cascading.tap.hadoop
Class TapIterator

java.lang.Object
  cascading.tap.hadoop.TapIterator

All Implemented Interfaces:

TupleIterator, Iterator<Tuple>

public class TapIterator
extends Object
implements TupleIterator

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

Constructor Summary

TapIterator(Tap tap, JobConf conf)
Constructor TapIterator creates a new TapIterator instance.

Method Summary

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

TapIterator

public TapIterator(Tap tap,
                   JobConf conf)
            throws IOException

Constructor TapIterator creates a new TapIterator instance.

Parameters:

conf - of type JobConf

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<Tuple>

Returns:

boolean

next

public Tuple next()

Method next returns the next Tuple.

Specified by:

next in interface Iterator<Tuple>

Returns:

Tuple

remove

public void remove()

Specified by:

remove in interface Iterator<Tuple>

close

public void close()

Specified by:

close in interface TupleIterator