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| 89 | <H2> |
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| 90 | <FONT SIZE="-1"> |
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| 91 | org.apache.hadoop.conf</FONT> |
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| 92 | <BR> |
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| 93 | Class Configuration</H2> |
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| 94 | <PRE> |
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| 95 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A> |
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| 96 | <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.hadoop.conf.Configuration</B> |
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| 97 | </PRE> |
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| 98 | <DL> |
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| 99 | <DT><B>All Implemented Interfaces:</B> <DD><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.Entry.html?is-external=true" title="class or interface in java.util">Map.Entry</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>,<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>>>, <A HREF="../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</A></DD> |
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| 100 | </DL> |
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| 101 | <DL> |
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| 102 | <DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A></DD> |
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| 103 | </DL> |
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| 104 | <HR> |
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| 105 | <DL> |
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| 106 | <DT><PRE>public class <B>Configuration</B><DT>extends <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A><DT>implements <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.Entry.html?is-external=true" title="class or interface in java.util">Map.Entry</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>,<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>>>, <A HREF="../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</A></DL> |
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| 107 | </PRE> |
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| 108 | |
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| 109 | <P> |
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| 110 | Provides access to configuration parameters. |
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| 111 | |
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| 112 | <h4 id="Resources">Resources</h4> |
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| 113 | |
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| 114 | <p>Configurations are specified by resources. A resource contains a set of |
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| 115 | name/value pairs as XML data. Each resource is named by either a |
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| 116 | <code>String</code> or by a <A HREF="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs"><CODE>Path</CODE></A>. If named by a <code>String</code>, |
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| 117 | then the classpath is examined for a file with that name. If named by a |
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| 118 | <code>Path</code>, then the local filesystem is examined directly, without |
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| 119 | referring to the classpath. |
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| 120 | |
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| 121 | <p>Unless explicitly turned off, Hadoop by default specifies two |
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| 122 | resources, loaded in-order from the classpath: <ol> |
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| 123 | <li><tt><a href="../../../../../core-default.html">core-default.xml</a> |
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| 124 | </tt>: Read-only defaults for hadoop.</li> |
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| 125 | <li><tt>core-site.xml</tt>: Site-specific configuration for a given hadoop |
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| 126 | installation.</li> |
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| 127 | </ol> |
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| 128 | Applications may add additional resources, which are loaded |
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| 129 | subsequent to these resources in the order they are added. |
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| 130 | |
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| 131 | <h4 id="FinalParams">Final Parameters</h4> |
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| 132 | |
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| 133 | <p>Configuration parameters may be declared <i>final</i>. |
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| 134 | Once a resource declares a value final, no subsequently-loaded |
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| 135 | resource can alter that value. |
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| 136 | For example, one might define a final parameter with: |
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| 137 | <tt><pre> |
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| 138 | <property> |
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| 139 | <name>dfs.client.buffer.dir</name> |
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| 140 | <value>/tmp/hadoop/dfs/client</value> |
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| 141 | <b><final>true</final></b> |
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| 142 | </property></pre></tt> |
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| 143 | |
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| 144 | Administrators typically define parameters as final in |
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| 145 | <tt>core-site.xml</tt> for values that user applications may not alter. |
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| 146 | |
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| 147 | <h4 id="VariableExpansion">Variable Expansion</h4> |
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| 148 | |
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| 149 | <p>Value strings are first processed for <i>variable expansion</i>. The |
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| 150 | available properties are:<ol> |
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| 151 | <li>Other properties defined in this Configuration; and, if a name is |
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| 152 | undefined here,</li> |
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| 153 | <li>Properties in <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/System.html?is-external=true#getProperties()" title="class or interface in java.lang"><CODE>System.getProperties()</CODE></A>.</li> |
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| 154 | </ol> |
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| 155 | |
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| 156 | <p>For example, if a configuration resource contains the following property |
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| 157 | definitions: |
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| 158 | <tt><pre> |
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| 159 | <property> |
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| 160 | <name>basedir</name> |
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| 161 | <value>/user/${<i>user.name</i>}</value> |
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| 162 | </property> |
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| 163 | |
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| 164 | <property> |
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| 165 | <name>tempdir</name> |
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| 166 | <value>${<i>basedir</i>}/tmp</value> |
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| 167 | </property></pre></tt> |
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| 168 | |
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| 169 | When <tt>conf.get("tempdir")</tt> is called, then <tt>${<i>basedir</i>}</tt> |
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| 170 | will be resolved to another property in this Configuration, while |
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| 171 | <tt>${<i>user.name</i>}</tt> would then ordinarily be resolved to the value |
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| 172 | of the System property with that name. |
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| 173 | <P> |
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| 174 | |
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| 175 | <P> |
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| 176 | <HR> |
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| 177 | |
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| 178 | <P> |
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| 179 | <!-- ======== NESTED CLASS SUMMARY ======== --> |
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| 180 | |
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| 181 | <A NAME="nested_class_summary"><!-- --></A> |
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| 182 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 183 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 184 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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| 185 | <B>Nested Class Summary</B></FONT></TH> |
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| 186 | </TR> |
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| 187 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 188 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 189 | <CODE>static class</CODE></FONT></TD> |
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| 190 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.IntegerRanges.html" title="class in org.apache.hadoop.conf">Configuration.IntegerRanges</A></B></CODE> |
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| 191 | |
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| 192 | <BR> |
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| 193 | A class that represents a set of positive integer ranges.</TD> |
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| 194 | </TR> |
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| 195 | </TABLE> |
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| 196 | |
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| 197 | <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
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| 198 | |
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| 199 | <A NAME="constructor_summary"><!-- --></A> |
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| 200 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 201 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 202 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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| 203 | <B>Constructor Summary</B></FONT></TH> |
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| 204 | </TR> |
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| 205 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 206 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#Configuration()">Configuration</A></B>()</CODE> |
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| 207 | |
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| 208 | <BR> |
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| 209 | A new configuration.</TD> |
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| 210 | </TR> |
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| 211 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 212 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#Configuration(boolean)">Configuration</A></B>(boolean loadDefaults)</CODE> |
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| 213 | |
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| 214 | <BR> |
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| 215 | A new configuration where the behavior of reading from the default |
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| 216 | resources can be turned off.</TD> |
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| 217 | </TR> |
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| 218 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 219 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#Configuration(org.apache.hadoop.conf.Configuration)">Configuration</A></B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> other)</CODE> |
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| 220 | |
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| 221 | <BR> |
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| 222 | A new configuration with the same settings cloned from another.</TD> |
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| 223 | </TR> |
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| 224 | </TABLE> |
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| 225 | |
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| 226 | <!-- ========== METHOD SUMMARY =========== --> |
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| 227 | |
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| 228 | <A NAME="method_summary"><!-- --></A> |
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| 229 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 230 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 231 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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| 232 | <B>Method Summary</B></FONT></TH> |
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| 233 | </TR> |
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| 234 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 235 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 236 | <CODE>static void</CODE></FONT></TD> |
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| 237 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#addDefaultResource(java.lang.String)">addDefaultResource</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name)</CODE> |
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| 238 | |
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| 239 | <BR> |
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| 240 | Add a default resource.</TD> |
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| 241 | </TR> |
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| 242 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 243 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 244 | <CODE> void</CODE></FONT></TD> |
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| 245 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#addResource(java.io.InputStream)">addResource</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</A> in)</CODE> |
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| 246 | |
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| 247 | <BR> |
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| 248 | Add a configuration resource.</TD> |
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| 249 | </TR> |
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| 250 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 251 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 252 | <CODE> void</CODE></FONT></TD> |
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| 253 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#addResource(org.apache.hadoop.fs.Path)">addResource</A></B>(<A HREF="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A> file)</CODE> |
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| 254 | |
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| 255 | <BR> |
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| 256 | Add a configuration resource.</TD> |
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| 257 | </TR> |
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| 258 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 259 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 260 | <CODE> void</CODE></FONT></TD> |
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| 261 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#addResource(java.lang.String)">addResource</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name)</CODE> |
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| 262 | |
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| 263 | <BR> |
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| 264 | Add a configuration resource.</TD> |
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| 265 | </TR> |
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| 266 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 267 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 268 | <CODE> void</CODE></FONT></TD> |
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| 269 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#addResource(java.net.URL)">addResource</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net">URL</A> url)</CODE> |
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| 270 | |
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| 271 | <BR> |
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| 272 | Add a configuration resource.</TD> |
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| 273 | </TR> |
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| 274 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 275 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 276 | <CODE> void</CODE></FONT></TD> |
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| 277 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#clear()">clear</A></B>()</CODE> |
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| 278 | |
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| 279 | <BR> |
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| 280 | Clears all keys from the configuration.</TD> |
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| 281 | </TR> |
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| 282 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 283 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 284 | <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD> |
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| 285 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#get(java.lang.String)">get</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name)</CODE> |
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| 286 | |
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| 287 | <BR> |
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| 288 | Get the value of the <code>name</code> property, <code>null</code> if |
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| 289 | no such property exists.</TD> |
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| 290 | </TR> |
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| 291 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 292 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 293 | <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD> |
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| 294 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#get(java.lang.String, java.lang.String)">get</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name, |
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| 295 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> defaultValue)</CODE> |
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| 296 | |
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| 297 | <BR> |
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| 298 | Get the value of the <code>name</code> property.</TD> |
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| 299 | </TR> |
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| 300 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 301 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 302 | <CODE> boolean</CODE></FONT></TD> |
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| 303 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#getBoolean(java.lang.String, boolean)">getBoolean</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name, |
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| 304 | boolean defaultValue)</CODE> |
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| 305 | |
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| 306 | <BR> |
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| 307 | Get the value of the <code>name</code> property as a <code>boolean</code>.</TD> |
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| 308 | </TR> |
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| 309 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 310 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 311 | <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><?></CODE></FONT></TD> |
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| 312 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#getClass(java.lang.String, java.lang.Class)">getClass</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name, |
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| 313 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><?> defaultValue)</CODE> |
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| 314 | |
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| 315 | <BR> |
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| 316 | Get the value of the <code>name</code> property as a <code>Class</code>.</TD> |
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| 317 | </TR> |
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| 318 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 319 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 320 | <CODE> |
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| 321 | <TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" SUMMARY=""> |
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| 322 | <TR ALIGN="right" VALIGN=""> |
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| 323 | <TD NOWRAP><FONT SIZE="-1"> |
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| 324 | <CODE><U> <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><? extends U></CODE></FONT></TD> |
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| 325 | </TR> |
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| 326 | </TABLE> |
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| 327 | </CODE></FONT></TD> |
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| 328 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#getClass(java.lang.String, java.lang.Class, java.lang.Class)">getClass</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name, |
---|
| 329 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><? extends U> defaultValue, |
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| 330 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><U> xface)</CODE> |
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| 331 | |
---|
| 332 | <BR> |
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| 333 | Get the value of the <code>name</code> property as a <code>Class</code> |
---|
| 334 | implementing the interface specified by <code>xface</code>.</TD> |
---|
| 335 | </TR> |
---|
| 336 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 337 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 338 | <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><?></CODE></FONT></TD> |
---|
| 339 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#getClassByName(java.lang.String)">getClassByName</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name)</CODE> |
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| 340 | |
---|
| 341 | <BR> |
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| 342 | Load a class by name.</TD> |
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| 343 | </TR> |
---|
| 344 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 345 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 346 | <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><?>[]</CODE></FONT></TD> |
---|
| 347 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#getClasses(java.lang.String, java.lang.Class...)">getClasses</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name, |
---|
| 348 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><?>... defaultValue)</CODE> |
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| 349 | |
---|
| 350 | <BR> |
---|
| 351 | Get the value of the <code>name</code> property |
---|
| 352 | as an array of <code>Class</code>.</TD> |
---|
| 353 | </TR> |
---|
| 354 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 355 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 356 | <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/ClassLoader.html?is-external=true" title="class or interface in java.lang">ClassLoader</A></CODE></FONT></TD> |
---|
| 357 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#getClassLoader()">getClassLoader</A></B>()</CODE> |
---|
| 358 | |
---|
| 359 | <BR> |
---|
| 360 | Get the <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/ClassLoader.html?is-external=true" title="class or interface in java.lang"><CODE>ClassLoader</CODE></A> for this job.</TD> |
---|
| 361 | </TR> |
---|
| 362 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 363 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 364 | <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</A></CODE></FONT></TD> |
---|
| 365 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#getConfResourceAsInputStream(java.lang.String)">getConfResourceAsInputStream</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name)</CODE> |
---|
| 366 | |
---|
| 367 | <BR> |
---|
| 368 | Get an input stream attached to the configuration resource with the |
---|
| 369 | given <code>name</code>.</TD> |
---|
| 370 | </TR> |
---|
| 371 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 372 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 373 | <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/io/Reader.html?is-external=true" title="class or interface in java.io">Reader</A></CODE></FONT></TD> |
---|
| 374 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#getConfResourceAsReader(java.lang.String)">getConfResourceAsReader</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name)</CODE> |
---|
| 375 | |
---|
| 376 | <BR> |
---|
| 377 | Get a <A HREF="http://java.sun.com/javase/6/docs/api/java/io/Reader.html?is-external=true" title="class or interface in java.io"><CODE>Reader</CODE></A> attached to the configuration resource with the |
---|
| 378 | given <code>name</code>.</TD> |
---|
| 379 | </TR> |
---|
| 380 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 381 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 382 | <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A></CODE></FONT></TD> |
---|
| 383 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#getFile(java.lang.String, java.lang.String)">getFile</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> dirsProp, |
---|
| 384 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> path)</CODE> |
---|
| 385 | |
---|
| 386 | <BR> |
---|
| 387 | Get a local file name under a directory named in <i>dirsProp</i> with |
---|
| 388 | the given <i>path</i>.</TD> |
---|
| 389 | </TR> |
---|
| 390 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 391 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 392 | <CODE> float</CODE></FONT></TD> |
---|
| 393 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#getFloat(java.lang.String, float)">getFloat</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name, |
---|
| 394 | float defaultValue)</CODE> |
---|
| 395 | |
---|
| 396 | <BR> |
---|
| 397 | Get the value of the <code>name</code> property as a <code>float</code>.</TD> |
---|
| 398 | </TR> |
---|
| 399 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 400 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 401 | <CODE> int</CODE></FONT></TD> |
---|
| 402 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#getInt(java.lang.String, int)">getInt</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name, |
---|
| 403 | int defaultValue)</CODE> |
---|
| 404 | |
---|
| 405 | <BR> |
---|
| 406 | Get the value of the <code>name</code> property as an <code>int</code>.</TD> |
---|
| 407 | </TR> |
---|
| 408 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 409 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 410 | <CODE> <A HREF="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A></CODE></FONT></TD> |
---|
| 411 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#getLocalPath(java.lang.String, java.lang.String)">getLocalPath</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> dirsProp, |
---|
| 412 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> path)</CODE> |
---|
| 413 | |
---|
| 414 | <BR> |
---|
| 415 | Get a local file under a directory named by <i>dirsProp</i> with |
---|
| 416 | the given <i>path</i>.</TD> |
---|
| 417 | </TR> |
---|
| 418 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 419 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 420 | <CODE> long</CODE></FONT></TD> |
---|
| 421 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#getLong(java.lang.String, long)">getLong</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name, |
---|
| 422 | long defaultValue)</CODE> |
---|
| 423 | |
---|
| 424 | <BR> |
---|
| 425 | Get the value of the <code>name</code> property as a <code>long</code>.</TD> |
---|
| 426 | </TR> |
---|
| 427 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 428 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 429 | <CODE> <A HREF="../../../../org/apache/hadoop/conf/Configuration.IntegerRanges.html" title="class in org.apache.hadoop.conf">Configuration.IntegerRanges</A></CODE></FONT></TD> |
---|
| 430 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#getRange(java.lang.String, java.lang.String)">getRange</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name, |
---|
| 431 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> defaultValue)</CODE> |
---|
| 432 | |
---|
| 433 | <BR> |
---|
| 434 | Parse the given attribute as a set of integer ranges</TD> |
---|
| 435 | </TR> |
---|
| 436 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 437 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 438 | <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD> |
---|
| 439 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#getRaw(java.lang.String)">getRaw</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name)</CODE> |
---|
| 440 | |
---|
| 441 | <BR> |
---|
| 442 | Get the value of the <code>name</code> property, without doing |
---|
| 443 | <a href="#VariableExpansion">variable expansion</a>.</TD> |
---|
| 444 | </TR> |
---|
| 445 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 446 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 447 | <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net">URL</A></CODE></FONT></TD> |
---|
| 448 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#getResource(java.lang.String)">getResource</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name)</CODE> |
---|
| 449 | |
---|
| 450 | <BR> |
---|
| 451 | Get the <A HREF="http://java.sun.com/javase/6/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net"><CODE>URL</CODE></A> for the named resource.</TD> |
---|
| 452 | </TR> |
---|
| 453 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 454 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 455 | <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>></CODE></FONT></TD> |
---|
| 456 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#getStringCollection(java.lang.String)">getStringCollection</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name)</CODE> |
---|
| 457 | |
---|
| 458 | <BR> |
---|
| 459 | Get the comma delimited values of the <code>name</code> property as |
---|
| 460 | a collection of <code>String</code>s.</TD> |
---|
| 461 | </TR> |
---|
| 462 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 463 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 464 | <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>[]</CODE></FONT></TD> |
---|
| 465 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#getStrings(java.lang.String)">getStrings</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name)</CODE> |
---|
| 466 | |
---|
| 467 | <BR> |
---|
| 468 | Get the comma delimited values of the <code>name</code> property as |
---|
| 469 | an array of <code>String</code>s.</TD> |
---|
| 470 | </TR> |
---|
| 471 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 472 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 473 | <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>[]</CODE></FONT></TD> |
---|
| 474 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#getStrings(java.lang.String, java.lang.String...)">getStrings</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name, |
---|
| 475 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>... defaultValue)</CODE> |
---|
| 476 | |
---|
| 477 | <BR> |
---|
| 478 | Get the comma delimited values of the <code>name</code> property as |
---|
| 479 | an array of <code>String</code>s.</TD> |
---|
| 480 | </TR> |
---|
| 481 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 482 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 483 | <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.Entry.html?is-external=true" title="class or interface in java.util">Map.Entry</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>,<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>>></CODE></FONT></TD> |
---|
| 484 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#iterator()">iterator</A></B>()</CODE> |
---|
| 485 | |
---|
| 486 | <BR> |
---|
| 487 | Get an <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util"><CODE>Iterator</CODE></A> to go through the list of <code>String</code> |
---|
| 488 | key-value pairs in the configuration.</TD> |
---|
| 489 | </TR> |
---|
| 490 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 491 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 492 | <CODE>static void</CODE></FONT></TD> |
---|
| 493 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#main(java.lang.String[])">main</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>[] args)</CODE> |
---|
| 494 | |
---|
| 495 | <BR> |
---|
| 496 | For debugging.</TD> |
---|
| 497 | </TR> |
---|
| 498 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 499 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 500 | <CODE> void</CODE></FONT></TD> |
---|
| 501 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#readFields(java.io.DataInput)">readFields</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</A> in)</CODE> |
---|
| 502 | |
---|
| 503 | <BR> |
---|
| 504 | Deserialize the fields of this object from <code>in</code>.</TD> |
---|
| 505 | </TR> |
---|
| 506 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 507 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 508 | <CODE> void</CODE></FONT></TD> |
---|
| 509 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#reloadConfiguration()">reloadConfiguration</A></B>()</CODE> |
---|
| 510 | |
---|
| 511 | <BR> |
---|
| 512 | Reload configuration from previously added resources.</TD> |
---|
| 513 | </TR> |
---|
| 514 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 515 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 516 | <CODE> void</CODE></FONT></TD> |
---|
| 517 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#set(java.lang.String, java.lang.String)">set</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name, |
---|
| 518 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> value)</CODE> |
---|
| 519 | |
---|
| 520 | <BR> |
---|
| 521 | Set the <code>value</code> of the <code>name</code> property.</TD> |
---|
| 522 | </TR> |
---|
| 523 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 524 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 525 | <CODE> void</CODE></FONT></TD> |
---|
| 526 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#setBoolean(java.lang.String, boolean)">setBoolean</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name, |
---|
| 527 | boolean value)</CODE> |
---|
| 528 | |
---|
| 529 | <BR> |
---|
| 530 | Set the value of the <code>name</code> property to a <code>boolean</code>.</TD> |
---|
| 531 | </TR> |
---|
| 532 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 533 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 534 | <CODE> void</CODE></FONT></TD> |
---|
| 535 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#setBooleanIfUnset(java.lang.String, boolean)">setBooleanIfUnset</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name, |
---|
| 536 | boolean value)</CODE> |
---|
| 537 | |
---|
| 538 | <BR> |
---|
| 539 | Set the given property, if it is currently unset.</TD> |
---|
| 540 | </TR> |
---|
| 541 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 542 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 543 | <CODE> void</CODE></FONT></TD> |
---|
| 544 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#setClass(java.lang.String, java.lang.Class, java.lang.Class)">setClass</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name, |
---|
| 545 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><?> theClass, |
---|
| 546 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><?> xface)</CODE> |
---|
| 547 | |
---|
| 548 | <BR> |
---|
| 549 | Set the value of the <code>name</code> property to the name of a |
---|
| 550 | <code>theClass</code> implementing the given interface <code>xface</code>.</TD> |
---|
| 551 | </TR> |
---|
| 552 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 553 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 554 | <CODE> void</CODE></FONT></TD> |
---|
| 555 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#setClassLoader(java.lang.ClassLoader)">setClassLoader</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/ClassLoader.html?is-external=true" title="class or interface in java.lang">ClassLoader</A> classLoader)</CODE> |
---|
| 556 | |
---|
| 557 | <BR> |
---|
| 558 | Set the class loader that will be used to load the various objects.</TD> |
---|
| 559 | </TR> |
---|
| 560 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 561 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 562 | <CODE> void</CODE></FONT></TD> |
---|
| 563 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#setFloat(java.lang.String, float)">setFloat</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name, |
---|
| 564 | float value)</CODE> |
---|
| 565 | |
---|
| 566 | <BR> |
---|
| 567 | Set the value of the <code>name</code> property to a <code>float</code>.</TD> |
---|
| 568 | </TR> |
---|
| 569 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 570 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 571 | <CODE> void</CODE></FONT></TD> |
---|
| 572 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#setIfUnset(java.lang.String, java.lang.String)">setIfUnset</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name, |
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| 573 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> value)</CODE> |
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| 574 | |
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| 575 | <BR> |
---|
| 576 | Sets a property if it is currently unset.</TD> |
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| 577 | </TR> |
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| 578 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 579 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 580 | <CODE> void</CODE></FONT></TD> |
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| 581 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#setInt(java.lang.String, int)">setInt</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name, |
---|
| 582 | int value)</CODE> |
---|
| 583 | |
---|
| 584 | <BR> |
---|
| 585 | Set the value of the <code>name</code> property to an <code>int</code>.</TD> |
---|
| 586 | </TR> |
---|
| 587 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 588 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 589 | <CODE> void</CODE></FONT></TD> |
---|
| 590 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#setLong(java.lang.String, long)">setLong</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name, |
---|
| 591 | long value)</CODE> |
---|
| 592 | |
---|
| 593 | <BR> |
---|
| 594 | Set the value of the <code>name</code> property to a <code>long</code>.</TD> |
---|
| 595 | </TR> |
---|
| 596 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 597 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 598 | <CODE> void</CODE></FONT></TD> |
---|
| 599 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#setQuietMode(boolean)">setQuietMode</A></B>(boolean quietmode)</CODE> |
---|
| 600 | |
---|
| 601 | <BR> |
---|
| 602 | Set the quietness-mode.</TD> |
---|
| 603 | </TR> |
---|
| 604 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 605 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 606 | <CODE> void</CODE></FONT></TD> |
---|
| 607 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#setStrings(java.lang.String, java.lang.String...)">setStrings</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name, |
---|
| 608 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>... values)</CODE> |
---|
| 609 | |
---|
| 610 | <BR> |
---|
| 611 | Set the array of string values for the <code>name</code> property as |
---|
| 612 | as comma delimited values.</TD> |
---|
| 613 | </TR> |
---|
| 614 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 615 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 616 | <CODE> int</CODE></FONT></TD> |
---|
| 617 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#size()">size</A></B>()</CODE> |
---|
| 618 | |
---|
| 619 | <BR> |
---|
| 620 | Return the number of keys in the configuration.</TD> |
---|
| 621 | </TR> |
---|
| 622 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 623 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 624 | <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD> |
---|
| 625 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#toString()">toString</A></B>()</CODE> |
---|
| 626 | |
---|
| 627 | <BR> |
---|
| 628 | </TD> |
---|
| 629 | </TR> |
---|
| 630 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 631 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 632 | <CODE> void</CODE></FONT></TD> |
---|
| 633 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#write(java.io.DataOutput)">write</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io">DataOutput</A> out)</CODE> |
---|
| 634 | |
---|
| 635 | <BR> |
---|
| 636 | Serialize the fields of this object to <code>out</code>.</TD> |
---|
| 637 | </TR> |
---|
| 638 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 639 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 640 | <CODE> void</CODE></FONT></TD> |
---|
| 641 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/conf/Configuration.html#writeXml(java.io.OutputStream)">writeXml</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</A> out)</CODE> |
---|
| 642 | |
---|
| 643 | <BR> |
---|
| 644 | Write out the non-default properties in this configuration to the give |
---|
| 645 | <A HREF="http://java.sun.com/javase/6/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io"><CODE>OutputStream</CODE></A>.</TD> |
---|
| 646 | </TR> |
---|
| 647 | </TABLE> |
---|
| 648 | <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A> |
---|
| 649 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
---|
| 650 | <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> |
---|
| 651 | <TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH> |
---|
| 652 | </TR> |
---|
| 653 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 654 | <TD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD> |
---|
| 655 | </TR> |
---|
| 656 | </TABLE> |
---|
| 657 | |
---|
| 658 | <P> |
---|
| 659 | |
---|
| 660 | <!-- ========= CONSTRUCTOR DETAIL ======== --> |
---|
| 661 | |
---|
| 662 | <A NAME="constructor_detail"><!-- --></A> |
---|
| 663 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
---|
| 664 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
---|
| 665 | <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
---|
| 666 | <B>Constructor Detail</B></FONT></TH> |
---|
| 667 | </TR> |
---|
| 668 | </TABLE> |
---|
| 669 | |
---|
| 670 | <A NAME="Configuration()"><!-- --></A><H3> |
---|
| 671 | Configuration</H3> |
---|
| 672 | <PRE> |
---|
| 673 | public <B>Configuration</B>()</PRE> |
---|
| 674 | <DL> |
---|
| 675 | <DD>A new configuration. |
---|
| 676 | <P> |
---|
| 677 | </DL> |
---|
| 678 | <HR> |
---|
| 679 | |
---|
| 680 | <A NAME="Configuration(boolean)"><!-- --></A><H3> |
---|
| 681 | Configuration</H3> |
---|
| 682 | <PRE> |
---|
| 683 | public <B>Configuration</B>(boolean loadDefaults)</PRE> |
---|
| 684 | <DL> |
---|
| 685 | <DD>A new configuration where the behavior of reading from the default |
---|
| 686 | resources can be turned off. |
---|
| 687 | |
---|
| 688 | If the parameter <code>loadDefaults</code> is false, the new instance |
---|
| 689 | will not load resources from the default files. |
---|
| 690 | <P> |
---|
| 691 | <DL> |
---|
| 692 | <DT><B>Parameters:</B><DD><CODE>loadDefaults</CODE> - specifies whether to load from the default files</DL> |
---|
| 693 | </DL> |
---|
| 694 | <HR> |
---|
| 695 | |
---|
| 696 | <A NAME="Configuration(org.apache.hadoop.conf.Configuration)"><!-- --></A><H3> |
---|
| 697 | Configuration</H3> |
---|
| 698 | <PRE> |
---|
| 699 | public <B>Configuration</B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> other)</PRE> |
---|
| 700 | <DL> |
---|
| 701 | <DD>A new configuration with the same settings cloned from another. |
---|
| 702 | <P> |
---|
| 703 | <DL> |
---|
| 704 | <DT><B>Parameters:</B><DD><CODE>other</CODE> - the configuration from which to clone settings.</DL> |
---|
| 705 | </DL> |
---|
| 706 | |
---|
| 707 | <!-- ============ METHOD DETAIL ========== --> |
---|
| 708 | |
---|
| 709 | <A NAME="method_detail"><!-- --></A> |
---|
| 710 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
---|
| 711 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
---|
| 712 | <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
---|
| 713 | <B>Method Detail</B></FONT></TH> |
---|
| 714 | </TR> |
---|
| 715 | </TABLE> |
---|
| 716 | |
---|
| 717 | <A NAME="addDefaultResource(java.lang.String)"><!-- --></A><H3> |
---|
| 718 | addDefaultResource</H3> |
---|
| 719 | <PRE> |
---|
| 720 | public static void <B>addDefaultResource</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name)</PRE> |
---|
| 721 | <DL> |
---|
| 722 | <DD>Add a default resource. Resources are loaded in the order of the resources |
---|
| 723 | added. |
---|
| 724 | <P> |
---|
| 725 | <DD><DL> |
---|
| 726 | </DL> |
---|
| 727 | </DD> |
---|
| 728 | <DD><DL> |
---|
| 729 | <DT><B>Parameters:</B><DD><CODE>name</CODE> - file name. File should be present in the classpath.</DL> |
---|
| 730 | </DD> |
---|
| 731 | </DL> |
---|
| 732 | <HR> |
---|
| 733 | |
---|
| 734 | <A NAME="addResource(java.lang.String)"><!-- --></A><H3> |
---|
| 735 | addResource</H3> |
---|
| 736 | <PRE> |
---|
| 737 | public void <B>addResource</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name)</PRE> |
---|
| 738 | <DL> |
---|
| 739 | <DD>Add a configuration resource. |
---|
| 740 | |
---|
| 741 | The properties of this resource will override properties of previously |
---|
| 742 | added resources, unless they were marked <a href="#Final">final</a>. |
---|
| 743 | <P> |
---|
| 744 | <DD><DL> |
---|
| 745 | </DL> |
---|
| 746 | </DD> |
---|
| 747 | <DD><DL> |
---|
| 748 | <DT><B>Parameters:</B><DD><CODE>name</CODE> - resource to be added, the classpath is examined for a file |
---|
| 749 | with that name.</DL> |
---|
| 750 | </DD> |
---|
| 751 | </DL> |
---|
| 752 | <HR> |
---|
| 753 | |
---|
| 754 | <A NAME="addResource(java.net.URL)"><!-- --></A><H3> |
---|
| 755 | addResource</H3> |
---|
| 756 | <PRE> |
---|
| 757 | public void <B>addResource</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net">URL</A> url)</PRE> |
---|
| 758 | <DL> |
---|
| 759 | <DD>Add a configuration resource. |
---|
| 760 | |
---|
| 761 | The properties of this resource will override properties of previously |
---|
| 762 | added resources, unless they were marked <a href="#Final">final</a>. |
---|
| 763 | <P> |
---|
| 764 | <DD><DL> |
---|
| 765 | </DL> |
---|
| 766 | </DD> |
---|
| 767 | <DD><DL> |
---|
| 768 | <DT><B>Parameters:</B><DD><CODE>url</CODE> - url of the resource to be added, the local filesystem is |
---|
| 769 | examined directly to find the resource, without referring to |
---|
| 770 | the classpath.</DL> |
---|
| 771 | </DD> |
---|
| 772 | </DL> |
---|
| 773 | <HR> |
---|
| 774 | |
---|
| 775 | <A NAME="addResource(org.apache.hadoop.fs.Path)"><!-- --></A><H3> |
---|
| 776 | addResource</H3> |
---|
| 777 | <PRE> |
---|
| 778 | public void <B>addResource</B>(<A HREF="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A> file)</PRE> |
---|
| 779 | <DL> |
---|
| 780 | <DD>Add a configuration resource. |
---|
| 781 | |
---|
| 782 | The properties of this resource will override properties of previously |
---|
| 783 | added resources, unless they were marked <a href="#Final">final</a>. |
---|
| 784 | <P> |
---|
| 785 | <DD><DL> |
---|
| 786 | </DL> |
---|
| 787 | </DD> |
---|
| 788 | <DD><DL> |
---|
| 789 | <DT><B>Parameters:</B><DD><CODE>file</CODE> - file-path of resource to be added, the local filesystem is |
---|
| 790 | examined directly to find the resource, without referring to |
---|
| 791 | the classpath.</DL> |
---|
| 792 | </DD> |
---|
| 793 | </DL> |
---|
| 794 | <HR> |
---|
| 795 | |
---|
| 796 | <A NAME="addResource(java.io.InputStream)"><!-- --></A><H3> |
---|
| 797 | addResource</H3> |
---|
| 798 | <PRE> |
---|
| 799 | public void <B>addResource</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</A> in)</PRE> |
---|
| 800 | <DL> |
---|
| 801 | <DD>Add a configuration resource. |
---|
| 802 | |
---|
| 803 | The properties of this resource will override properties of previously |
---|
| 804 | added resources, unless they were marked <a href="#Final">final</a>. |
---|
| 805 | <P> |
---|
| 806 | <DD><DL> |
---|
| 807 | </DL> |
---|
| 808 | </DD> |
---|
| 809 | <DD><DL> |
---|
| 810 | <DT><B>Parameters:</B><DD><CODE>in</CODE> - InputStream to deserialize the object from.</DL> |
---|
| 811 | </DD> |
---|
| 812 | </DL> |
---|
| 813 | <HR> |
---|
| 814 | |
---|
| 815 | <A NAME="reloadConfiguration()"><!-- --></A><H3> |
---|
| 816 | reloadConfiguration</H3> |
---|
| 817 | <PRE> |
---|
| 818 | public void <B>reloadConfiguration</B>()</PRE> |
---|
| 819 | <DL> |
---|
| 820 | <DD>Reload configuration from previously added resources. |
---|
| 821 | |
---|
| 822 | This method will clear all the configuration read from the added |
---|
| 823 | resources, and final parameters. This will make the resources to |
---|
| 824 | be read again before accessing the values. Values that are added |
---|
| 825 | via set methods will overlay values read from the resources. |
---|
| 826 | <P> |
---|
| 827 | <DD><DL> |
---|
| 828 | </DL> |
---|
| 829 | </DD> |
---|
| 830 | <DD><DL> |
---|
| 831 | </DL> |
---|
| 832 | </DD> |
---|
| 833 | </DL> |
---|
| 834 | <HR> |
---|
| 835 | |
---|
| 836 | <A NAME="get(java.lang.String)"><!-- --></A><H3> |
---|
| 837 | get</H3> |
---|
| 838 | <PRE> |
---|
| 839 | public <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>get</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name)</PRE> |
---|
| 840 | <DL> |
---|
| 841 | <DD>Get the value of the <code>name</code> property, <code>null</code> if |
---|
| 842 | no such property exists. |
---|
| 843 | |
---|
| 844 | Values are processed for <a href="#VariableExpansion">variable expansion</a> |
---|
| 845 | before being returned. |
---|
| 846 | <P> |
---|
| 847 | <DD><DL> |
---|
| 848 | </DL> |
---|
| 849 | </DD> |
---|
| 850 | <DD><DL> |
---|
| 851 | <DT><B>Parameters:</B><DD><CODE>name</CODE> - the property name. |
---|
| 852 | <DT><B>Returns:</B><DD>the value of the <code>name</code> property, |
---|
| 853 | or null if no such property exists.</DL> |
---|
| 854 | </DD> |
---|
| 855 | </DL> |
---|
| 856 | <HR> |
---|
| 857 | |
---|
| 858 | <A NAME="getRaw(java.lang.String)"><!-- --></A><H3> |
---|
| 859 | getRaw</H3> |
---|
| 860 | <PRE> |
---|
| 861 | public <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>getRaw</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name)</PRE> |
---|
| 862 | <DL> |
---|
| 863 | <DD>Get the value of the <code>name</code> property, without doing |
---|
| 864 | <a href="#VariableExpansion">variable expansion</a>. |
---|
| 865 | <P> |
---|
| 866 | <DD><DL> |
---|
| 867 | </DL> |
---|
| 868 | </DD> |
---|
| 869 | <DD><DL> |
---|
| 870 | <DT><B>Parameters:</B><DD><CODE>name</CODE> - the property name. |
---|
| 871 | <DT><B>Returns:</B><DD>the value of the <code>name</code> property, |
---|
| 872 | or null if no such property exists.</DL> |
---|
| 873 | </DD> |
---|
| 874 | </DL> |
---|
| 875 | <HR> |
---|
| 876 | |
---|
| 877 | <A NAME="set(java.lang.String, java.lang.String)"><!-- --></A><H3> |
---|
| 878 | set</H3> |
---|
| 879 | <PRE> |
---|
| 880 | public void <B>set</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name, |
---|
| 881 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> value)</PRE> |
---|
| 882 | <DL> |
---|
| 883 | <DD>Set the <code>value</code> of the <code>name</code> property. |
---|
| 884 | <P> |
---|
| 885 | <DD><DL> |
---|
| 886 | </DL> |
---|
| 887 | </DD> |
---|
| 888 | <DD><DL> |
---|
| 889 | <DT><B>Parameters:</B><DD><CODE>name</CODE> - property name.<DD><CODE>value</CODE> - property value.</DL> |
---|
| 890 | </DD> |
---|
| 891 | </DL> |
---|
| 892 | <HR> |
---|
| 893 | |
---|
| 894 | <A NAME="setIfUnset(java.lang.String, java.lang.String)"><!-- --></A><H3> |
---|
| 895 | setIfUnset</H3> |
---|
| 896 | <PRE> |
---|
| 897 | public void <B>setIfUnset</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name, |
---|
| 898 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> value)</PRE> |
---|
| 899 | <DL> |
---|
| 900 | <DD>Sets a property if it is currently unset. |
---|
| 901 | <P> |
---|
| 902 | <DD><DL> |
---|
| 903 | </DL> |
---|
| 904 | </DD> |
---|
| 905 | <DD><DL> |
---|
| 906 | <DT><B>Parameters:</B><DD><CODE>name</CODE> - the property name<DD><CODE>value</CODE> - the new value</DL> |
---|
| 907 | </DD> |
---|
| 908 | </DL> |
---|
| 909 | <HR> |
---|
| 910 | |
---|
| 911 | <A NAME="get(java.lang.String, java.lang.String)"><!-- --></A><H3> |
---|
| 912 | get</H3> |
---|
| 913 | <PRE> |
---|
| 914 | public <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>get</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name, |
---|
| 915 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> defaultValue)</PRE> |
---|
| 916 | <DL> |
---|
| 917 | <DD>Get the value of the <code>name</code> property. If no such property |
---|
| 918 | exists, then <code>defaultValue</code> is returned. |
---|
| 919 | <P> |
---|
| 920 | <DD><DL> |
---|
| 921 | </DL> |
---|
| 922 | </DD> |
---|
| 923 | <DD><DL> |
---|
| 924 | <DT><B>Parameters:</B><DD><CODE>name</CODE> - property name.<DD><CODE>defaultValue</CODE> - default value. |
---|
| 925 | <DT><B>Returns:</B><DD>property value, or <code>defaultValue</code> if the property |
---|
| 926 | doesn't exist.</DL> |
---|
| 927 | </DD> |
---|
| 928 | </DL> |
---|
| 929 | <HR> |
---|
| 930 | |
---|
| 931 | <A NAME="getInt(java.lang.String, int)"><!-- --></A><H3> |
---|
| 932 | getInt</H3> |
---|
| 933 | <PRE> |
---|
| 934 | public int <B>getInt</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name, |
---|
| 935 | int defaultValue)</PRE> |
---|
| 936 | <DL> |
---|
| 937 | <DD>Get the value of the <code>name</code> property as an <code>int</code>. |
---|
| 938 | |
---|
| 939 | If no such property exists, or if the specified value is not a valid |
---|
| 940 | <code>int</code>, then <code>defaultValue</code> is returned. |
---|
| 941 | <P> |
---|
| 942 | <DD><DL> |
---|
| 943 | </DL> |
---|
| 944 | </DD> |
---|
| 945 | <DD><DL> |
---|
| 946 | <DT><B>Parameters:</B><DD><CODE>name</CODE> - property name.<DD><CODE>defaultValue</CODE> - default value. |
---|
| 947 | <DT><B>Returns:</B><DD>property value as an <code>int</code>, |
---|
| 948 | or <code>defaultValue</code>.</DL> |
---|
| 949 | </DD> |
---|
| 950 | </DL> |
---|
| 951 | <HR> |
---|
| 952 | |
---|
| 953 | <A NAME="setInt(java.lang.String, int)"><!-- --></A><H3> |
---|
| 954 | setInt</H3> |
---|
| 955 | <PRE> |
---|
| 956 | public void <B>setInt</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name, |
---|
| 957 | int value)</PRE> |
---|
| 958 | <DL> |
---|
| 959 | <DD>Set the value of the <code>name</code> property to an <code>int</code>. |
---|
| 960 | <P> |
---|
| 961 | <DD><DL> |
---|
| 962 | </DL> |
---|
| 963 | </DD> |
---|
| 964 | <DD><DL> |
---|
| 965 | <DT><B>Parameters:</B><DD><CODE>name</CODE> - property name.<DD><CODE>value</CODE> - <code>int</code> value of the property.</DL> |
---|
| 966 | </DD> |
---|
| 967 | </DL> |
---|
| 968 | <HR> |
---|
| 969 | |
---|
| 970 | <A NAME="getLong(java.lang.String, long)"><!-- --></A><H3> |
---|
| 971 | getLong</H3> |
---|
| 972 | <PRE> |
---|
| 973 | public long <B>getLong</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name, |
---|
| 974 | long defaultValue)</PRE> |
---|
| 975 | <DL> |
---|
| 976 | <DD>Get the value of the <code>name</code> property as a <code>long</code>. |
---|
| 977 | If no such property is specified, or if the specified value is not a valid |
---|
| 978 | <code>long</code>, then <code>defaultValue</code> is returned. |
---|
| 979 | <P> |
---|
| 980 | <DD><DL> |
---|
| 981 | </DL> |
---|
| 982 | </DD> |
---|
| 983 | <DD><DL> |
---|
| 984 | <DT><B>Parameters:</B><DD><CODE>name</CODE> - property name.<DD><CODE>defaultValue</CODE> - default value. |
---|
| 985 | <DT><B>Returns:</B><DD>property value as a <code>long</code>, |
---|
| 986 | or <code>defaultValue</code>.</DL> |
---|
| 987 | </DD> |
---|
| 988 | </DL> |
---|
| 989 | <HR> |
---|
| 990 | |
---|
| 991 | <A NAME="setLong(java.lang.String, long)"><!-- --></A><H3> |
---|
| 992 | setLong</H3> |
---|
| 993 | <PRE> |
---|
| 994 | public void <B>setLong</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name, |
---|
| 995 | long value)</PRE> |
---|
| 996 | <DL> |
---|
| 997 | <DD>Set the value of the <code>name</code> property to a <code>long</code>. |
---|
| 998 | <P> |
---|
| 999 | <DD><DL> |
---|
| 1000 | </DL> |
---|
| 1001 | </DD> |
---|
| 1002 | <DD><DL> |
---|
| 1003 | <DT><B>Parameters:</B><DD><CODE>name</CODE> - property name.<DD><CODE>value</CODE> - <code>long</code> value of the property.</DL> |
---|
| 1004 | </DD> |
---|
| 1005 | </DL> |
---|
| 1006 | <HR> |
---|
| 1007 | |
---|
| 1008 | <A NAME="getFloat(java.lang.String, float)"><!-- --></A><H3> |
---|
| 1009 | getFloat</H3> |
---|
| 1010 | <PRE> |
---|
| 1011 | public float <B>getFloat</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name, |
---|
| 1012 | float defaultValue)</PRE> |
---|
| 1013 | <DL> |
---|
| 1014 | <DD>Get the value of the <code>name</code> property as a <code>float</code>. |
---|
| 1015 | If no such property is specified, or if the specified value is not a valid |
---|
| 1016 | <code>float</code>, then <code>defaultValue</code> is returned. |
---|
| 1017 | <P> |
---|
| 1018 | <DD><DL> |
---|
| 1019 | </DL> |
---|
| 1020 | </DD> |
---|
| 1021 | <DD><DL> |
---|
| 1022 | <DT><B>Parameters:</B><DD><CODE>name</CODE> - property name.<DD><CODE>defaultValue</CODE> - default value. |
---|
| 1023 | <DT><B>Returns:</B><DD>property value as a <code>float</code>, |
---|
| 1024 | or <code>defaultValue</code>.</DL> |
---|
| 1025 | </DD> |
---|
| 1026 | </DL> |
---|
| 1027 | <HR> |
---|
| 1028 | |
---|
| 1029 | <A NAME="setFloat(java.lang.String, float)"><!-- --></A><H3> |
---|
| 1030 | setFloat</H3> |
---|
| 1031 | <PRE> |
---|
| 1032 | public void <B>setFloat</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name, |
---|
| 1033 | float value)</PRE> |
---|
| 1034 | <DL> |
---|
| 1035 | <DD>Set the value of the <code>name</code> property to a <code>float</code>. |
---|
| 1036 | <P> |
---|
| 1037 | <DD><DL> |
---|
| 1038 | </DL> |
---|
| 1039 | </DD> |
---|
| 1040 | <DD><DL> |
---|
| 1041 | <DT><B>Parameters:</B><DD><CODE>name</CODE> - property name.<DD><CODE>value</CODE> - property value.</DL> |
---|
| 1042 | </DD> |
---|
| 1043 | </DL> |
---|
| 1044 | <HR> |
---|
| 1045 | |
---|
| 1046 | <A NAME="getBoolean(java.lang.String, boolean)"><!-- --></A><H3> |
---|
| 1047 | getBoolean</H3> |
---|
| 1048 | <PRE> |
---|
| 1049 | public boolean <B>getBoolean</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name, |
---|
| 1050 | boolean defaultValue)</PRE> |
---|
| 1051 | <DL> |
---|
| 1052 | <DD>Get the value of the <code>name</code> property as a <code>boolean</code>. |
---|
| 1053 | If no such property is specified, or if the specified value is not a valid |
---|
| 1054 | <code>boolean</code>, then <code>defaultValue</code> is returned. |
---|
| 1055 | <P> |
---|
| 1056 | <DD><DL> |
---|
| 1057 | </DL> |
---|
| 1058 | </DD> |
---|
| 1059 | <DD><DL> |
---|
| 1060 | <DT><B>Parameters:</B><DD><CODE>name</CODE> - property name.<DD><CODE>defaultValue</CODE> - default value. |
---|
| 1061 | <DT><B>Returns:</B><DD>property value as a <code>boolean</code>, |
---|
| 1062 | or <code>defaultValue</code>.</DL> |
---|
| 1063 | </DD> |
---|
| 1064 | </DL> |
---|
| 1065 | <HR> |
---|
| 1066 | |
---|
| 1067 | <A NAME="setBoolean(java.lang.String, boolean)"><!-- --></A><H3> |
---|
| 1068 | setBoolean</H3> |
---|
| 1069 | <PRE> |
---|
| 1070 | public void <B>setBoolean</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name, |
---|
| 1071 | boolean value)</PRE> |
---|
| 1072 | <DL> |
---|
| 1073 | <DD>Set the value of the <code>name</code> property to a <code>boolean</code>. |
---|
| 1074 | <P> |
---|
| 1075 | <DD><DL> |
---|
| 1076 | </DL> |
---|
| 1077 | </DD> |
---|
| 1078 | <DD><DL> |
---|
| 1079 | <DT><B>Parameters:</B><DD><CODE>name</CODE> - property name.<DD><CODE>value</CODE> - <code>boolean</code> value of the property.</DL> |
---|
| 1080 | </DD> |
---|
| 1081 | </DL> |
---|
| 1082 | <HR> |
---|
| 1083 | |
---|
| 1084 | <A NAME="setBooleanIfUnset(java.lang.String, boolean)"><!-- --></A><H3> |
---|
| 1085 | setBooleanIfUnset</H3> |
---|
| 1086 | <PRE> |
---|
| 1087 | public void <B>setBooleanIfUnset</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name, |
---|
| 1088 | boolean value)</PRE> |
---|
| 1089 | <DL> |
---|
| 1090 | <DD>Set the given property, if it is currently unset. |
---|
| 1091 | <P> |
---|
| 1092 | <DD><DL> |
---|
| 1093 | </DL> |
---|
| 1094 | </DD> |
---|
| 1095 | <DD><DL> |
---|
| 1096 | <DT><B>Parameters:</B><DD><CODE>name</CODE> - property name<DD><CODE>value</CODE> - new value</DL> |
---|
| 1097 | </DD> |
---|
| 1098 | </DL> |
---|
| 1099 | <HR> |
---|
| 1100 | |
---|
| 1101 | <A NAME="getRange(java.lang.String, java.lang.String)"><!-- --></A><H3> |
---|
| 1102 | getRange</H3> |
---|
| 1103 | <PRE> |
---|
| 1104 | public <A HREF="../../../../org/apache/hadoop/conf/Configuration.IntegerRanges.html" title="class in org.apache.hadoop.conf">Configuration.IntegerRanges</A> <B>getRange</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name, |
---|
| 1105 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> defaultValue)</PRE> |
---|
| 1106 | <DL> |
---|
| 1107 | <DD>Parse the given attribute as a set of integer ranges |
---|
| 1108 | <P> |
---|
| 1109 | <DD><DL> |
---|
| 1110 | </DL> |
---|
| 1111 | </DD> |
---|
| 1112 | <DD><DL> |
---|
| 1113 | <DT><B>Parameters:</B><DD><CODE>name</CODE> - the attribute name<DD><CODE>defaultValue</CODE> - the default value if it is not set |
---|
| 1114 | <DT><B>Returns:</B><DD>a new set of ranges from the configured value</DL> |
---|
| 1115 | </DD> |
---|
| 1116 | </DL> |
---|
| 1117 | <HR> |
---|
| 1118 | |
---|
| 1119 | <A NAME="getStringCollection(java.lang.String)"><!-- --></A><H3> |
---|
| 1120 | getStringCollection</H3> |
---|
| 1121 | <PRE> |
---|
| 1122 | public <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>> <B>getStringCollection</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name)</PRE> |
---|
| 1123 | <DL> |
---|
| 1124 | <DD>Get the comma delimited values of the <code>name</code> property as |
---|
| 1125 | a collection of <code>String</code>s. |
---|
| 1126 | If no such property is specified then empty collection is returned. |
---|
| 1127 | <p> |
---|
| 1128 | This is an optimized version of <A HREF="../../../../org/apache/hadoop/conf/Configuration.html#getStrings(java.lang.String)"><CODE>getStrings(String)</CODE></A> |
---|
| 1129 | <P> |
---|
| 1130 | <DD><DL> |
---|
| 1131 | </DL> |
---|
| 1132 | </DD> |
---|
| 1133 | <DD><DL> |
---|
| 1134 | <DT><B>Parameters:</B><DD><CODE>name</CODE> - property name. |
---|
| 1135 | <DT><B>Returns:</B><DD>property value as a collection of <code>String</code>s.</DL> |
---|
| 1136 | </DD> |
---|
| 1137 | </DL> |
---|
| 1138 | <HR> |
---|
| 1139 | |
---|
| 1140 | <A NAME="getStrings(java.lang.String)"><!-- --></A><H3> |
---|
| 1141 | getStrings</H3> |
---|
| 1142 | <PRE> |
---|
| 1143 | public <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>[] <B>getStrings</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name)</PRE> |
---|
| 1144 | <DL> |
---|
| 1145 | <DD>Get the comma delimited values of the <code>name</code> property as |
---|
| 1146 | an array of <code>String</code>s. |
---|
| 1147 | If no such property is specified then <code>null</code> is returned. |
---|
| 1148 | <P> |
---|
| 1149 | <DD><DL> |
---|
| 1150 | </DL> |
---|
| 1151 | </DD> |
---|
| 1152 | <DD><DL> |
---|
| 1153 | <DT><B>Parameters:</B><DD><CODE>name</CODE> - property name. |
---|
| 1154 | <DT><B>Returns:</B><DD>property value as an array of <code>String</code>s, |
---|
| 1155 | or <code>null</code>.</DL> |
---|
| 1156 | </DD> |
---|
| 1157 | </DL> |
---|
| 1158 | <HR> |
---|
| 1159 | |
---|
| 1160 | <A NAME="getStrings(java.lang.String, java.lang.String...)"><!-- --></A><H3> |
---|
| 1161 | getStrings</H3> |
---|
| 1162 | <PRE> |
---|
| 1163 | public <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>[] <B>getStrings</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name, |
---|
| 1164 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>... defaultValue)</PRE> |
---|
| 1165 | <DL> |
---|
| 1166 | <DD>Get the comma delimited values of the <code>name</code> property as |
---|
| 1167 | an array of <code>String</code>s. |
---|
| 1168 | If no such property is specified then default value is returned. |
---|
| 1169 | <P> |
---|
| 1170 | <DD><DL> |
---|
| 1171 | </DL> |
---|
| 1172 | </DD> |
---|
| 1173 | <DD><DL> |
---|
| 1174 | <DT><B>Parameters:</B><DD><CODE>name</CODE> - property name.<DD><CODE>defaultValue</CODE> - The default value |
---|
| 1175 | <DT><B>Returns:</B><DD>property value as an array of <code>String</code>s, |
---|
| 1176 | or default value.</DL> |
---|
| 1177 | </DD> |
---|
| 1178 | </DL> |
---|
| 1179 | <HR> |
---|
| 1180 | |
---|
| 1181 | <A NAME="setStrings(java.lang.String, java.lang.String...)"><!-- --></A><H3> |
---|
| 1182 | setStrings</H3> |
---|
| 1183 | <PRE> |
---|
| 1184 | public void <B>setStrings</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name, |
---|
| 1185 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>... values)</PRE> |
---|
| 1186 | <DL> |
---|
| 1187 | <DD>Set the array of string values for the <code>name</code> property as |
---|
| 1188 | as comma delimited values. |
---|
| 1189 | <P> |
---|
| 1190 | <DD><DL> |
---|
| 1191 | </DL> |
---|
| 1192 | </DD> |
---|
| 1193 | <DD><DL> |
---|
| 1194 | <DT><B>Parameters:</B><DD><CODE>name</CODE> - property name.<DD><CODE>values</CODE> - The values</DL> |
---|
| 1195 | </DD> |
---|
| 1196 | </DL> |
---|
| 1197 | <HR> |
---|
| 1198 | |
---|
| 1199 | <A NAME="getClassByName(java.lang.String)"><!-- --></A><H3> |
---|
| 1200 | getClassByName</H3> |
---|
| 1201 | <PRE> |
---|
| 1202 | public <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><?> <B>getClassByName</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name) |
---|
| 1203 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</A></PRE> |
---|
| 1204 | <DL> |
---|
| 1205 | <DD>Load a class by name. |
---|
| 1206 | <P> |
---|
| 1207 | <DD><DL> |
---|
| 1208 | </DL> |
---|
| 1209 | </DD> |
---|
| 1210 | <DD><DL> |
---|
| 1211 | <DT><B>Parameters:</B><DD><CODE>name</CODE> - the class name. |
---|
| 1212 | <DT><B>Returns:</B><DD>the class object. |
---|
| 1213 | <DT><B>Throws:</B> |
---|
| 1214 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</A></CODE> - if the class is not found.</DL> |
---|
| 1215 | </DD> |
---|
| 1216 | </DL> |
---|
| 1217 | <HR> |
---|
| 1218 | |
---|
| 1219 | <A NAME="getClasses(java.lang.String, java.lang.Class...)"><!-- --></A><H3> |
---|
| 1220 | getClasses</H3> |
---|
| 1221 | <PRE> |
---|
| 1222 | public <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><?>[] <B>getClasses</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name, |
---|
| 1223 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><?>... defaultValue)</PRE> |
---|
| 1224 | <DL> |
---|
| 1225 | <DD>Get the value of the <code>name</code> property |
---|
| 1226 | as an array of <code>Class</code>. |
---|
| 1227 | The value of the property specifies a list of comma separated class names. |
---|
| 1228 | If no such property is specified, then <code>defaultValue</code> is |
---|
| 1229 | returned. |
---|
| 1230 | <P> |
---|
| 1231 | <DD><DL> |
---|
| 1232 | </DL> |
---|
| 1233 | </DD> |
---|
| 1234 | <DD><DL> |
---|
| 1235 | <DT><B>Parameters:</B><DD><CODE>name</CODE> - the property name.<DD><CODE>defaultValue</CODE> - default value. |
---|
| 1236 | <DT><B>Returns:</B><DD>property value as a <code>Class[]</code>, |
---|
| 1237 | or <code>defaultValue</code>.</DL> |
---|
| 1238 | </DD> |
---|
| 1239 | </DL> |
---|
| 1240 | <HR> |
---|
| 1241 | |
---|
| 1242 | <A NAME="getClass(java.lang.String, java.lang.Class)"><!-- --></A><H3> |
---|
| 1243 | getClass</H3> |
---|
| 1244 | <PRE> |
---|
| 1245 | public <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><?> <B>getClass</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name, |
---|
| 1246 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><?> defaultValue)</PRE> |
---|
| 1247 | <DL> |
---|
| 1248 | <DD>Get the value of the <code>name</code> property as a <code>Class</code>. |
---|
| 1249 | If no such property is specified, then <code>defaultValue</code> is |
---|
| 1250 | returned. |
---|
| 1251 | <P> |
---|
| 1252 | <DD><DL> |
---|
| 1253 | </DL> |
---|
| 1254 | </DD> |
---|
| 1255 | <DD><DL> |
---|
| 1256 | <DT><B>Parameters:</B><DD><CODE>name</CODE> - the class name.<DD><CODE>defaultValue</CODE> - default value. |
---|
| 1257 | <DT><B>Returns:</B><DD>property value as a <code>Class</code>, |
---|
| 1258 | or <code>defaultValue</code>.</DL> |
---|
| 1259 | </DD> |
---|
| 1260 | </DL> |
---|
| 1261 | <HR> |
---|
| 1262 | |
---|
| 1263 | <A NAME="getClass(java.lang.String, java.lang.Class, java.lang.Class)"><!-- --></A><H3> |
---|
| 1264 | getClass</H3> |
---|
| 1265 | <PRE> |
---|
| 1266 | public <U> <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><? extends U> <B>getClass</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name, |
---|
| 1267 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><? extends U> defaultValue, |
---|
| 1268 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><U> xface)</PRE> |
---|
| 1269 | <DL> |
---|
| 1270 | <DD>Get the value of the <code>name</code> property as a <code>Class</code> |
---|
| 1271 | implementing the interface specified by <code>xface</code>. |
---|
| 1272 | |
---|
| 1273 | If no such property is specified, then <code>defaultValue</code> is |
---|
| 1274 | returned. |
---|
| 1275 | |
---|
| 1276 | An exception is thrown if the returned class does not implement the named |
---|
| 1277 | interface. |
---|
| 1278 | <P> |
---|
| 1279 | <DD><DL> |
---|
| 1280 | </DL> |
---|
| 1281 | </DD> |
---|
| 1282 | <DD><DL> |
---|
| 1283 | <DT><B>Parameters:</B><DD><CODE>name</CODE> - the class name.<DD><CODE>defaultValue</CODE> - default value.<DD><CODE>xface</CODE> - the interface implemented by the named class. |
---|
| 1284 | <DT><B>Returns:</B><DD>property value as a <code>Class</code>, |
---|
| 1285 | or <code>defaultValue</code>.</DL> |
---|
| 1286 | </DD> |
---|
| 1287 | </DL> |
---|
| 1288 | <HR> |
---|
| 1289 | |
---|
| 1290 | <A NAME="setClass(java.lang.String, java.lang.Class, java.lang.Class)"><!-- --></A><H3> |
---|
| 1291 | setClass</H3> |
---|
| 1292 | <PRE> |
---|
| 1293 | public void <B>setClass</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name, |
---|
| 1294 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><?> theClass, |
---|
| 1295 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><?> xface)</PRE> |
---|
| 1296 | <DL> |
---|
| 1297 | <DD>Set the value of the <code>name</code> property to the name of a |
---|
| 1298 | <code>theClass</code> implementing the given interface <code>xface</code>. |
---|
| 1299 | |
---|
| 1300 | An exception is thrown if <code>theClass</code> does not implement the |
---|
| 1301 | interface <code>xface</code>. |
---|
| 1302 | <P> |
---|
| 1303 | <DD><DL> |
---|
| 1304 | </DL> |
---|
| 1305 | </DD> |
---|
| 1306 | <DD><DL> |
---|
| 1307 | <DT><B>Parameters:</B><DD><CODE>name</CODE> - property name.<DD><CODE>theClass</CODE> - property value.<DD><CODE>xface</CODE> - the interface implemented by the named class.</DL> |
---|
| 1308 | </DD> |
---|
| 1309 | </DL> |
---|
| 1310 | <HR> |
---|
| 1311 | |
---|
| 1312 | <A NAME="getLocalPath(java.lang.String, java.lang.String)"><!-- --></A><H3> |
---|
| 1313 | getLocalPath</H3> |
---|
| 1314 | <PRE> |
---|
| 1315 | public <A HREF="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A> <B>getLocalPath</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> dirsProp, |
---|
| 1316 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> path) |
---|
| 1317 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
---|
| 1318 | <DL> |
---|
| 1319 | <DD>Get a local file under a directory named by <i>dirsProp</i> with |
---|
| 1320 | the given <i>path</i>. If <i>dirsProp</i> contains multiple directories, |
---|
| 1321 | then one is chosen based on <i>path</i>'s hash code. If the selected |
---|
| 1322 | directory does not exist, an attempt is made to create it. |
---|
| 1323 | <P> |
---|
| 1324 | <DD><DL> |
---|
| 1325 | </DL> |
---|
| 1326 | </DD> |
---|
| 1327 | <DD><DL> |
---|
| 1328 | <DT><B>Parameters:</B><DD><CODE>dirsProp</CODE> - directory in which to locate the file.<DD><CODE>path</CODE> - file-path. |
---|
| 1329 | <DT><B>Returns:</B><DD>local file under the directory with the given path. |
---|
| 1330 | <DT><B>Throws:</B> |
---|
| 1331 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL> |
---|
| 1332 | </DD> |
---|
| 1333 | </DL> |
---|
| 1334 | <HR> |
---|
| 1335 | |
---|
| 1336 | <A NAME="getFile(java.lang.String, java.lang.String)"><!-- --></A><H3> |
---|
| 1337 | getFile</H3> |
---|
| 1338 | <PRE> |
---|
| 1339 | public <A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> <B>getFile</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> dirsProp, |
---|
| 1340 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> path) |
---|
| 1341 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
---|
| 1342 | <DL> |
---|
| 1343 | <DD>Get a local file name under a directory named in <i>dirsProp</i> with |
---|
| 1344 | the given <i>path</i>. If <i>dirsProp</i> contains multiple directories, |
---|
| 1345 | then one is chosen based on <i>path</i>'s hash code. If the selected |
---|
| 1346 | directory does not exist, an attempt is made to create it. |
---|
| 1347 | <P> |
---|
| 1348 | <DD><DL> |
---|
| 1349 | </DL> |
---|
| 1350 | </DD> |
---|
| 1351 | <DD><DL> |
---|
| 1352 | <DT><B>Parameters:</B><DD><CODE>dirsProp</CODE> - directory in which to locate the file.<DD><CODE>path</CODE> - file-path. |
---|
| 1353 | <DT><B>Returns:</B><DD>local file under the directory with the given path. |
---|
| 1354 | <DT><B>Throws:</B> |
---|
| 1355 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL> |
---|
| 1356 | </DD> |
---|
| 1357 | </DL> |
---|
| 1358 | <HR> |
---|
| 1359 | |
---|
| 1360 | <A NAME="getResource(java.lang.String)"><!-- --></A><H3> |
---|
| 1361 | getResource</H3> |
---|
| 1362 | <PRE> |
---|
| 1363 | public <A HREF="http://java.sun.com/javase/6/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net">URL</A> <B>getResource</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name)</PRE> |
---|
| 1364 | <DL> |
---|
| 1365 | <DD>Get the <A HREF="http://java.sun.com/javase/6/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net"><CODE>URL</CODE></A> for the named resource. |
---|
| 1366 | <P> |
---|
| 1367 | <DD><DL> |
---|
| 1368 | </DL> |
---|
| 1369 | </DD> |
---|
| 1370 | <DD><DL> |
---|
| 1371 | <DT><B>Parameters:</B><DD><CODE>name</CODE> - resource name. |
---|
| 1372 | <DT><B>Returns:</B><DD>the url for the named resource.</DL> |
---|
| 1373 | </DD> |
---|
| 1374 | </DL> |
---|
| 1375 | <HR> |
---|
| 1376 | |
---|
| 1377 | <A NAME="getConfResourceAsInputStream(java.lang.String)"><!-- --></A><H3> |
---|
| 1378 | getConfResourceAsInputStream</H3> |
---|
| 1379 | <PRE> |
---|
| 1380 | public <A HREF="http://java.sun.com/javase/6/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</A> <B>getConfResourceAsInputStream</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name)</PRE> |
---|
| 1381 | <DL> |
---|
| 1382 | <DD>Get an input stream attached to the configuration resource with the |
---|
| 1383 | given <code>name</code>. |
---|
| 1384 | <P> |
---|
| 1385 | <DD><DL> |
---|
| 1386 | </DL> |
---|
| 1387 | </DD> |
---|
| 1388 | <DD><DL> |
---|
| 1389 | <DT><B>Parameters:</B><DD><CODE>name</CODE> - configuration resource name. |
---|
| 1390 | <DT><B>Returns:</B><DD>an input stream attached to the resource.</DL> |
---|
| 1391 | </DD> |
---|
| 1392 | </DL> |
---|
| 1393 | <HR> |
---|
| 1394 | |
---|
| 1395 | <A NAME="getConfResourceAsReader(java.lang.String)"><!-- --></A><H3> |
---|
| 1396 | getConfResourceAsReader</H3> |
---|
| 1397 | <PRE> |
---|
| 1398 | public <A HREF="http://java.sun.com/javase/6/docs/api/java/io/Reader.html?is-external=true" title="class or interface in java.io">Reader</A> <B>getConfResourceAsReader</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name)</PRE> |
---|
| 1399 | <DL> |
---|
| 1400 | <DD>Get a <A HREF="http://java.sun.com/javase/6/docs/api/java/io/Reader.html?is-external=true" title="class or interface in java.io"><CODE>Reader</CODE></A> attached to the configuration resource with the |
---|
| 1401 | given <code>name</code>. |
---|
| 1402 | <P> |
---|
| 1403 | <DD><DL> |
---|
| 1404 | </DL> |
---|
| 1405 | </DD> |
---|
| 1406 | <DD><DL> |
---|
| 1407 | <DT><B>Parameters:</B><DD><CODE>name</CODE> - configuration resource name. |
---|
| 1408 | <DT><B>Returns:</B><DD>a reader attached to the resource.</DL> |
---|
| 1409 | </DD> |
---|
| 1410 | </DL> |
---|
| 1411 | <HR> |
---|
| 1412 | |
---|
| 1413 | <A NAME="size()"><!-- --></A><H3> |
---|
| 1414 | size</H3> |
---|
| 1415 | <PRE> |
---|
| 1416 | public int <B>size</B>()</PRE> |
---|
| 1417 | <DL> |
---|
| 1418 | <DD>Return the number of keys in the configuration. |
---|
| 1419 | <P> |
---|
| 1420 | <DD><DL> |
---|
| 1421 | </DL> |
---|
| 1422 | </DD> |
---|
| 1423 | <DD><DL> |
---|
| 1424 | |
---|
| 1425 | <DT><B>Returns:</B><DD>number of keys in the configuration.</DL> |
---|
| 1426 | </DD> |
---|
| 1427 | </DL> |
---|
| 1428 | <HR> |
---|
| 1429 | |
---|
| 1430 | <A NAME="clear()"><!-- --></A><H3> |
---|
| 1431 | clear</H3> |
---|
| 1432 | <PRE> |
---|
| 1433 | public void <B>clear</B>()</PRE> |
---|
| 1434 | <DL> |
---|
| 1435 | <DD>Clears all keys from the configuration. |
---|
| 1436 | <P> |
---|
| 1437 | <DD><DL> |
---|
| 1438 | </DL> |
---|
| 1439 | </DD> |
---|
| 1440 | <DD><DL> |
---|
| 1441 | </DL> |
---|
| 1442 | </DD> |
---|
| 1443 | </DL> |
---|
| 1444 | <HR> |
---|
| 1445 | |
---|
| 1446 | <A NAME="iterator()"><!-- --></A><H3> |
---|
| 1447 | iterator</H3> |
---|
| 1448 | <PRE> |
---|
| 1449 | public <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.Entry.html?is-external=true" title="class or interface in java.util">Map.Entry</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>,<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>>> <B>iterator</B>()</PRE> |
---|
| 1450 | <DL> |
---|
| 1451 | <DD>Get an <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util"><CODE>Iterator</CODE></A> to go through the list of <code>String</code> |
---|
| 1452 | key-value pairs in the configuration. |
---|
| 1453 | <P> |
---|
| 1454 | <DD><DL> |
---|
| 1455 | <DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Iterable.html?is-external=true#iterator()" title="class or interface in java.lang">iterator</A></CODE> in interface <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.Entry.html?is-external=true" title="class or interface in java.util">Map.Entry</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>,<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>>></CODE></DL> |
---|
| 1456 | </DD> |
---|
| 1457 | <DD><DL> |
---|
| 1458 | |
---|
| 1459 | <DT><B>Returns:</B><DD>an iterator over the entries.</DL> |
---|
| 1460 | </DD> |
---|
| 1461 | </DL> |
---|
| 1462 | <HR> |
---|
| 1463 | |
---|
| 1464 | <A NAME="writeXml(java.io.OutputStream)"><!-- --></A><H3> |
---|
| 1465 | writeXml</H3> |
---|
| 1466 | <PRE> |
---|
| 1467 | public void <B>writeXml</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</A> out) |
---|
| 1468 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
---|
| 1469 | <DL> |
---|
| 1470 | <DD>Write out the non-default properties in this configuration to the give |
---|
| 1471 | <A HREF="http://java.sun.com/javase/6/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io"><CODE>OutputStream</CODE></A>. |
---|
| 1472 | <P> |
---|
| 1473 | <DD><DL> |
---|
| 1474 | </DL> |
---|
| 1475 | </DD> |
---|
| 1476 | <DD><DL> |
---|
| 1477 | <DT><B>Parameters:</B><DD><CODE>out</CODE> - the output stream to write to. |
---|
| 1478 | <DT><B>Throws:</B> |
---|
| 1479 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL> |
---|
| 1480 | </DD> |
---|
| 1481 | </DL> |
---|
| 1482 | <HR> |
---|
| 1483 | |
---|
| 1484 | <A NAME="getClassLoader()"><!-- --></A><H3> |
---|
| 1485 | getClassLoader</H3> |
---|
| 1486 | <PRE> |
---|
| 1487 | public <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/ClassLoader.html?is-external=true" title="class or interface in java.lang">ClassLoader</A> <B>getClassLoader</B>()</PRE> |
---|
| 1488 | <DL> |
---|
| 1489 | <DD>Get the <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/ClassLoader.html?is-external=true" title="class or interface in java.lang"><CODE>ClassLoader</CODE></A> for this job. |
---|
| 1490 | <P> |
---|
| 1491 | <DD><DL> |
---|
| 1492 | </DL> |
---|
| 1493 | </DD> |
---|
| 1494 | <DD><DL> |
---|
| 1495 | |
---|
| 1496 | <DT><B>Returns:</B><DD>the correct class loader.</DL> |
---|
| 1497 | </DD> |
---|
| 1498 | </DL> |
---|
| 1499 | <HR> |
---|
| 1500 | |
---|
| 1501 | <A NAME="setClassLoader(java.lang.ClassLoader)"><!-- --></A><H3> |
---|
| 1502 | setClassLoader</H3> |
---|
| 1503 | <PRE> |
---|
| 1504 | public void <B>setClassLoader</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/ClassLoader.html?is-external=true" title="class or interface in java.lang">ClassLoader</A> classLoader)</PRE> |
---|
| 1505 | <DL> |
---|
| 1506 | <DD>Set the class loader that will be used to load the various objects. |
---|
| 1507 | <P> |
---|
| 1508 | <DD><DL> |
---|
| 1509 | </DL> |
---|
| 1510 | </DD> |
---|
| 1511 | <DD><DL> |
---|
| 1512 | <DT><B>Parameters:</B><DD><CODE>classLoader</CODE> - the new class loader.</DL> |
---|
| 1513 | </DD> |
---|
| 1514 | </DL> |
---|
| 1515 | <HR> |
---|
| 1516 | |
---|
| 1517 | <A NAME="toString()"><!-- --></A><H3> |
---|
| 1518 | toString</H3> |
---|
| 1519 | <PRE> |
---|
| 1520 | public <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>toString</B>()</PRE> |
---|
| 1521 | <DL> |
---|
| 1522 | <DD><DL> |
---|
| 1523 | <DT><B>Overrides:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</A></CODE> in class <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></CODE></DL> |
---|
| 1524 | </DD> |
---|
| 1525 | <DD><DL> |
---|
| 1526 | </DL> |
---|
| 1527 | </DD> |
---|
| 1528 | </DL> |
---|
| 1529 | <HR> |
---|
| 1530 | |
---|
| 1531 | <A NAME="setQuietMode(boolean)"><!-- --></A><H3> |
---|
| 1532 | setQuietMode</H3> |
---|
| 1533 | <PRE> |
---|
| 1534 | public void <B>setQuietMode</B>(boolean quietmode)</PRE> |
---|
| 1535 | <DL> |
---|
| 1536 | <DD>Set the quietness-mode. |
---|
| 1537 | |
---|
| 1538 | In the quiet-mode, error and informational messages might not be logged. |
---|
| 1539 | <P> |
---|
| 1540 | <DD><DL> |
---|
| 1541 | </DL> |
---|
| 1542 | </DD> |
---|
| 1543 | <DD><DL> |
---|
| 1544 | <DT><B>Parameters:</B><DD><CODE>quietmode</CODE> - <code>true</code> to set quiet-mode on, <code>false</code> |
---|
| 1545 | to turn it off.</DL> |
---|
| 1546 | </DD> |
---|
| 1547 | </DL> |
---|
| 1548 | <HR> |
---|
| 1549 | |
---|
| 1550 | <A NAME="main(java.lang.String[])"><!-- --></A><H3> |
---|
| 1551 | main</H3> |
---|
| 1552 | <PRE> |
---|
| 1553 | public static void <B>main</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>[] args) |
---|
| 1554 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</A></PRE> |
---|
| 1555 | <DL> |
---|
| 1556 | <DD>For debugging. List non-default properties to the terminal and exit. |
---|
| 1557 | <P> |
---|
| 1558 | <DD><DL> |
---|
| 1559 | </DL> |
---|
| 1560 | </DD> |
---|
| 1561 | <DD><DL> |
---|
| 1562 | |
---|
| 1563 | <DT><B>Throws:</B> |
---|
| 1564 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</A></CODE></DL> |
---|
| 1565 | </DD> |
---|
| 1566 | </DL> |
---|
| 1567 | <HR> |
---|
| 1568 | |
---|
| 1569 | <A NAME="readFields(java.io.DataInput)"><!-- --></A><H3> |
---|
| 1570 | readFields</H3> |
---|
| 1571 | <PRE> |
---|
| 1572 | public void <B>readFields</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</A> in) |
---|
| 1573 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
---|
| 1574 | <DL> |
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| 1575 | <DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/hadoop/io/Writable.html#readFields(java.io.DataInput)">Writable</A></CODE></B></DD> |
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| 1576 | <DD>Deserialize the fields of this object from <code>in</code>. |
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| 1577 | |
---|
| 1578 | <p>For efficiency, implementations should attempt to re-use storage in the |
---|
| 1579 | existing object where possible.</p> |
---|
| 1580 | <P> |
---|
| 1581 | <DD><DL> |
---|
| 1582 | <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/io/Writable.html#readFields(java.io.DataInput)">readFields</A></CODE> in interface <CODE><A HREF="../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</A></CODE></DL> |
---|
| 1583 | </DD> |
---|
| 1584 | <DD><DL> |
---|
| 1585 | <DT><B>Parameters:</B><DD><CODE>in</CODE> - <code>DataInput</code> to deseriablize this object from. |
---|
| 1586 | <DT><B>Throws:</B> |
---|
| 1587 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL> |
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| 1588 | </DD> |
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| 1589 | </DL> |
---|
| 1590 | <HR> |
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| 1591 | |
---|
| 1592 | <A NAME="write(java.io.DataOutput)"><!-- --></A><H3> |
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| 1593 | write</H3> |
---|
| 1594 | <PRE> |
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| 1595 | public void <B>write</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io">DataOutput</A> out) |
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| 1596 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
---|
| 1597 | <DL> |
---|
| 1598 | <DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/hadoop/io/Writable.html#write(java.io.DataOutput)">Writable</A></CODE></B></DD> |
---|
| 1599 | <DD>Serialize the fields of this object to <code>out</code>. |
---|
| 1600 | <P> |
---|
| 1601 | <DD><DL> |
---|
| 1602 | <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/io/Writable.html#write(java.io.DataOutput)">write</A></CODE> in interface <CODE><A HREF="../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</A></CODE></DL> |
---|
| 1603 | </DD> |
---|
| 1604 | <DD><DL> |
---|
| 1605 | <DT><B>Parameters:</B><DD><CODE>out</CODE> - <code>DataOuput</code> to serialize this object into. |
---|
| 1606 | <DT><B>Throws:</B> |
---|
| 1607 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL> |
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| 1608 | </DD> |
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| 1609 | </DL> |
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