## Uses of Class
org.apache.hadoop.mapreduce.lib.join.CompositeRecordReader

- Packages that use CompositeRecordReader
  Package | Description
  --- | ---
  org.apache.hadoop.mapreduce.lib.join |

- - ### Uses of CompositeRecordReader in org.apache.hadoop.mapreduce.lib.join

    Subclasses of CompositeRecordReader in org.apache.hadoop.mapreduce.lib.join
    Modifier and Type | Class and Description
    --- | ---
    `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.

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