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| 10 | org.apache.hadoop.mapred.join.CompositeRecordReader |
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| 21 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../api/org/apache/hadoop/mapred/join/CompositeRecordReader.html" target="_top"><FONT CLASS="NavBarFont1"><B><tt>hadoop 0.20.1</tt></B></FONT></A> </TD> |
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| 39 | <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell3"><FONT SIZE="-2"> DETAIL: |
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| 40 | <a href="#constructors">CONSTRUCTORS</a> | |
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| 48 | <H2> |
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| 49 | Class org.apache.hadoop.mapred.join.<A HREF="../../api/org/apache/hadoop/mapred/join/CompositeRecordReader.html" target="_top"><tt>CompositeRecordReader</tt></A> |
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| 50 | </H2> |
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| 51 | <a NAME="constructors"></a> |
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| 52 | <p> |
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| 53 | <a NAME="Changed"></a> |
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| 54 | <TABLE summary="Changed Constructors" BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"> |
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| 55 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 56 | <TD VALIGN="TOP" COLSPAN=3><FONT SIZE="+1"><B>Changed Constructors</B></FONT></TD> |
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| 57 | </TR> |
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| 58 | <TR BGCOLOR="#FFFFFF" CLASS="TableRowColor"> |
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| 59 | <TD VALIGN="TOP" WIDTH="25%"> |
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| 60 | <A NAME="org.apache.hadoop.mapred.join.CompositeRecordReader.ctor_changed(int, int, java.lang.Class)"></A> |
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| 61 | <nobr><A HREF="../../api/org/apache/hadoop/mapred/join/CompositeRecordReader.html#CompositeRecordReader(int, int, java.lang.Class)" target="_top"><tt>CompositeRecordReader</tt></A>(<code>int,</nobr> int<nobr>,</nobr> Class<nobr><nobr></code>) </nobr> |
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| 62 | </TD> |
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| 63 | <TD VALIGN="TOP" WIDTH="30%"> |
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| 64 | Change in type from (<code>int, int, Class<?, extends, WritableComparator></code>) to (<code>int, int, Class</code>).<br> |
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| 65 | </TD> |
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| 66 | <TD VALIGN="TOP">Create a RecordReader with <tt>capacity</tt> children to position <tt>id</tt> in the parent reader.</TD> |
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| 67 | </TR> |
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| 68 | </TABLE> |
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| 69 | |
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| 70 | <a NAME="methods"></a> |
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| 71 | <p> |
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| 72 | <a NAME="Changed"></a> |
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| 73 | <TABLE summary="Changed Methods" BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"> |
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| 74 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 75 | <TD VALIGN="TOP" COLSPAN=3><FONT SIZE="+1"><B>Changed Methods</B></FONT></TD> |
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| 76 | </TR> |
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| 77 | <TR BGCOLOR="#FFFFFF" CLASS="TableRowColor"> |
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| 78 | <TD VALIGN="TOP" WIDTH="25%"> |
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| 79 | <A NAME="org.apache.hadoop.mapred.join.CompositeRecordReader.accept_changed(org.apache.hadoop.mapred.join.CompositeRecordReader.JoinCollector, org.apache.hadoop.io.WritableComparable)"></A> |
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| 80 | <nobr><code>void</code> <A HREF="../../api/org/apache/hadoop/mapred/join/CompositeRecordReader.html#accept(org.apache.hadoop.mapred.join.CompositeRecordReader.JoinCollector, org.apache.hadoop.io.WritableComparable)" target="_top"><tt>accept</tt></A>(<code>JoinCollector,</nobr> WritableComparable<nobr><nobr></code>) </nobr> |
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| 81 | </TD> |
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| 82 | <TD VALIGN="TOP" WIDTH="30%"> |
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| 83 | Change in signature from (<code>JoinCollector, K, extends, WritableComparable</code>) to (<code>JoinCollector, WritableComparable</code>).<br> |
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| 84 | </TD> |
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| 85 | <TD VALIGN="TOP">If key provided matches that of this Composite give JoinCollector iterator over values it may emit.</TD> |
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| 86 | </TR> |
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| 87 | <TR BGCOLOR="#FFFFFF" CLASS="TableRowColor"> |
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| 88 | <TD VALIGN="TOP" WIDTH="25%"> |
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| 89 | <A NAME="org.apache.hadoop.mapred.join.CompositeRecordReader.add_changed(org.apache.hadoop.mapred.join.ComposableRecordReader)"></A> |
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| 90 | <nobr><code>void</code> <A HREF="../../api/org/apache/hadoop/mapred/join/CompositeRecordReader.html#add(org.apache.hadoop.mapred.join.ComposableRecordReader)" target="_top"><tt>add</tt></A>(<code>ComposableRecordReader</code>) </nobr> |
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| 91 | </TD> |
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| 92 | <TD VALIGN="TOP" WIDTH="30%"> |
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| 93 | Change in signature from (<code>ComposableRecordReader<K, ?, extends, V></code>) to <code>ComposableRecordReader</code>.<br> |
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| 94 | </TD> |
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| 95 | <TD VALIGN="TOP">Add a RecordReader to this collection.</TD> |
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| 96 | </TR> |
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| 97 | <TR BGCOLOR="#FFFFFF" CLASS="TableRowColor"> |
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| 98 | <TD VALIGN="TOP" WIDTH="25%"> |
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| 99 | <A NAME="org.apache.hadoop.mapred.join.CompositeRecordReader.compareTo_changed(org.apache.hadoop.mapred.join.ComposableRecordReader)"></A> |
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| 100 | <nobr><code>int</code> <A HREF="../../api/org/apache/hadoop/mapred/join/CompositeRecordReader.html#compareTo(org.apache.hadoop.mapred.join.ComposableRecordReader)" target="_top"><tt>compareTo</tt></A>(<code>ComposableRecordReader</code>) </nobr> |
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| 101 | </TD> |
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| 102 | <TD VALIGN="TOP" WIDTH="30%"> |
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| 103 | Change in signature from (<code>ComposableRecordReader<K, ?></code>) to <code>ComposableRecordReader</code>.<br> |
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| 104 | </TD> |
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| 105 | <TD VALIGN="TOP">Implement Comparable contract (compare key of join or head of heap with that of another).</TD> |
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| 106 | </TR> |
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| 107 | <TR BGCOLOR="#FFFFFF" CLASS="TableRowColor"> |
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| 108 | <TD VALIGN="TOP" WIDTH="25%"> |
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| 109 | <A NAME="org.apache.hadoop.mapred.join.CompositeRecordReader.createKey_changed()"></A> |
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| 110 | <nobr><code>WritableComparable</code> <A HREF="../../api/org/apache/hadoop/mapred/join/CompositeRecordReader.html#createKey()" target="_top"><tt>createKey</tt></A>() </nobr> |
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| 111 | </TD> |
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| 112 | <TD VALIGN="TOP" WIDTH="30%"> |
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| 113 | Change in return type from (<code>K, extends, WritableComparable</code>) to <code>WritableComparable</code>.<br> |
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| 114 | </TD> |
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| 115 | <TD VALIGN="TOP">Create a new key value common to all child RRs.</TD> |
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| 116 | </TR> |
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| 117 | <TR BGCOLOR="#FFFFFF" CLASS="TableRowColor"> |
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| 118 | <TD VALIGN="TOP" WIDTH="25%"> |
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| 119 | <A NAME="org.apache.hadoop.mapred.join.CompositeRecordReader.fillJoinCollector_changed(org.apache.hadoop.io.WritableComparable)"></A> |
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| 120 | <nobr><code>void</code> <A HREF="../../api/org/apache/hadoop/mapred/join/CompositeRecordReader.html#fillJoinCollector(org.apache.hadoop.io.WritableComparable)" target="_top"><tt>fillJoinCollector</tt></A>(<code>WritableComparable</code>) </nobr> |
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| 121 | </TD> |
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| 122 | <TD VALIGN="TOP" WIDTH="30%"> |
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| 123 | Change in signature from (<code>K, extends, WritableComparable</code>) to <code>WritableComparable</code>.<br> |
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| 124 | </TD> |
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| 125 | <TD VALIGN="TOP">For all child RRs offering the key provided obtain an iterator at that position in the JoinCollector.</TD> |
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| 126 | </TR> |
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| 127 | <TR BGCOLOR="#FFFFFF" CLASS="TableRowColor"> |
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| 128 | <TD VALIGN="TOP" WIDTH="25%"> |
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| 129 | <A NAME="org.apache.hadoop.mapred.join.CompositeRecordReader.getDelegate_changed()"></A> |
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| 130 | <nobr><code>ResetableIterator</code> <A HREF="../../api/org/apache/hadoop/mapred/join/CompositeRecordReader.html#getDelegate()" target="_top"><tt>getDelegate</tt></A>() </nobr> |
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| 131 | </TD> |
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| 132 | <TD VALIGN="TOP" WIDTH="30%"> |
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| 133 | Change in return type from <code>ResetableIterator<X></code> to <code>ResetableIterator</code>.<br> |
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| 134 | </TD> |
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| 135 | <TD VALIGN="TOP">Obtain an iterator over the child RRs apropos of the value type ultimately emitted from this join.</TD> |
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| 136 | </TR> |
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| 137 | <TR BGCOLOR="#FFFFFF" CLASS="TableRowColor"> |
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| 138 | <TD VALIGN="TOP" WIDTH="25%"> |
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| 139 | <A NAME="org.apache.hadoop.mapred.join.CompositeRecordReader.getRecordReaderQueue_changed()"></A> |
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| 140 | <nobr><code>PriorityQueue</code> <A HREF="../../api/org/apache/hadoop/mapred/join/CompositeRecordReader.html#getRecordReaderQueue()" target="_top"><tt>getRecordReaderQueue</tt></A>() </nobr> |
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| 141 | </TD> |
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| 142 | <TD VALIGN="TOP" WIDTH="30%"> |
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| 143 | Change in return type from (<code>ComposableRecordReader<K, ?>></code>) to <code>PriorityQueue</code>.<br> |
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| 144 | </TD> |
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| 145 | <TD VALIGN="TOP">Return sorted list of RecordReaders for this composite.</TD> |
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| 146 | </TR> |
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| 147 | <TR BGCOLOR="#FFFFFF" CLASS="TableRowColor"> |
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| 148 | <TD VALIGN="TOP" WIDTH="25%"> |
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| 149 | <A NAME="org.apache.hadoop.mapred.join.CompositeRecordReader.skip_changed(org.apache.hadoop.io.WritableComparable)"></A> |
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| 150 | <nobr><code>void</code> <A HREF="../../api/org/apache/hadoop/mapred/join/CompositeRecordReader.html#skip(org.apache.hadoop.io.WritableComparable)" target="_top"><tt>skip</tt></A>(<code>WritableComparable</code>) </nobr> |
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| 151 | </TD> |
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| 152 | <TD VALIGN="TOP" WIDTH="30%"> |
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| 153 | Change in signature from (<code>K, extends, WritableComparable</code>) to <code>WritableComparable</code>.<br> |
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| 154 | </TD> |
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| 155 | <TD VALIGN="TOP">Pass skip key to child RRs.</TD> |
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| 156 | </TR> |
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| 157 | <TR BGCOLOR="#FFFFFF" CLASS="TableRowColor"> |
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| 158 | <TD VALIGN="TOP" WIDTH="25%"> |
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| 159 | <A NAME="org.apache.hadoop.mapred.join.CompositeRecordReader.key_changed()"></A> |
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| 160 | <nobr><code>WritableComparable</code> <A HREF="../../api/org/apache/hadoop/mapred/join/CompositeRecordReader.html#key()" target="_top"><tt>key</tt></A>() </nobr> |
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| 161 | </TD> |
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| 162 | <TD VALIGN="TOP" WIDTH="30%"> |
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| 163 | Change in return type from (<code>K, extends, WritableComparable</code>) to <code>WritableComparable</code>.<br> |
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| 164 | </TD> |
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| 165 | <TD VALIGN="TOP">Return the key for the current join or the value at the top of the RecordReader heap.</TD> |
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| 166 | </TR> |
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| 167 | <TR BGCOLOR="#FFFFFF" CLASS="TableRowColor"> |
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| 168 | <TD VALIGN="TOP" WIDTH="25%"> |
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| 169 | <A NAME="org.apache.hadoop.mapred.join.CompositeRecordReader.key_changed(org.apache.hadoop.io.WritableComparable)"></A> |
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| 170 | <nobr><code>void</code> <A HREF="../../api/org/apache/hadoop/mapred/join/CompositeRecordReader.html#key(org.apache.hadoop.io.WritableComparable)" target="_top"><tt>key</tt></A>(<code>WritableComparable</code>) </nobr> |
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| 171 | </TD> |
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| 172 | <TD VALIGN="TOP" WIDTH="30%"> |
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| 173 | Change in signature from (<code>K, extends, WritableComparable</code>) to <code>WritableComparable</code>.<br> |
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| 174 | </TD> |
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| 175 | <TD VALIGN="TOP">Clone the key at the top of this RR into the given object.</TD> |
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| 176 | </TR> |
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| 177 | </TABLE> |
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| 178 | |
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| 179 | <a NAME="fields"></a> |
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| 180 | <p> |
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| 181 | <a NAME="Changed"></a> |
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| 182 | <TABLE summary="Changed Fields" BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"> |
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| 183 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 184 | <TD VALIGN="TOP" COLSPAN=3><FONT SIZE="+1"><B>Changed Fields</B></FONT></TD> |
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| 185 | </TR> |
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| 186 | <TR BGCOLOR="#FFFFFF" CLASS="TableRowColor"> |
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| 187 | <TD VALIGN="TOP" WIDTH="25%"> |
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| 188 | <A NAME="org.apache.hadoop.mapred.join.CompositeRecordReader.jc"></A> |
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| 189 | <nobr><code>JoinCollector</code> <A HREF="../../api/org/apache/hadoop/mapred/join/CompositeRecordReader.html#jc" target="_top"><tt>jc</tt></A></nobr> </TD> |
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| 190 | <TD VALIGN="TOP" WIDTH="30%"> |
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| 191 | Change in type from (<code>CompositeRecordReader<K, V, JoinCollector</code>) to <code>JoinCollector</code>.<br> |
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| 192 | </TD> |
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| 193 | <TD> </TD> |
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