cascading.tap.hadoop.io

Class MultiRecordReaderIterator

java.lang.Object

cascading.tap.hadoop.io.MultiRecordReaderIterator

All Implemented Interfaces:

cascading.util.CloseableIterator<RecordReader>, java.io.Closeable, java.lang.AutoCloseable, java.util.Iterator<RecordReader>

public class MultiRecordReaderIterator
extends java.lang.Object
implements cascading.util.CloseableIterator<RecordReader>

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

Constructor Summary

Constructors

Constructor and Description
MultiRecordReaderIterator(cascading.flow.FlowProcess<? extends Configuration> flowProcess, cascading.tap.Tap tap) Constructor TapIterator creates a new TapIterator instance.

Method Summary

Modifier and Type	Method and Description
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

Methods inherited from interface java.util.Iterator

forEachRemaining

Constructor Detail

MultiRecordReaderIterator

public MultiRecordReaderIterator(cascading.flow.FlowProcess<? extends Configuration> flowProcess,
                                 cascading.tap.Tap tap)
                          throws java.io.IOException

Constructor TapIterator creates a new TapIterator instance.

Throws:

java.io.IOException - when

Method Detail

hasNext

public boolean hasNext()

Method hasNext returns true if there more Tuple instances available.

Specified by:

hasNext in interface java.util.Iterator<RecordReader>

Returns:

boolean

next

public RecordReader next()

Method next returns the next Tuple.

Specified by:

next in interface java.util.Iterator<RecordReader>

Returns:

Tuple

remove

public void remove()

Specified by:

remove in interface java.util.Iterator<RecordReader>

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable

Throws:

java.io.IOException