| Package | Description | 
|---|---|
| org.apache.hadoop.mapred.join | |
| org.apache.hadoop.mapreduce.lib.join | 
| Modifier and Type | Interface and Description | 
|---|---|
interface  | 
ResetableIterator<T extends Writable>
This defines an interface to a stateful Iterator that can replay elements
 added to it directly. 
 | 
| Modifier and Type | Class and Description | 
|---|---|
class  | 
ArrayListBackedIterator<X extends Writable>
This class provides an implementation of ResetableIterator. 
 | 
class  | 
StreamBackedIterator<X extends Writable>
This class provides an implementation of ResetableIterator. 
 | 
| Modifier and Type | Method and Description | 
|---|---|
protected ResetableIterator<V> | 
MultiFilterRecordReader.getDelegate()
Return an iterator returning a single value from the tuple. 
 | 
protected ResetableIterator<TupleWritable> | 
JoinRecordReader.getDelegate()
Return an iterator wrapping the JoinCollector. 
 | 
protected abstract ResetableIterator<X> | 
CompositeRecordReader.getDelegate()
Obtain an iterator over the child RRs apropos of the value type
 ultimately emitted from this join. 
 | 
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