[120] | 1 | <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> |
---|
| 2 | <!--NewPage--> |
---|
| 3 | <HTML> |
---|
| 4 | <HEAD> |
---|
| 5 | <!-- Generated by javadoc (build 1.6.0_07) on Tue Sep 01 20:56:57 UTC 2009 --> |
---|
| 6 | <TITLE> |
---|
| 7 | WrappedRecordReader (Hadoop 0.20.1 API) |
---|
| 8 | </TITLE> |
---|
| 9 | |
---|
| 10 | <META NAME="date" CONTENT="2009-09-01"> |
---|
| 11 | |
---|
| 12 | <LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../../stylesheet.css" TITLE="Style"> |
---|
| 13 | |
---|
| 14 | <SCRIPT type="text/javascript"> |
---|
| 15 | function windowTitle() |
---|
| 16 | { |
---|
| 17 | if (location.href.indexOf('is-external=true') == -1) { |
---|
| 18 | parent.document.title="WrappedRecordReader (Hadoop 0.20.1 API)"; |
---|
| 19 | } |
---|
| 20 | } |
---|
| 21 | </SCRIPT> |
---|
| 22 | <NOSCRIPT> |
---|
| 23 | </NOSCRIPT> |
---|
| 24 | |
---|
| 25 | </HEAD> |
---|
| 26 | |
---|
| 27 | <BODY BGCOLOR="white" onload="windowTitle();"> |
---|
| 28 | <HR> |
---|
| 29 | |
---|
| 30 | |
---|
| 31 | <!-- ========= START OF TOP NAVBAR ======= --> |
---|
| 32 | <A NAME="navbar_top"><!-- --></A> |
---|
| 33 | <A HREF="#skip-navbar_top" title="Skip navigation links"></A> |
---|
| 34 | <TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""> |
---|
| 35 | <TR> |
---|
| 36 | <TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> |
---|
| 37 | <A NAME="navbar_top_firstrow"><!-- --></A> |
---|
| 38 | <TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> |
---|
| 39 | <TR ALIGN="center" VALIGN="top"> |
---|
| 40 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> |
---|
| 41 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> |
---|
| 42 | <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> |
---|
| 43 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/WrappedRecordReader.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> |
---|
| 44 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> |
---|
| 45 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> |
---|
| 46 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> |
---|
| 47 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> |
---|
| 48 | </TR> |
---|
| 49 | </TABLE> |
---|
| 50 | </TD> |
---|
| 51 | <TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM> |
---|
| 52 | </EM> |
---|
| 53 | </TD> |
---|
| 54 | </TR> |
---|
| 55 | |
---|
| 56 | <TR> |
---|
| 57 | <TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> |
---|
| 58 | <A HREF="../../../../../org/apache/hadoop/mapred/join/TupleWritable.html" title="class in org.apache.hadoop.mapred.join"><B>PREV CLASS</B></A> |
---|
| 59 | NEXT CLASS</FONT></TD> |
---|
| 60 | <TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> |
---|
| 61 | <A HREF="../../../../../index.html?org/apache/hadoop/mapred/join/WrappedRecordReader.html" target="_top"><B>FRAMES</B></A> |
---|
| 62 | <A HREF="WrappedRecordReader.html" target="_top"><B>NO FRAMES</B></A> |
---|
| 63 | <SCRIPT type="text/javascript"> |
---|
| 64 | <!-- |
---|
| 65 | if(window==top) { |
---|
| 66 | document.writeln('<A HREF="../../../../../allclasses-noframe.html"><B>All Classes</B></A>'); |
---|
| 67 | } |
---|
| 68 | //--> |
---|
| 69 | </SCRIPT> |
---|
| 70 | <NOSCRIPT> |
---|
| 71 | <A HREF="../../../../../allclasses-noframe.html"><B>All Classes</B></A> |
---|
| 72 | </NOSCRIPT> |
---|
| 73 | |
---|
| 74 | |
---|
| 75 | </FONT></TD> |
---|
| 76 | </TR> |
---|
| 77 | <TR> |
---|
| 78 | <TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> |
---|
| 79 | SUMMARY: NESTED | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD> |
---|
| 80 | <TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> |
---|
| 81 | DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD> |
---|
| 82 | </TR> |
---|
| 83 | </TABLE> |
---|
| 84 | <A NAME="skip-navbar_top"></A> |
---|
| 85 | <!-- ========= END OF TOP NAVBAR ========= --> |
---|
| 86 | |
---|
| 87 | <HR> |
---|
| 88 | <!-- ======== START OF CLASS DATA ======== --> |
---|
| 89 | <H2> |
---|
| 90 | <FONT SIZE="-1"> |
---|
| 91 | org.apache.hadoop.mapred.join</FONT> |
---|
| 92 | <BR> |
---|
| 93 | Class WrappedRecordReader<K extends <A HREF="../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</A>,U extends <A HREF="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</A>></H2> |
---|
| 94 | <PRE> |
---|
| 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> |
---|
| 96 | <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.hadoop.mapred.join.WrappedRecordReader<K,U></B> |
---|
| 97 | </PRE> |
---|
| 98 | <DL> |
---|
| 99 | <DT><B>All Implemented Interfaces:</B> <DD><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang">Comparable</A><<A HREF="../../../../../org/apache/hadoop/mapred/join/ComposableRecordReader.html" title="interface in org.apache.hadoop.mapred.join">ComposableRecordReader</A><K,?>>, <A HREF="../../../../../org/apache/hadoop/mapred/join/ComposableRecordReader.html" title="interface in org.apache.hadoop.mapred.join">ComposableRecordReader</A><K,U>, <A HREF="../../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred">RecordReader</A><K,U></DD> |
---|
| 100 | </DL> |
---|
| 101 | <HR> |
---|
| 102 | <DL> |
---|
| 103 | <DT><PRE>public class <B>WrappedRecordReader<K extends <A HREF="../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</A>,U extends <A HREF="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</A>></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="../../../../../org/apache/hadoop/mapred/join/ComposableRecordReader.html" title="interface in org.apache.hadoop.mapred.join">ComposableRecordReader</A><K,U></DL> |
---|
| 104 | </PRE> |
---|
| 105 | |
---|
| 106 | <P> |
---|
| 107 | Proxy class for a RecordReader participating in the join framework. |
---|
| 108 | This class keeps track of the "head" key-value pair for the |
---|
| 109 | provided RecordReader and keeps a store of values matching a key when |
---|
| 110 | this source is participating in a join. |
---|
| 111 | <P> |
---|
| 112 | |
---|
| 113 | <P> |
---|
| 114 | <HR> |
---|
| 115 | |
---|
| 116 | <P> |
---|
| 117 | |
---|
| 118 | <!-- ========== METHOD SUMMARY =========== --> |
---|
| 119 | |
---|
| 120 | <A NAME="method_summary"><!-- --></A> |
---|
| 121 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
---|
| 122 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
---|
| 123 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
---|
| 124 | <B>Method Summary</B></FONT></TH> |
---|
| 125 | </TR> |
---|
| 126 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 127 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 128 | <CODE> void</CODE></FONT></TD> |
---|
| 129 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html#accept(org.apache.hadoop.mapred.join.CompositeRecordReader.JoinCollector, K)">accept</A></B>(org.apache.hadoop.mapred.join.CompositeRecordReader.JoinCollector i, |
---|
| 130 | <A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">K</A> key)</CODE> |
---|
| 131 | |
---|
| 132 | <BR> |
---|
| 133 | Add an iterator to the collector at the position occupied by this |
---|
| 134 | RecordReader over the values in this stream paired with the key |
---|
| 135 | provided (ie register a stream of values from this source matching K |
---|
| 136 | with a collector).</TD> |
---|
| 137 | </TR> |
---|
| 138 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 139 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 140 | <CODE> void</CODE></FONT></TD> |
---|
| 141 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html#close()">close</A></B>()</CODE> |
---|
| 142 | |
---|
| 143 | <BR> |
---|
| 144 | Forward close request to proxied RR.</TD> |
---|
| 145 | </TR> |
---|
| 146 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 147 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 148 | <CODE> int</CODE></FONT></TD> |
---|
| 149 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html#compareTo(org.apache.hadoop.mapred.join.ComposableRecordReader)">compareTo</A></B>(<A HREF="../../../../../org/apache/hadoop/mapred/join/ComposableRecordReader.html" title="interface in org.apache.hadoop.mapred.join">ComposableRecordReader</A><<A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">K</A>,?> other)</CODE> |
---|
| 150 | |
---|
| 151 | <BR> |
---|
| 152 | Implement Comparable contract (compare key at head of proxied RR |
---|
| 153 | with that of another).</TD> |
---|
| 154 | </TR> |
---|
| 155 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 156 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 157 | <CODE> <A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">K</A></CODE></FONT></TD> |
---|
| 158 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html#createKey()">createKey</A></B>()</CODE> |
---|
| 159 | |
---|
| 160 | <BR> |
---|
| 161 | Request new key from proxied RR.</TD> |
---|
| 162 | </TR> |
---|
| 163 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 164 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 165 | <CODE> <A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">U</A></CODE></FONT></TD> |
---|
| 166 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html#createValue()">createValue</A></B>()</CODE> |
---|
| 167 | |
---|
| 168 | <BR> |
---|
| 169 | Request new value from proxied RR.</TD> |
---|
| 170 | </TR> |
---|
| 171 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 172 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 173 | <CODE> boolean</CODE></FONT></TD> |
---|
| 174 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html#equals(java.lang.Object)">equals</A></B>(<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> other)</CODE> |
---|
| 175 | |
---|
| 176 | <BR> |
---|
| 177 | Return true iff compareTo(other) retn true.</TD> |
---|
| 178 | </TR> |
---|
| 179 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 180 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 181 | <CODE> long</CODE></FONT></TD> |
---|
| 182 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html#getPos()">getPos</A></B>()</CODE> |
---|
| 183 | |
---|
| 184 | <BR> |
---|
| 185 | Request position from proxied RR.</TD> |
---|
| 186 | </TR> |
---|
| 187 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 188 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 189 | <CODE> float</CODE></FONT></TD> |
---|
| 190 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html#getProgress()">getProgress</A></B>()</CODE> |
---|
| 191 | |
---|
| 192 | <BR> |
---|
| 193 | Request progress from proxied RR.</TD> |
---|
| 194 | </TR> |
---|
| 195 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 196 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 197 | <CODE> int</CODE></FONT></TD> |
---|
| 198 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html#hashCode()">hashCode</A></B>()</CODE> |
---|
| 199 | |
---|
| 200 | <BR> |
---|
| 201 | </TD> |
---|
| 202 | </TR> |
---|
| 203 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 204 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 205 | <CODE> boolean</CODE></FONT></TD> |
---|
| 206 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html#hasNext()">hasNext</A></B>()</CODE> |
---|
| 207 | |
---|
| 208 | <BR> |
---|
| 209 | Return true if the RR- including the k,v pair stored in this object- |
---|
| 210 | is exhausted.</TD> |
---|
| 211 | </TR> |
---|
| 212 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 213 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 214 | <CODE> int</CODE></FONT></TD> |
---|
| 215 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html#id()">id</A></B>()</CODE> |
---|
| 216 | |
---|
| 217 | <BR> |
---|
| 218 | Return the position in the collector this class occupies.</TD> |
---|
| 219 | </TR> |
---|
| 220 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 221 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 222 | <CODE> <A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">K</A></CODE></FONT></TD> |
---|
| 223 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html#key()">key</A></B>()</CODE> |
---|
| 224 | |
---|
| 225 | <BR> |
---|
| 226 | Return the key at the head of this RR.</TD> |
---|
| 227 | </TR> |
---|
| 228 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 229 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 230 | <CODE> void</CODE></FONT></TD> |
---|
| 231 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html#key(K)">key</A></B>(<A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">K</A> qkey)</CODE> |
---|
| 232 | |
---|
| 233 | <BR> |
---|
| 234 | Clone the key at the head of this RR into the object supplied.</TD> |
---|
| 235 | </TR> |
---|
| 236 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 237 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 238 | <CODE>protected boolean</CODE></FONT></TD> |
---|
| 239 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html#next()">next</A></B>()</CODE> |
---|
| 240 | |
---|
| 241 | <BR> |
---|
| 242 | Read the next k,v pair into the head of this object; return true iff |
---|
| 243 | the RR and this are exhausted.</TD> |
---|
| 244 | </TR> |
---|
| 245 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 246 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 247 | <CODE> boolean</CODE></FONT></TD> |
---|
| 248 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html#next(K, U)">next</A></B>(<A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">K</A> key, |
---|
| 249 | <A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">U</A> value)</CODE> |
---|
| 250 | |
---|
| 251 | <BR> |
---|
| 252 | Write key-value pair at the head of this stream to the objects provided; |
---|
| 253 | get next key-value pair from proxied RR.</TD> |
---|
| 254 | </TR> |
---|
| 255 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 256 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 257 | <CODE> void</CODE></FONT></TD> |
---|
| 258 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html#skip(K)">skip</A></B>(<A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">K</A> key)</CODE> |
---|
| 259 | |
---|
| 260 | <BR> |
---|
| 261 | Skip key-value pairs with keys less than or equal to the key provided.</TD> |
---|
| 262 | </TR> |
---|
| 263 | </TABLE> |
---|
| 264 | <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A> |
---|
| 265 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
---|
| 266 | <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> |
---|
| 267 | <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> |
---|
| 268 | </TR> |
---|
| 269 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 270 | <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#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#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#toString()" title="class or interface in java.lang">toString</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> |
---|
| 271 | </TR> |
---|
| 272 | </TABLE> |
---|
| 273 | |
---|
| 274 | <P> |
---|
| 275 | |
---|
| 276 | <!-- ============ METHOD DETAIL ========== --> |
---|
| 277 | |
---|
| 278 | <A NAME="method_detail"><!-- --></A> |
---|
| 279 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
---|
| 280 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
---|
| 281 | <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
---|
| 282 | <B>Method Detail</B></FONT></TH> |
---|
| 283 | </TR> |
---|
| 284 | </TABLE> |
---|
| 285 | |
---|
| 286 | <A NAME="id()"><!-- --></A><H3> |
---|
| 287 | id</H3> |
---|
| 288 | <PRE> |
---|
| 289 | public int <B>id</B>()</PRE> |
---|
| 290 | <DL> |
---|
| 291 | <DD>Return the position in the collector this class occupies. |
---|
| 292 | <P> |
---|
| 293 | <DD><DL> |
---|
| 294 | <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/hadoop/mapred/join/ComposableRecordReader.html#id()">id</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/hadoop/mapred/join/ComposableRecordReader.html" title="interface in org.apache.hadoop.mapred.join">ComposableRecordReader</A><<A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">K</A> extends <A HREF="../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</A>,<A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">U</A> extends <A HREF="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</A>></CODE></DL> |
---|
| 295 | </DD> |
---|
| 296 | <DD><DL> |
---|
| 297 | </DL> |
---|
| 298 | </DD> |
---|
| 299 | </DL> |
---|
| 300 | <HR> |
---|
| 301 | |
---|
| 302 | <A NAME="key()"><!-- --></A><H3> |
---|
| 303 | key</H3> |
---|
| 304 | <PRE> |
---|
| 305 | public <A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">K</A> <B>key</B>()</PRE> |
---|
| 306 | <DL> |
---|
| 307 | <DD>Return the key at the head of this RR. |
---|
| 308 | <P> |
---|
| 309 | <DD><DL> |
---|
| 310 | <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/hadoop/mapred/join/ComposableRecordReader.html#key()">key</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/hadoop/mapred/join/ComposableRecordReader.html" title="interface in org.apache.hadoop.mapred.join">ComposableRecordReader</A><<A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">K</A> extends <A HREF="../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</A>,<A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">U</A> extends <A HREF="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</A>></CODE></DL> |
---|
| 311 | </DD> |
---|
| 312 | <DD><DL> |
---|
| 313 | </DL> |
---|
| 314 | </DD> |
---|
| 315 | </DL> |
---|
| 316 | <HR> |
---|
| 317 | |
---|
| 318 | <A NAME="key(org.apache.hadoop.io.WritableComparable)"><!-- --></A><A NAME="key(K)"><!-- --></A><H3> |
---|
| 319 | key</H3> |
---|
| 320 | <PRE> |
---|
| 321 | public void <B>key</B>(<A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">K</A> qkey) |
---|
| 322 | 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> |
---|
| 323 | <DL> |
---|
| 324 | <DD>Clone the key at the head of this RR into the object supplied. |
---|
| 325 | <P> |
---|
| 326 | <DD><DL> |
---|
| 327 | <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/hadoop/mapred/join/ComposableRecordReader.html#key(K)">key</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/hadoop/mapred/join/ComposableRecordReader.html" title="interface in org.apache.hadoop.mapred.join">ComposableRecordReader</A><<A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">K</A> extends <A HREF="../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</A>,<A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">U</A> extends <A HREF="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</A>></CODE></DL> |
---|
| 328 | </DD> |
---|
| 329 | <DD><DL> |
---|
| 330 | |
---|
| 331 | <DT><B>Throws:</B> |
---|
| 332 | <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> |
---|
| 333 | </DD> |
---|
| 334 | </DL> |
---|
| 335 | <HR> |
---|
| 336 | |
---|
| 337 | <A NAME="hasNext()"><!-- --></A><H3> |
---|
| 338 | hasNext</H3> |
---|
| 339 | <PRE> |
---|
| 340 | public boolean <B>hasNext</B>()</PRE> |
---|
| 341 | <DL> |
---|
| 342 | <DD>Return true if the RR- including the k,v pair stored in this object- |
---|
| 343 | is exhausted. |
---|
| 344 | <P> |
---|
| 345 | <DD><DL> |
---|
| 346 | <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/hadoop/mapred/join/ComposableRecordReader.html#hasNext()">hasNext</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/hadoop/mapred/join/ComposableRecordReader.html" title="interface in org.apache.hadoop.mapred.join">ComposableRecordReader</A><<A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">K</A> extends <A HREF="../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</A>,<A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">U</A> extends <A HREF="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</A>></CODE></DL> |
---|
| 347 | </DD> |
---|
| 348 | <DD><DL> |
---|
| 349 | </DL> |
---|
| 350 | </DD> |
---|
| 351 | </DL> |
---|
| 352 | <HR> |
---|
| 353 | |
---|
| 354 | <A NAME="skip(org.apache.hadoop.io.WritableComparable)"><!-- --></A><A NAME="skip(K)"><!-- --></A><H3> |
---|
| 355 | skip</H3> |
---|
| 356 | <PRE> |
---|
| 357 | public void <B>skip</B>(<A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">K</A> key) |
---|
| 358 | 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> |
---|
| 359 | <DL> |
---|
| 360 | <DD>Skip key-value pairs with keys less than or equal to the key provided. |
---|
| 361 | <P> |
---|
| 362 | <DD><DL> |
---|
| 363 | <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/hadoop/mapred/join/ComposableRecordReader.html#skip(K)">skip</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/hadoop/mapred/join/ComposableRecordReader.html" title="interface in org.apache.hadoop.mapred.join">ComposableRecordReader</A><<A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">K</A> extends <A HREF="../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</A>,<A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">U</A> extends <A HREF="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</A>></CODE></DL> |
---|
| 364 | </DD> |
---|
| 365 | <DD><DL> |
---|
| 366 | |
---|
| 367 | <DT><B>Throws:</B> |
---|
| 368 | <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> |
---|
| 369 | </DD> |
---|
| 370 | </DL> |
---|
| 371 | <HR> |
---|
| 372 | |
---|
| 373 | <A NAME="next()"><!-- --></A><H3> |
---|
| 374 | next</H3> |
---|
| 375 | <PRE> |
---|
| 376 | protected boolean <B>next</B>() |
---|
| 377 | 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> |
---|
| 378 | <DL> |
---|
| 379 | <DD>Read the next k,v pair into the head of this object; return true iff |
---|
| 380 | the RR and this are exhausted. |
---|
| 381 | <P> |
---|
| 382 | <DD><DL> |
---|
| 383 | </DL> |
---|
| 384 | </DD> |
---|
| 385 | <DD><DL> |
---|
| 386 | |
---|
| 387 | <DT><B>Throws:</B> |
---|
| 388 | <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> |
---|
| 389 | </DD> |
---|
| 390 | </DL> |
---|
| 391 | <HR> |
---|
| 392 | |
---|
| 393 | <A NAME="accept(org.apache.hadoop.mapred.join.CompositeRecordReader.JoinCollector,org.apache.hadoop.io.WritableComparable)"><!-- --></A><A NAME="accept(org.apache.hadoop.mapred.join.CompositeRecordReader.JoinCollector, K)"><!-- --></A><H3> |
---|
| 394 | accept</H3> |
---|
| 395 | <PRE> |
---|
| 396 | public void <B>accept</B>(org.apache.hadoop.mapred.join.CompositeRecordReader.JoinCollector i, |
---|
| 397 | <A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">K</A> key) |
---|
| 398 | 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> |
---|
| 399 | <DL> |
---|
| 400 | <DD>Add an iterator to the collector at the position occupied by this |
---|
| 401 | RecordReader over the values in this stream paired with the key |
---|
| 402 | provided (ie register a stream of values from this source matching K |
---|
| 403 | with a collector). |
---|
| 404 | <P> |
---|
| 405 | <DD><DL> |
---|
| 406 | <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/hadoop/mapred/join/ComposableRecordReader.html#accept(org.apache.hadoop.mapred.join.CompositeRecordReader.JoinCollector, K)">accept</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/hadoop/mapred/join/ComposableRecordReader.html" title="interface in org.apache.hadoop.mapred.join">ComposableRecordReader</A><<A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">K</A> extends <A HREF="../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</A>,<A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">U</A> extends <A HREF="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</A>></CODE></DL> |
---|
| 407 | </DD> |
---|
| 408 | <DD><DL> |
---|
| 409 | |
---|
| 410 | <DT><B>Throws:</B> |
---|
| 411 | <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> |
---|
| 412 | </DD> |
---|
| 413 | </DL> |
---|
| 414 | <HR> |
---|
| 415 | |
---|
| 416 | <A NAME="next(org.apache.hadoop.io.WritableComparable,org.apache.hadoop.io.Writable)"><!-- --></A><A NAME="next(K, U)"><!-- --></A><H3> |
---|
| 417 | next</H3> |
---|
| 418 | <PRE> |
---|
| 419 | public boolean <B>next</B>(<A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">K</A> key, |
---|
| 420 | <A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">U</A> value) |
---|
| 421 | 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> |
---|
| 422 | <DL> |
---|
| 423 | <DD>Write key-value pair at the head of this stream to the objects provided; |
---|
| 424 | get next key-value pair from proxied RR. |
---|
| 425 | <P> |
---|
| 426 | <DD><DL> |
---|
| 427 | <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/hadoop/mapred/RecordReader.html#next(K, V)">next</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred">RecordReader</A><<A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">K</A> extends <A HREF="../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</A>,<A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">U</A> extends <A HREF="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</A>></CODE></DL> |
---|
| 428 | </DD> |
---|
| 429 | <DD><DL> |
---|
| 430 | <DT><B>Parameters:</B><DD><CODE>key</CODE> - the key to read data into<DD><CODE>value</CODE> - the value to read data into |
---|
| 431 | <DT><B>Returns:</B><DD>true iff a key/value was read, false if at EOF |
---|
| 432 | <DT><B>Throws:</B> |
---|
| 433 | <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> |
---|
| 434 | </DD> |
---|
| 435 | </DL> |
---|
| 436 | <HR> |
---|
| 437 | |
---|
| 438 | <A NAME="createKey()"><!-- --></A><H3> |
---|
| 439 | createKey</H3> |
---|
| 440 | <PRE> |
---|
| 441 | public <A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">K</A> <B>createKey</B>()</PRE> |
---|
| 442 | <DL> |
---|
| 443 | <DD>Request new key from proxied RR. |
---|
| 444 | <P> |
---|
| 445 | <DD><DL> |
---|
| 446 | <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/hadoop/mapred/RecordReader.html#createKey()">createKey</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred">RecordReader</A><<A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">K</A> extends <A HREF="../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</A>,<A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">U</A> extends <A HREF="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</A>></CODE></DL> |
---|
| 447 | </DD> |
---|
| 448 | <DD><DL> |
---|
| 449 | |
---|
| 450 | <DT><B>Returns:</B><DD>a new key object.</DL> |
---|
| 451 | </DD> |
---|
| 452 | </DL> |
---|
| 453 | <HR> |
---|
| 454 | |
---|
| 455 | <A NAME="createValue()"><!-- --></A><H3> |
---|
| 456 | createValue</H3> |
---|
| 457 | <PRE> |
---|
| 458 | public <A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">U</A> <B>createValue</B>()</PRE> |
---|
| 459 | <DL> |
---|
| 460 | <DD>Request new value from proxied RR. |
---|
| 461 | <P> |
---|
| 462 | <DD><DL> |
---|
| 463 | <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/hadoop/mapred/RecordReader.html#createValue()">createValue</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred">RecordReader</A><<A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">K</A> extends <A HREF="../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</A>,<A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">U</A> extends <A HREF="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</A>></CODE></DL> |
---|
| 464 | </DD> |
---|
| 465 | <DD><DL> |
---|
| 466 | |
---|
| 467 | <DT><B>Returns:</B><DD>a new value object.</DL> |
---|
| 468 | </DD> |
---|
| 469 | </DL> |
---|
| 470 | <HR> |
---|
| 471 | |
---|
| 472 | <A NAME="getProgress()"><!-- --></A><H3> |
---|
| 473 | getProgress</H3> |
---|
| 474 | <PRE> |
---|
| 475 | public float <B>getProgress</B>() |
---|
| 476 | 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> |
---|
| 477 | <DL> |
---|
| 478 | <DD>Request progress from proxied RR. |
---|
| 479 | <P> |
---|
| 480 | <DD><DL> |
---|
| 481 | <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/hadoop/mapred/RecordReader.html#getProgress()">getProgress</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred">RecordReader</A><<A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">K</A> extends <A HREF="../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</A>,<A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">U</A> extends <A HREF="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</A>></CODE></DL> |
---|
| 482 | </DD> |
---|
| 483 | <DD><DL> |
---|
| 484 | |
---|
| 485 | <DT><B>Returns:</B><DD>progress from <code>0.0</code> to <code>1.0</code>. |
---|
| 486 | <DT><B>Throws:</B> |
---|
| 487 | <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> |
---|
| 488 | </DD> |
---|
| 489 | </DL> |
---|
| 490 | <HR> |
---|
| 491 | |
---|
| 492 | <A NAME="getPos()"><!-- --></A><H3> |
---|
| 493 | getPos</H3> |
---|
| 494 | <PRE> |
---|
| 495 | public long <B>getPos</B>() |
---|
| 496 | 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> |
---|
| 497 | <DL> |
---|
| 498 | <DD>Request position from proxied RR. |
---|
| 499 | <P> |
---|
| 500 | <DD><DL> |
---|
| 501 | <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/hadoop/mapred/RecordReader.html#getPos()">getPos</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred">RecordReader</A><<A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">K</A> extends <A HREF="../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</A>,<A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">U</A> extends <A HREF="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</A>></CODE></DL> |
---|
| 502 | </DD> |
---|
| 503 | <DD><DL> |
---|
| 504 | |
---|
| 505 | <DT><B>Returns:</B><DD>the current position in the input. |
---|
| 506 | <DT><B>Throws:</B> |
---|
| 507 | <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> |
---|
| 508 | </DD> |
---|
| 509 | </DL> |
---|
| 510 | <HR> |
---|
| 511 | |
---|
| 512 | <A NAME="close()"><!-- --></A><H3> |
---|
| 513 | close</H3> |
---|
| 514 | <PRE> |
---|
| 515 | public void <B>close</B>() |
---|
| 516 | 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> |
---|
| 517 | <DL> |
---|
| 518 | <DD>Forward close request to proxied RR. |
---|
| 519 | <P> |
---|
| 520 | <DD><DL> |
---|
| 521 | <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/hadoop/mapred/RecordReader.html#close()">close</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred">RecordReader</A><<A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">K</A> extends <A HREF="../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</A>,<A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">U</A> extends <A HREF="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</A>></CODE></DL> |
---|
| 522 | </DD> |
---|
| 523 | <DD><DL> |
---|
| 524 | |
---|
| 525 | <DT><B>Throws:</B> |
---|
| 526 | <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> |
---|
| 527 | </DD> |
---|
| 528 | </DL> |
---|
| 529 | <HR> |
---|
| 530 | |
---|
| 531 | <A NAME="compareTo(org.apache.hadoop.mapred.join.ComposableRecordReader)"><!-- --></A><H3> |
---|
| 532 | compareTo</H3> |
---|
| 533 | <PRE> |
---|
| 534 | public int <B>compareTo</B>(<A HREF="../../../../../org/apache/hadoop/mapred/join/ComposableRecordReader.html" title="interface in org.apache.hadoop.mapred.join">ComposableRecordReader</A><<A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">K</A>,?> other)</PRE> |
---|
| 535 | <DL> |
---|
| 536 | <DD>Implement Comparable contract (compare key at head of proxied RR |
---|
| 537 | with that of another). |
---|
| 538 | <P> |
---|
| 539 | <DD><DL> |
---|
| 540 | <DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Comparable.html?is-external=true#compareTo(T)" title="class or interface in java.lang">compareTo</A></CODE> in interface <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang">Comparable</A><<A HREF="../../../../../org/apache/hadoop/mapred/join/ComposableRecordReader.html" title="interface in org.apache.hadoop.mapred.join">ComposableRecordReader</A><<A HREF="../../../../../org/apache/hadoop/mapred/join/WrappedRecordReader.html" title="type parameter in WrappedRecordReader">K</A> extends <A HREF="../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</A>,?>></CODE></DL> |
---|
| 541 | </DD> |
---|
| 542 | <DD><DL> |
---|
| 543 | </DL> |
---|
| 544 | </DD> |
---|
| 545 | </DL> |
---|
| 546 | <HR> |
---|
| 547 | |
---|
| 548 | <A NAME="equals(java.lang.Object)"><!-- --></A><H3> |
---|
| 549 | equals</H3> |
---|
| 550 | <PRE> |
---|
| 551 | public boolean <B>equals</B>(<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> other)</PRE> |
---|
| 552 | <DL> |
---|
| 553 | <DD>Return true iff compareTo(other) retn true. |
---|
| 554 | <P> |
---|
| 555 | <DD><DL> |
---|
| 556 | <DT><B>Overrides:</B><DD><CODE><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></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> |
---|
| 557 | </DD> |
---|
| 558 | <DD><DL> |
---|
| 559 | </DL> |
---|
| 560 | </DD> |
---|
| 561 | </DL> |
---|
| 562 | <HR> |
---|
| 563 | |
---|
| 564 | <A NAME="hashCode()"><!-- --></A><H3> |
---|
| 565 | hashCode</H3> |
---|
| 566 | <PRE> |
---|
| 567 | public int <B>hashCode</B>()</PRE> |
---|
| 568 | <DL> |
---|
| 569 | <DD><DL> |
---|
| 570 | <DT><B>Overrides:</B><DD><CODE><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></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> |
---|
| 571 | </DD> |
---|
| 572 | <DD><DL> |
---|
| 573 | </DL> |
---|
| 574 | </DD> |
---|
| 575 | </DL> |
---|
| 576 | <!-- ========= END OF CLASS DATA ========= --> |
---|
| 577 | <HR> |
---|
| 578 | |
---|
| 579 | |
---|
| 580 | <!-- ======= START OF BOTTOM NAVBAR ====== --> |
---|
| 581 | <A NAME="navbar_bottom"><!-- --></A> |
---|
| 582 | <A HREF="#skip-navbar_bottom" title="Skip navigation links"></A> |
---|
| 583 | <TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""> |
---|
| 584 | <TR> |
---|
| 585 | <TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> |
---|
| 586 | <A NAME="navbar_bottom_firstrow"><!-- --></A> |
---|
| 587 | <TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> |
---|
| 588 | <TR ALIGN="center" VALIGN="top"> |
---|
| 589 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> |
---|
| 590 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> |
---|
| 591 | <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> |
---|
| 592 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/WrappedRecordReader.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> |
---|
| 593 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> |
---|
| 594 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> |
---|
| 595 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> |
---|
| 596 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> |
---|
| 597 | </TR> |
---|
| 598 | </TABLE> |
---|
| 599 | </TD> |
---|
| 600 | <TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM> |
---|
| 601 | </EM> |
---|
| 602 | </TD> |
---|
| 603 | </TR> |
---|
| 604 | |
---|
| 605 | <TR> |
---|
| 606 | <TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> |
---|
| 607 | <A HREF="../../../../../org/apache/hadoop/mapred/join/TupleWritable.html" title="class in org.apache.hadoop.mapred.join"><B>PREV CLASS</B></A> |
---|
| 608 | NEXT CLASS</FONT></TD> |
---|
| 609 | <TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> |
---|
| 610 | <A HREF="../../../../../index.html?org/apache/hadoop/mapred/join/WrappedRecordReader.html" target="_top"><B>FRAMES</B></A> |
---|
| 611 | <A HREF="WrappedRecordReader.html" target="_top"><B>NO FRAMES</B></A> |
---|
| 612 | <SCRIPT type="text/javascript"> |
---|
| 613 | <!-- |
---|
| 614 | if(window==top) { |
---|
| 615 | document.writeln('<A HREF="../../../../../allclasses-noframe.html"><B>All Classes</B></A>'); |
---|
| 616 | } |
---|
| 617 | //--> |
---|
| 618 | </SCRIPT> |
---|
| 619 | <NOSCRIPT> |
---|
| 620 | <A HREF="../../../../../allclasses-noframe.html"><B>All Classes</B></A> |
---|
| 621 | </NOSCRIPT> |
---|
| 622 | |
---|
| 623 | |
---|
| 624 | </FONT></TD> |
---|
| 625 | </TR> |
---|
| 626 | <TR> |
---|
| 627 | <TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> |
---|
| 628 | SUMMARY: NESTED | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD> |
---|
| 629 | <TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> |
---|
| 630 | DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD> |
---|
| 631 | </TR> |
---|
| 632 | </TABLE> |
---|
| 633 | <A NAME="skip-navbar_bottom"></A> |
---|
| 634 | <!-- ======== END OF BOTTOM NAVBAR ======= --> |
---|
| 635 | |
---|
| 636 | <HR> |
---|
| 637 | Copyright © 2009 The Apache Software Foundation |
---|
| 638 | </BODY> |
---|
| 639 | </HTML> |
---|