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| 5 | <!-- Generated by javadoc (build 1.6.0_07) on Tue Sep 01 20:57:01 UTC 2009 --> |
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| 7 | Uses of Interface org.apache.hadoop.io.Closeable (Hadoop 0.20.1 API) |
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| 80 | |
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| 81 | <HR> |
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| 82 | <CENTER> |
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| 83 | <H2> |
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| 84 | <B>Uses of Interface<br>org.apache.hadoop.io.Closeable</B></H2> |
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| 85 | </CENTER> |
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| 86 | |
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| 87 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 88 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 89 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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| 90 | Packages that use <A HREF="../../../../../org/apache/hadoop/io/Closeable.html" title="interface in org.apache.hadoop.io">Closeable</A></FONT></TH> |
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| 91 | </TR> |
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| 92 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 93 | <TD><A HREF="#org.apache.hadoop.contrib.index.example"><B>org.apache.hadoop.contrib.index.example</B></A></TD> |
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| 94 | <TD> </TD> |
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| 95 | </TR> |
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| 96 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 97 | <TD><A HREF="#org.apache.hadoop.contrib.index.mapred"><B>org.apache.hadoop.contrib.index.mapred</B></A></TD> |
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| 98 | <TD> </TD> |
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| 99 | </TR> |
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| 100 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 101 | <TD><A HREF="#org.apache.hadoop.contrib.utils.join"><B>org.apache.hadoop.contrib.utils.join</B></A></TD> |
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| 102 | <TD> </TD> |
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| 103 | </TR> |
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| 104 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 105 | <TD><A HREF="#org.apache.hadoop.examples"><B>org.apache.hadoop.examples</B></A></TD> |
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| 106 | <TD>Hadoop example code. </TD> |
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| 107 | </TR> |
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| 108 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 109 | <TD><A HREF="#org.apache.hadoop.examples.dancing"><B>org.apache.hadoop.examples.dancing</B></A></TD> |
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| 110 | <TD>This package is a distributed implementation of Knuth's <a |
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| 111 | href="http://en.wikipedia.org/wiki/Dancing_Links">dancing links</a> |
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| 112 | algorithm that can run under Hadoop. </TD> |
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| 113 | </TR> |
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| 114 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 115 | <TD><A HREF="#org.apache.hadoop.examples.terasort"><B>org.apache.hadoop.examples.terasort</B></A></TD> |
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| 116 | <TD>This package consists of 3 map/reduce applications for Hadoop to |
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| 117 | compete in the annual <a |
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| 118 | href="http://www.hpl.hp.com/hosted/sortbenchmark" target="_top">terabyte sort</a> |
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| 119 | competition. </TD> |
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| 120 | </TR> |
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| 121 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 122 | <TD><A HREF="#org.apache.hadoop.mapred"><B>org.apache.hadoop.mapred</B></A></TD> |
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| 123 | <TD>A software framework for easily writing applications which process vast |
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| 124 | amounts of data (multi-terabyte data-sets) parallelly on large clusters |
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| 125 | (thousands of nodes) built of commodity hardware in a reliable, fault-tolerant |
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| 126 | manner. </TD> |
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| 127 | </TR> |
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| 128 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 129 | <TD><A HREF="#org.apache.hadoop.mapred.lib"><B>org.apache.hadoop.mapred.lib</B></A></TD> |
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| 130 | <TD>Library of generally useful mappers, reducers, and partitioners. </TD> |
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| 131 | </TR> |
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| 132 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 133 | <TD><A HREF="#org.apache.hadoop.mapred.lib.aggregate"><B>org.apache.hadoop.mapred.lib.aggregate</B></A></TD> |
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| 134 | <TD>Classes for performing various counting and aggregations. </TD> |
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| 135 | </TR> |
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| 136 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 137 | <TD><A HREF="#org.apache.hadoop.streaming"><B>org.apache.hadoop.streaming</B></A></TD> |
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| 138 | <TD><tt>Hadoop Streaming</tt> is a utility which allows users to create and run |
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| 139 | Map-Reduce jobs with any executables (e.g. </TD> |
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| 140 | </TR> |
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| 141 | </TABLE> |
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| 142 | |
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| 143 | <P> |
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| 144 | <A NAME="org.apache.hadoop.contrib.index.example"><!-- --></A> |
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| 145 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 146 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 147 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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| 148 | Uses of <A HREF="../../../../../org/apache/hadoop/io/Closeable.html" title="interface in org.apache.hadoop.io">Closeable</A> in <A HREF="../../../../../org/apache/hadoop/contrib/index/example/package-summary.html">org.apache.hadoop.contrib.index.example</A></FONT></TH> |
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| 149 | </TR> |
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| 150 | </TABLE> |
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| 151 | |
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| 152 | <P> |
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| 153 | |
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| 154 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 155 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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| 156 | <TH ALIGN="left" COLSPAN="2">Classes in <A HREF="../../../../../org/apache/hadoop/contrib/index/example/package-summary.html">org.apache.hadoop.contrib.index.example</A> that implement <A HREF="../../../../../org/apache/hadoop/io/Closeable.html" title="interface in org.apache.hadoop.io">Closeable</A></FONT></TH> |
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| 157 | </TR> |
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| 158 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 159 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 160 | <CODE> class</CODE></FONT></TD> |
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| 161 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/index/example/IdentityLocalAnalysis.html" title="class in org.apache.hadoop.contrib.index.example">IdentityLocalAnalysis</A></B></CODE> |
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| 162 | |
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| 163 | <BR> |
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| 164 | Identity local analysis maps inputs directly into outputs.</TD> |
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| 165 | </TR> |
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| 166 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 167 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 168 | <CODE> class</CODE></FONT></TD> |
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| 169 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/index/example/LineDocLocalAnalysis.html" title="class in org.apache.hadoop.contrib.index.example">LineDocLocalAnalysis</A></B></CODE> |
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| 170 | |
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| 171 | <BR> |
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| 172 | Convert LineDocTextAndOp to DocumentAndOp as required by ILocalAnalysis.</TD> |
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| 173 | </TR> |
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| 174 | </TABLE> |
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| 175 | |
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| 176 | <P> |
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| 177 | <A NAME="org.apache.hadoop.contrib.index.mapred"><!-- --></A> |
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| 178 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 179 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 180 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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| 181 | Uses of <A HREF="../../../../../org/apache/hadoop/io/Closeable.html" title="interface in org.apache.hadoop.io">Closeable</A> in <A HREF="../../../../../org/apache/hadoop/contrib/index/mapred/package-summary.html">org.apache.hadoop.contrib.index.mapred</A></FONT></TH> |
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| 182 | </TR> |
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| 183 | </TABLE> |
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| 184 | |
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| 185 | <P> |
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| 186 | |
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| 187 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 188 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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| 189 | <TH ALIGN="left" COLSPAN="2">Subinterfaces of <A HREF="../../../../../org/apache/hadoop/io/Closeable.html" title="interface in org.apache.hadoop.io">Closeable</A> in <A HREF="../../../../../org/apache/hadoop/contrib/index/mapred/package-summary.html">org.apache.hadoop.contrib.index.mapred</A></FONT></TH> |
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| 190 | </TR> |
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| 191 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 192 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 193 | <CODE> interface</CODE></FONT></TD> |
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| 194 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/index/mapred/ILocalAnalysis.html" title="interface in org.apache.hadoop.contrib.index.mapred">ILocalAnalysis<K extends WritableComparable,V extends Writable></A></B></CODE> |
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| 195 | |
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| 196 | <BR> |
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| 197 | Application specific local analysis.</TD> |
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| 198 | </TR> |
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| 199 | </TABLE> |
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| 200 | |
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| 201 | <P> |
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| 202 | |
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| 203 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 204 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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| 205 | <TH ALIGN="left" COLSPAN="2">Classes in <A HREF="../../../../../org/apache/hadoop/contrib/index/mapred/package-summary.html">org.apache.hadoop.contrib.index.mapred</A> that implement <A HREF="../../../../../org/apache/hadoop/io/Closeable.html" title="interface in org.apache.hadoop.io">Closeable</A></FONT></TH> |
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| 206 | </TR> |
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| 207 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 208 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 209 | <CODE> class</CODE></FONT></TD> |
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| 210 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/index/mapred/IndexUpdateCombiner.html" title="class in org.apache.hadoop.contrib.index.mapred">IndexUpdateCombiner</A></B></CODE> |
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| 211 | |
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| 212 | <BR> |
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| 213 | This combiner combines multiple intermediate forms into one intermediate |
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| 214 | form.</TD> |
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| 215 | </TR> |
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| 216 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 217 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 218 | <CODE> class</CODE></FONT></TD> |
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| 219 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/index/mapred/IndexUpdateMapper.html" title="class in org.apache.hadoop.contrib.index.mapred">IndexUpdateMapper<K extends WritableComparable,V extends Writable></A></B></CODE> |
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| 220 | |
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| 221 | <BR> |
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| 222 | This class applies local analysis on a key-value pair and then convert the |
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| 223 | result docid-operation pair to a shard-and-intermediate form pair.</TD> |
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| 224 | </TR> |
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| 225 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 226 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 227 | <CODE> class</CODE></FONT></TD> |
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| 228 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/index/mapred/IndexUpdateReducer.html" title="class in org.apache.hadoop.contrib.index.mapred">IndexUpdateReducer</A></B></CODE> |
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| 229 | |
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| 230 | <BR> |
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| 231 | This reducer applies to a shard the changes for it.</TD> |
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| 232 | </TR> |
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| 233 | </TABLE> |
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| 234 | |
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| 235 | <P> |
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| 236 | <A NAME="org.apache.hadoop.contrib.utils.join"><!-- --></A> |
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| 237 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 238 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 239 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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| 240 | Uses of <A HREF="../../../../../org/apache/hadoop/io/Closeable.html" title="interface in org.apache.hadoop.io">Closeable</A> in <A HREF="../../../../../org/apache/hadoop/contrib/utils/join/package-summary.html">org.apache.hadoop.contrib.utils.join</A></FONT></TH> |
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| 241 | </TR> |
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| 242 | </TABLE> |
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| 243 | |
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| 244 | <P> |
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| 245 | |
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| 246 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 247 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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| 248 | <TH ALIGN="left" COLSPAN="2">Classes in <A HREF="../../../../../org/apache/hadoop/contrib/utils/join/package-summary.html">org.apache.hadoop.contrib.utils.join</A> that implement <A HREF="../../../../../org/apache/hadoop/io/Closeable.html" title="interface in org.apache.hadoop.io">Closeable</A></FONT></TH> |
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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> class</CODE></FONT></TD> |
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| 253 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/utils/join/DataJoinMapperBase.html" title="class in org.apache.hadoop.contrib.utils.join">DataJoinMapperBase</A></B></CODE> |
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| 254 | |
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| 255 | <BR> |
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| 256 | This abstract class serves as the base class for the mapper class of a data |
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| 257 | join job.</TD> |
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| 258 | </TR> |
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| 259 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 260 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 261 | <CODE> class</CODE></FONT></TD> |
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| 262 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/utils/join/DataJoinReducerBase.html" title="class in org.apache.hadoop.contrib.utils.join">DataJoinReducerBase</A></B></CODE> |
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| 263 | |
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| 264 | <BR> |
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| 265 | This abstract class serves as the base class for the reducer class of a data |
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| 266 | join job.</TD> |
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| 267 | </TR> |
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| 268 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 269 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 270 | <CODE> class</CODE></FONT></TD> |
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| 271 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/utils/join/JobBase.html" title="class in org.apache.hadoop.contrib.utils.join">JobBase</A></B></CODE> |
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| 272 | |
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| 273 | <BR> |
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| 274 | A common base implementing some statics collecting mechanisms that are |
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| 275 | commonly used in a typical map/reduce job.</TD> |
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| 276 | </TR> |
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| 277 | </TABLE> |
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| 278 | |
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| 279 | <P> |
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| 280 | <A NAME="org.apache.hadoop.examples"><!-- --></A> |
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| 281 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 282 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 283 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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| 284 | Uses of <A HREF="../../../../../org/apache/hadoop/io/Closeable.html" title="interface in org.apache.hadoop.io">Closeable</A> in <A HREF="../../../../../org/apache/hadoop/examples/package-summary.html">org.apache.hadoop.examples</A></FONT></TH> |
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| 285 | </TR> |
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| 286 | </TABLE> |
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| 287 | |
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| 288 | <P> |
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| 289 | |
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| 290 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 291 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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| 292 | <TH ALIGN="left" COLSPAN="2">Classes in <A HREF="../../../../../org/apache/hadoop/examples/package-summary.html">org.apache.hadoop.examples</A> that implement <A HREF="../../../../../org/apache/hadoop/io/Closeable.html" title="interface in org.apache.hadoop.io">Closeable</A></FONT></TH> |
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| 293 | </TR> |
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| 294 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 295 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 296 | <CODE>static class</CODE></FONT></TD> |
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| 297 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/examples/MultiFileWordCount.MapClass.html" title="class in org.apache.hadoop.examples">MultiFileWordCount.MapClass</A></B></CODE> |
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| 298 | |
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| 299 | <BR> |
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| 300 | This Mapper is similar to the one in <A HREF="../../../../../org/apache/hadoop/examples/MultiFileWordCount.MapClass.html" title="class in org.apache.hadoop.examples"><CODE>MultiFileWordCount.MapClass</CODE></A>.</TD> |
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| 301 | </TR> |
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| 302 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 303 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 304 | <CODE>static class</CODE></FONT></TD> |
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| 305 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/examples/PiEstimator.PiMapper.html" title="class in org.apache.hadoop.examples">PiEstimator.PiMapper</A></B></CODE> |
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| 306 | |
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| 307 | <BR> |
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| 308 | Mapper class for Pi estimation.</TD> |
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| 309 | </TR> |
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| 310 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 311 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 312 | <CODE>static class</CODE></FONT></TD> |
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| 313 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/examples/PiEstimator.PiReducer.html" title="class in org.apache.hadoop.examples">PiEstimator.PiReducer</A></B></CODE> |
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| 314 | |
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| 315 | <BR> |
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| 316 | Reducer class for Pi estimation.</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> class</CODE></FONT></TD> |
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| 321 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/examples/SleepJob.html" title="class in org.apache.hadoop.examples">SleepJob</A></B></CODE> |
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| 322 | |
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| 323 | <BR> |
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| 324 | Dummy class for testing MR framefork.</TD> |
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| 325 | </TR> |
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| 326 | </TABLE> |
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| 327 | |
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| 328 | <P> |
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| 329 | <A NAME="org.apache.hadoop.examples.dancing"><!-- --></A> |
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| 330 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 331 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 332 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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| 333 | Uses of <A HREF="../../../../../org/apache/hadoop/io/Closeable.html" title="interface in org.apache.hadoop.io">Closeable</A> in <A HREF="../../../../../org/apache/hadoop/examples/dancing/package-summary.html">org.apache.hadoop.examples.dancing</A></FONT></TH> |
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| 334 | </TR> |
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| 335 | </TABLE> |
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| 336 | |
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| 337 | <P> |
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| 338 | |
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| 339 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 340 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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| 341 | <TH ALIGN="left" COLSPAN="2">Classes in <A HREF="../../../../../org/apache/hadoop/examples/dancing/package-summary.html">org.apache.hadoop.examples.dancing</A> that implement <A HREF="../../../../../org/apache/hadoop/io/Closeable.html" title="interface in org.apache.hadoop.io">Closeable</A></FONT></TH> |
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| 342 | </TR> |
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| 343 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 344 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 345 | <CODE>static class</CODE></FONT></TD> |
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| 346 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/examples/dancing/DistributedPentomino.PentMap.html" title="class in org.apache.hadoop.examples.dancing">DistributedPentomino.PentMap</A></B></CODE> |
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| 347 | |
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| 348 | <BR> |
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| 349 | Each map takes a line, which represents a prefix move and finds all of |
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| 350 | the solutions that start with that prefix.</TD> |
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| 351 | </TR> |
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| 352 | </TABLE> |
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| 353 | |
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| 354 | <P> |
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| 355 | <A NAME="org.apache.hadoop.examples.terasort"><!-- --></A> |
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| 356 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 357 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 358 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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| 359 | Uses of <A HREF="../../../../../org/apache/hadoop/io/Closeable.html" title="interface in org.apache.hadoop.io">Closeable</A> in <A HREF="../../../../../org/apache/hadoop/examples/terasort/package-summary.html">org.apache.hadoop.examples.terasort</A></FONT></TH> |
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| 360 | </TR> |
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| 361 | </TABLE> |
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| 362 | |
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| 363 | <P> |
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| 364 | |
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| 365 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 366 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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| 367 | <TH ALIGN="left" COLSPAN="2">Classes in <A HREF="../../../../../org/apache/hadoop/examples/terasort/package-summary.html">org.apache.hadoop.examples.terasort</A> that implement <A HREF="../../../../../org/apache/hadoop/io/Closeable.html" title="interface in org.apache.hadoop.io">Closeable</A></FONT></TH> |
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| 368 | </TR> |
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| 369 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 370 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 371 | <CODE>static class</CODE></FONT></TD> |
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| 372 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/examples/terasort/TeraGen.SortGenMapper.html" title="class in org.apache.hadoop.examples.terasort">TeraGen.SortGenMapper</A></B></CODE> |
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| 373 | |
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| 374 | <BR> |
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| 375 | The Mapper class that given a row number, will generate the appropriate |
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| 376 | output line.</TD> |
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| 377 | </TR> |
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| 378 | </TABLE> |
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| 379 | |
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| 380 | <P> |
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| 381 | <A NAME="org.apache.hadoop.mapred"><!-- --></A> |
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| 382 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 383 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 384 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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| 385 | Uses of <A HREF="../../../../../org/apache/hadoop/io/Closeable.html" title="interface in org.apache.hadoop.io">Closeable</A> in <A HREF="../../../../../org/apache/hadoop/mapred/package-summary.html">org.apache.hadoop.mapred</A></FONT></TH> |
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| 386 | </TR> |
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| 387 | </TABLE> |
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| 388 | |
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| 389 | <P> |
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| 390 | |
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| 391 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 392 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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| 393 | <TH ALIGN="left" COLSPAN="2">Subinterfaces of <A HREF="../../../../../org/apache/hadoop/io/Closeable.html" title="interface in org.apache.hadoop.io">Closeable</A> in <A HREF="../../../../../org/apache/hadoop/mapred/package-summary.html">org.apache.hadoop.mapred</A></FONT></TH> |
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| 394 | </TR> |
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| 395 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 396 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 397 | <CODE> interface</CODE></FONT></TD> |
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| 398 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/Mapper.html" title="interface in org.apache.hadoop.mapred">Mapper<K1,V1,K2,V2></A></B></CODE> |
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| 399 | |
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| 400 | <BR> |
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| 401 | <B>Deprecated.</B> <I>Use <A HREF="../../../../../org/apache/hadoop/mapreduce/Mapper.html" title="class in org.apache.hadoop.mapreduce"><CODE>Mapper</CODE></A> instead.</I></TD> |
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| 402 | </TR> |
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| 403 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 404 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 405 | <CODE> interface</CODE></FONT></TD> |
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| 406 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/Reducer.html" title="interface in org.apache.hadoop.mapred">Reducer<K2,V2,K3,V3></A></B></CODE> |
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| 407 | |
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| 408 | <BR> |
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| 409 | <B>Deprecated.</B> <I>Use <A HREF="../../../../../org/apache/hadoop/mapreduce/Reducer.html" title="class in org.apache.hadoop.mapreduce"><CODE>Reducer</CODE></A> instead.</I></TD> |
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| 410 | </TR> |
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| 411 | </TABLE> |
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| 412 | |
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| 413 | <P> |
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| 414 | <A NAME="org.apache.hadoop.mapred.lib"><!-- --></A> |
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| 415 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 416 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 417 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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| 418 | Uses of <A HREF="../../../../../org/apache/hadoop/io/Closeable.html" title="interface in org.apache.hadoop.io">Closeable</A> in <A HREF="../../../../../org/apache/hadoop/mapred/lib/package-summary.html">org.apache.hadoop.mapred.lib</A></FONT></TH> |
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| 419 | </TR> |
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| 420 | </TABLE> |
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| 421 | |
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| 422 | <P> |
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| 423 | |
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| 424 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 425 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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| 426 | <TH ALIGN="left" COLSPAN="2">Classes in <A HREF="../../../../../org/apache/hadoop/mapred/lib/package-summary.html">org.apache.hadoop.mapred.lib</A> that implement <A HREF="../../../../../org/apache/hadoop/io/Closeable.html" title="interface in org.apache.hadoop.io">Closeable</A></FONT></TH> |
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| 427 | </TR> |
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| 428 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 429 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 430 | <CODE> class</CODE></FONT></TD> |
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| 431 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/ChainMapper.html" title="class in org.apache.hadoop.mapred.lib">ChainMapper</A></B></CODE> |
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| 432 | |
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| 433 | <BR> |
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| 434 | The ChainMapper class allows to use multiple Mapper classes within a single |
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| 435 | Map task.</TD> |
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| 436 | </TR> |
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| 437 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 438 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 439 | <CODE> class</CODE></FONT></TD> |
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| 440 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/ChainReducer.html" title="class in org.apache.hadoop.mapred.lib">ChainReducer</A></B></CODE> |
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| 441 | |
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| 442 | <BR> |
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| 443 | The ChainReducer class allows to chain multiple Mapper classes after a |
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| 444 | Reducer within the Reducer task.</TD> |
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| 445 | </TR> |
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| 446 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 447 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 448 | <CODE> class</CODE></FONT></TD> |
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| 449 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/DelegatingMapper.html" title="class in org.apache.hadoop.mapred.lib">DelegatingMapper<K1,V1,K2,V2></A></B></CODE> |
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| 450 | |
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| 451 | <BR> |
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| 452 | An <A HREF="../../../../../org/apache/hadoop/mapred/Mapper.html" title="interface in org.apache.hadoop.mapred"><CODE>Mapper</CODE></A> that delegates behaviour of paths to multiple other |
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| 453 | mappers.</TD> |
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| 454 | </TR> |
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| 455 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 456 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 457 | <CODE> class</CODE></FONT></TD> |
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| 458 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/FieldSelectionMapReduce.html" title="class in org.apache.hadoop.mapred.lib">FieldSelectionMapReduce<K,V></A></B></CODE> |
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| 459 | |
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| 460 | <BR> |
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| 461 | This class implements a mapper/reducer class that can be used to perform |
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| 462 | field selections in a manner similar to unix cut.</TD> |
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| 463 | </TR> |
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| 464 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 465 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 466 | <CODE> class</CODE></FONT></TD> |
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| 467 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/IdentityMapper.html" title="class in org.apache.hadoop.mapred.lib">IdentityMapper<K,V></A></B></CODE> |
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| 468 | |
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| 469 | <BR> |
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| 470 | <B>Deprecated.</B> <I>Use <A HREF="../../../../../org/apache/hadoop/mapreduce/Mapper.html" title="class in org.apache.hadoop.mapreduce"><CODE>Mapper</CODE></A> instead.</I></TD> |
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| 471 | </TR> |
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| 472 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 473 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 474 | <CODE> class</CODE></FONT></TD> |
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| 475 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/IdentityReducer.html" title="class in org.apache.hadoop.mapred.lib">IdentityReducer<K,V></A></B></CODE> |
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| 476 | |
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| 477 | <BR> |
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| 478 | <B>Deprecated.</B> <I>Use <A HREF="../../../../../org/apache/hadoop/mapreduce/Reducer.html" title="class in org.apache.hadoop.mapreduce"><CODE>Reducer</CODE></A> instead.</I></TD> |
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| 479 | </TR> |
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| 480 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 481 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 482 | <CODE> class</CODE></FONT></TD> |
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| 483 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/InverseMapper.html" title="class in org.apache.hadoop.mapred.lib">InverseMapper<K,V></A></B></CODE> |
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| 484 | |
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| 485 | <BR> |
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| 486 | <B>Deprecated.</B> <I>Use <A HREF="../../../../../org/apache/hadoop/mapreduce/lib/map/InverseMapper.html" title="class in org.apache.hadoop.mapreduce.lib.map"><CODE>InverseMapper</CODE></A> |
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| 487 | instead.</I></TD> |
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| 488 | </TR> |
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| 489 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 490 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 491 | <CODE> class</CODE></FONT></TD> |
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| 492 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/LongSumReducer.html" title="class in org.apache.hadoop.mapred.lib">LongSumReducer<K></A></B></CODE> |
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| 493 | |
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| 494 | <BR> |
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| 495 | <B>Deprecated.</B> <I>Use <A HREF="../../../../../org/apache/hadoop/mapreduce/lib/reduce/LongSumReducer.html" title="class in org.apache.hadoop.mapreduce.lib.reduce"><CODE>LongSumReducer</CODE></A> |
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| 496 | instead.</I></TD> |
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| 497 | </TR> |
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| 498 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 499 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 500 | <CODE> class</CODE></FONT></TD> |
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| 501 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/RegexMapper.html" title="class in org.apache.hadoop.mapred.lib">RegexMapper<K></A></B></CODE> |
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| 502 | |
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| 503 | <BR> |
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| 504 | A <A HREF="../../../../../org/apache/hadoop/mapred/Mapper.html" title="interface in org.apache.hadoop.mapred"><CODE>Mapper</CODE></A> that extracts text matching a regular expression.</TD> |
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| 505 | </TR> |
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| 506 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 507 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 508 | <CODE> class</CODE></FONT></TD> |
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| 509 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/TokenCountMapper.html" title="class in org.apache.hadoop.mapred.lib">TokenCountMapper<K></A></B></CODE> |
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| 510 | |
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| 511 | <BR> |
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| 512 | <B>Deprecated.</B> <I>Use |
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| 513 | <A HREF="../../../../../org/apache/hadoop/mapreduce/lib/map/TokenCounterMapper.html" title="class in org.apache.hadoop.mapreduce.lib.map"><CODE>TokenCounterMapper</CODE></A> instead.</I></TD> |
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| 514 | </TR> |
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| 515 | </TABLE> |
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| 516 | |
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| 517 | <P> |
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| 518 | <A NAME="org.apache.hadoop.mapred.lib.aggregate"><!-- --></A> |
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| 519 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 520 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 521 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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| 522 | Uses of <A HREF="../../../../../org/apache/hadoop/io/Closeable.html" title="interface in org.apache.hadoop.io">Closeable</A> in <A HREF="../../../../../org/apache/hadoop/mapred/lib/aggregate/package-summary.html">org.apache.hadoop.mapred.lib.aggregate</A></FONT></TH> |
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| 523 | </TR> |
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| 524 | </TABLE> |
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| 525 | |
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| 526 | <P> |
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| 527 | |
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| 528 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 529 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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| 530 | <TH ALIGN="left" COLSPAN="2">Classes in <A HREF="../../../../../org/apache/hadoop/mapred/lib/aggregate/package-summary.html">org.apache.hadoop.mapred.lib.aggregate</A> that implement <A HREF="../../../../../org/apache/hadoop/io/Closeable.html" title="interface in org.apache.hadoop.io">Closeable</A></FONT></TH> |
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| 531 | </TR> |
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| 532 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 533 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 534 | <CODE> class</CODE></FONT></TD> |
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| 535 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/aggregate/ValueAggregatorCombiner.html" title="class in org.apache.hadoop.mapred.lib.aggregate">ValueAggregatorCombiner<K1 extends WritableComparable,V1 extends Writable></A></B></CODE> |
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| 536 | |
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| 537 | <BR> |
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| 538 | This class implements the generic combiner of Aggregate.</TD> |
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| 539 | </TR> |
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| 540 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 541 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 542 | <CODE> class</CODE></FONT></TD> |
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| 543 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/aggregate/ValueAggregatorJobBase.html" title="class in org.apache.hadoop.mapred.lib.aggregate">ValueAggregatorJobBase<K1 extends WritableComparable,V1 extends Writable></A></B></CODE> |
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| 544 | |
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| 545 | <BR> |
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| 546 | This abstract class implements some common functionalities of the |
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| 547 | the generic mapper, reducer and combiner classes of Aggregate.</TD> |
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| 548 | </TR> |
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| 549 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 550 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 551 | <CODE> class</CODE></FONT></TD> |
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| 552 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/aggregate/ValueAggregatorMapper.html" title="class in org.apache.hadoop.mapred.lib.aggregate">ValueAggregatorMapper<K1 extends WritableComparable,V1 extends Writable></A></B></CODE> |
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| 553 | |
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| 554 | <BR> |
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| 555 | This class implements the generic mapper of Aggregate.</TD> |
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| 556 | </TR> |
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| 557 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 558 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 559 | <CODE> class</CODE></FONT></TD> |
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| 560 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/aggregate/ValueAggregatorReducer.html" title="class in org.apache.hadoop.mapred.lib.aggregate">ValueAggregatorReducer<K1 extends WritableComparable,V1 extends Writable></A></B></CODE> |
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| 561 | |
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| 562 | <BR> |
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| 563 | This class implements the generic reducer of Aggregate.</TD> |
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| 564 | </TR> |
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| 565 | </TABLE> |
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| 566 | |
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| 567 | <P> |
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| 568 | <A NAME="org.apache.hadoop.streaming"><!-- --></A> |
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| 569 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 570 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 571 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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| 572 | Uses of <A HREF="../../../../../org/apache/hadoop/io/Closeable.html" title="interface in org.apache.hadoop.io">Closeable</A> in <A HREF="../../../../../org/apache/hadoop/streaming/package-summary.html">org.apache.hadoop.streaming</A></FONT></TH> |
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| 573 | </TR> |
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| 574 | </TABLE> |
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| 575 | |
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| 576 | <P> |
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| 577 | |
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| 578 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 579 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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| 580 | <TH ALIGN="left" COLSPAN="2">Classes in <A HREF="../../../../../org/apache/hadoop/streaming/package-summary.html">org.apache.hadoop.streaming</A> that implement <A HREF="../../../../../org/apache/hadoop/io/Closeable.html" title="interface in org.apache.hadoop.io">Closeable</A></FONT></TH> |
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| 581 | </TR> |
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| 582 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 583 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 584 | <CODE> class</CODE></FONT></TD> |
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| 585 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/streaming/PipeMapper.html" title="class in org.apache.hadoop.streaming">PipeMapper</A></B></CODE> |
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| 586 | |
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| 587 | <BR> |
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| 588 | A generic Mapper bridge.</TD> |
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| 589 | </TR> |
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| 590 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 591 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 592 | <CODE> class</CODE></FONT></TD> |
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| 593 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/streaming/PipeReducer.html" title="class in org.apache.hadoop.streaming">PipeReducer</A></B></CODE> |
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| 594 | |
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| 595 | <BR> |
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| 596 | A generic Reducer bridge.</TD> |
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| 597 | </TR> |
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| 598 | </TABLE> |
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| 600 | <P> |
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| 601 | <HR> |
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