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java.lang.Objectorg.apache.hadoop.mapred.join.CompositeRecordReader<K,Writable,TupleWritable>
org.apache.hadoop.mapred.join.JoinRecordReader<K>
org.apache.hadoop.mapred.join.OuterJoinRecordReader<K>
public class OuterJoinRecordReader<K extends WritableComparable>
Full outer join.
Nested Class Summary |
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Nested classes/interfaces inherited from class org.apache.hadoop.mapred.join.JoinRecordReader |
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JoinRecordReader.JoinDelegationIterator |
Field Summary |
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Fields inherited from class org.apache.hadoop.mapred.join.CompositeRecordReader |
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jc, kids |
Method Summary | |
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protected boolean |
combine(java.lang.Object[] srcs,
TupleWritable dst)
Emit everything from the collector. |
Methods inherited from class org.apache.hadoop.mapred.join.JoinRecordReader |
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createValue, getDelegate, next |
Methods inherited from class org.apache.hadoop.mapred.join.CompositeRecordReader |
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accept, add, close, compareTo, createInternalValue, createKey, fillJoinCollector, getComparator, getConf, getPos, getProgress, getRecordReaderQueue, hasNext, id, key, key, setConf, skip |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface org.apache.hadoop.mapred.join.ComposableRecordReader |
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accept, hasNext, id, key, key, skip |
Methods inherited from interface org.apache.hadoop.mapred.RecordReader |
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close, createKey, getPos, getProgress |
Methods inherited from interface java.lang.Comparable |
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compareTo |
Method Detail |
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protected boolean combine(java.lang.Object[] srcs, TupleWritable dst)
combine
in class CompositeRecordReader<K extends WritableComparable,Writable,TupleWritable>
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