クラスの使用
org.apache.hadoop.mapreduce.lib.join.CompositeRecordReader

CompositeRecordReaderを使用しているパッケージ

パッケージ	説明
org.apache.hadoop.mapreduce.lib.join

org.apache.hadoop.mapreduce.lib.joinでのCompositeRecordReaderの使用

org.apache.hadoop.mapreduce.lib.joinでのCompositeRecordReaderのサブクラス

修飾子とタイプ	クラスと説明
class	InnerJoinRecordReader<K extends WritableComparable<?>> Full inner join.
class	JoinRecordReader<K extends WritableComparable<?>> Base class for Composite joins returning Tuples of arbitrary Writables.
class	MultiFilterRecordReader<K extends WritableComparable<?>,V extends Writable> Base class for Composite join returning values derived from multiple sources, but generally not tuples.
class	OuterJoinRecordReader<K extends WritableComparable<?>> Full outer join.
class	OverrideRecordReader<K extends WritableComparable<?>,V extends Writable> Prefer the "rightmost" data source for this key.