cascading.tap.hadoop.io
Class MultiRecordReaderIterator

java.lang.Object
  cascading.tap.hadoop.io.MultiRecordReaderIterator

All Implemented Interfaces:

CloseableIterator<RecordReader>, Closeable, Iterator<RecordReader>

public class MultiRecordReaderIterator
extends Object
implements CloseableIterator<RecordReader>

Class TapIterator is an implementation of CloseableIterator. It is returned by Tap instances when opening the taps resource for reading.

Constructor Summary

MultiRecordReaderIterator(FlowProcess<JobConf> flowProcess, Tap tap)
Constructor TapIterator creates a new TapIterator instance.

Method Summary

void	close()
boolean	hasNext() Method hasNext returns true if there more Tuple instances available.
RecordReader	next() Method next returns the next Tuple.
void	remove()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MultiRecordReaderIterator

public MultiRecordReaderIterator(FlowProcess<JobConf> flowProcess,
                                 Tap tap)
                          throws IOException

Constructor TapIterator creates a new TapIterator instance.

Throws:

IOException - when

Method Detail

hasNext

public boolean hasNext()

Method hasNext returns true if there more Tuple instances available.

Specified by:

hasNext in interface Iterator<RecordReader>

Returns:

boolean

next

public RecordReader next()

Method next returns the next Tuple.

Specified by:

next in interface Iterator<RecordReader>

Returns:

Tuple

remove

public void remove()

Specified by:

remove in interface Iterator<RecordReader>

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Throws:

IOException