| Package | Description |
|---|---|
| org.apache.hadoop.mapred.join |
| Class and Description |
|---|
| ComposableInputFormat
Refinement of InputFormat requiring implementors to provide
ComposableRecordReader instead of RecordReader.
|
| ComposableRecordReader
Additional operations required of a RecordReader to participate in a join.
|
| CompositeRecordReader
A RecordReader that can effect joins of RecordReaders sharing a common key
type and partitioning.
|
| JoinRecordReader
Base class for Composite joins returning Tuples of arbitrary Writables.
|
| MultiFilterRecordReader
Base class for Composite join returning values derived from multiple
sources, but generally not tuples.
|
| Parser.Node |
| Parser.Token
Tagged-union type for tokens from the join expression.
|
| Parser.TType |
| ResetableIterator
This defines an interface to a stateful Iterator that can replay elements
added to it directly.
|
| TupleWritable
Writable type storing multiple
Writables. |
Copyright © 2015 Apache Software Foundation. All rights reserved.