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40CONSTRUCTORS&nbsp;|&nbsp;
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49Class org.apache.hadoop.mapred.join.<A HREF="../../api/org/apache/hadoop/mapred/join/WrappedRecordReader.html" target="_top"><tt>WrappedRecordReader</tt></A>
50</H2>
51<p><font size="+1">Removed interface <code>org.apache.hadoop.mapred.join.ComposableRecordReader<K, U></code>.<br> Added interface <code>org.apache.hadoop.mapred.join.ComposableRecordReader</code>.<br></font>
52<a NAME="constructors"></a>
53<a NAME="methods"></a>
54<p>
55<a NAME="Changed"></a>
56<TABLE summary="Changed Methods" BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
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58  <TD VALIGN="TOP" COLSPAN=3><FONT SIZE="+1"><B>Changed Methods</B></FONT></TD>
59</TR>
60<TR BGCOLOR="#FFFFFF" CLASS="TableRowColor">
61  <TD VALIGN="TOP" WIDTH="25%">
62  <A NAME="org.apache.hadoop.mapred.join.WrappedRecordReader.accept_changed(org.apache.hadoop.mapred.join.CompositeRecordReader.JoinCollector, org.apache.hadoop.io.WritableComparable)"></A>
63  <nobr><code>void</code>&nbsp;<A HREF="../../api/org/apache/hadoop/mapred/join/WrappedRecordReader.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>
64  </TD>
65  <TD VALIGN="TOP" WIDTH="30%">
66Change in signature from (<code>JoinCollector, K, extends, WritableComparable</code>) to (<code>JoinCollector, WritableComparable</code>).<br>
67  </TD>
68  <TD VALIGN="TOP">Add an iterator to the collector at the position occupied by this RecordReader over the values in this stream paired with the key provided (ie register a stream of values from this source matching K with a collector).</TD>
69</TR>
70<TR BGCOLOR="#FFFFFF" CLASS="TableRowColor">
71  <TD VALIGN="TOP" WIDTH="25%">
72  <A NAME="org.apache.hadoop.mapred.join.WrappedRecordReader.compareTo_changed(org.apache.hadoop.mapred.join.ComposableRecordReader)"></A>
73  <nobr><code>int</code>&nbsp;<A HREF="../../api/org/apache/hadoop/mapred/join/WrappedRecordReader.html#compareTo(org.apache.hadoop.mapred.join.ComposableRecordReader)" target="_top"><tt>compareTo</tt></A>(<code>ComposableRecordReader</code>)  </nobr>
74  </TD>
75  <TD VALIGN="TOP" WIDTH="30%">
76Change in signature from (<code>ComposableRecordReader<K, ?></code>) to <code>ComposableRecordReader</code>.<br>
77  </TD>
78  <TD VALIGN="TOP">Implement Comparable contract (compare key at head of proxied RR with that of another).</TD>
79</TR>
80<TR BGCOLOR="#FFFFFF" CLASS="TableRowColor">
81  <TD VALIGN="TOP" WIDTH="25%">
82  <A NAME="org.apache.hadoop.mapred.join.WrappedRecordReader.createKey_changed()"></A>
83  <nobr><code>WritableComparable</code>&nbsp;<A HREF="../../api/org/apache/hadoop/mapred/join/WrappedRecordReader.html#createKey()" target="_top"><tt>createKey</tt></A>()  </nobr>
84  </TD>
85  <TD VALIGN="TOP" WIDTH="30%">
86Change in return type from (<code>K, extends, WritableComparable</code>) to <code>WritableComparable</code>.<br>
87  </TD>
88  <TD VALIGN="TOP">Request new key from proxied RR.</TD>
89</TR>
90<TR BGCOLOR="#FFFFFF" CLASS="TableRowColor">
91  <TD VALIGN="TOP" WIDTH="25%">
92  <A NAME="org.apache.hadoop.mapred.join.WrappedRecordReader.createValue_changed()"></A>
93  <nobr><code>Writable</code>&nbsp;<A HREF="../../api/org/apache/hadoop/mapred/join/WrappedRecordReader.html#createValue()" target="_top"><tt>createValue</tt></A>()  </nobr>
94  </TD>
95  <TD VALIGN="TOP" WIDTH="30%">
96Change in return type from (<code>U, extends, Writable</code>) to <code>Writable</code>.<br>
97  </TD>
98  <TD VALIGN="TOP">Request new value from proxied RR.</TD>
99</TR>
100<TR BGCOLOR="#FFFFFF" CLASS="TableRowColor">
101  <TD VALIGN="TOP" WIDTH="25%">
102  <A NAME="org.apache.hadoop.mapred.join.WrappedRecordReader.skip_changed(org.apache.hadoop.io.WritableComparable)"></A>
103  <nobr><code>void</code>&nbsp;<A HREF="../../api/org/apache/hadoop/mapred/join/WrappedRecordReader.html#skip(org.apache.hadoop.io.WritableComparable)" target="_top"><tt>skip</tt></A>(<code>WritableComparable</code>)  </nobr>
104  </TD>
105  <TD VALIGN="TOP" WIDTH="30%">
106Change in signature from (<code>K, extends, WritableComparable</code>) to <code>WritableComparable</code>.<br>
107  </TD>
108  <TD VALIGN="TOP">Skip key-value pairs with keys less than or equal to the key provided.</TD>
109</TR>
110<TR BGCOLOR="#FFFFFF" CLASS="TableRowColor">
111  <TD VALIGN="TOP" WIDTH="25%">
112  <A NAME="org.apache.hadoop.mapred.join.WrappedRecordReader.key_changed()"></A>
113  <nobr><code>WritableComparable</code>&nbsp;<A HREF="../../api/org/apache/hadoop/mapred/join/WrappedRecordReader.html#key()" target="_top"><tt>key</tt></A>()  </nobr>
114  </TD>
115  <TD VALIGN="TOP" WIDTH="30%">
116Change in return type from (<code>K, extends, WritableComparable</code>) to <code>WritableComparable</code>.<br>
117  </TD>
118  <TD VALIGN="TOP">Return the key at the head of this RR.</TD>
119</TR>
120<TR BGCOLOR="#FFFFFF" CLASS="TableRowColor">
121  <TD VALIGN="TOP" WIDTH="25%">
122  <A NAME="org.apache.hadoop.mapred.join.WrappedRecordReader.key_changed(org.apache.hadoop.io.WritableComparable)"></A>
123  <nobr><code>void</code>&nbsp;<A HREF="../../api/org/apache/hadoop/mapred/join/WrappedRecordReader.html#key(org.apache.hadoop.io.WritableComparable)" target="_top"><tt>key</tt></A>(<code>WritableComparable</code>)  </nobr>
124  </TD>
125  <TD VALIGN="TOP" WIDTH="30%">
126Change in signature from (<code>K, extends, WritableComparable</code>) to <code>WritableComparable</code>.<br>
127  </TD>
128  <TD VALIGN="TOP">Clone the key at the head of this RR into the object supplied.</TD>
129</TR>
130<TR BGCOLOR="#FFFFFF" CLASS="TableRowColor">
131  <TD VALIGN="TOP" WIDTH="25%">
132  <A NAME="org.apache.hadoop.mapred.join.WrappedRecordReader.next_changed(org.apache.hadoop.io.WritableComparable, org.apache.hadoop.io.Writable)"></A>
133  <nobr><code>boolean</code>&nbsp;<A HREF="../../api/org/apache/hadoop/mapred/join/WrappedRecordReader.html#next(org.apache.hadoop.io.WritableComparable, org.apache.hadoop.io.Writable)" target="_top"><tt>next</tt></A>(<code>WritableComparable,</nobr> Writable<nobr><nobr></code>)  </nobr>
134  </TD>
135  <TD VALIGN="TOP" WIDTH="30%">
136Change in signature from (<code>K, extends, WritableComparable, U, extends, Writable</code>) to (<code>WritableComparable, Writable</code>).<br>
137  </TD>
138  <TD VALIGN="TOP">Write key-value pair at the head of this stream to the objects provided; get next key-value pair from proxied RR.</TD>
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