cascading.tuple
Class TupleEntryIterableChainIterator

java.lang.Object
  cascading.tuple.TupleEntryIterator
      cascading.tuple.TupleEntryIterableChainIterator

All Implemented Interfaces:

Closeable, Iterator<TupleEntry>

public class TupleEntryIterableChainIterator
extends TupleEntryIterator

TupleEntryChainIterator chains the given Iterators into a single Iterator.

As one iterator is completed, it will be closed and a new one will start.

Constructor Summary

TupleEntryIterableChainIterator(Fields fields)

TupleEntryIterableChainIterator(Fields fields, Iterable<Iterator<Tuple>> iterable)

Method Summary

void	close() Method close closes all underlying resources.
protected void	closeCurrent()
boolean	hasNext() Method hasNext returns true if there is a next TupleEntry
TupleEntry	next() Method next returns the next TupleEntry.
void	remove() Method remove removes the current TupleEntry from the underlying collection.
void	reset(Iterable<Iterator<Tuple>> iterable)

Methods inherited from class cascading.tuple.TupleEntryIterator

getFields, getTupleEntry

Methods inherited from class java.lang.Object

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

Constructor Detail

TupleEntryIterableChainIterator

public TupleEntryIterableChainIterator(Fields fields)

TupleEntryIterableChainIterator

public TupleEntryIterableChainIterator(Fields fields,
                                       Iterable<Iterator<Tuple>> iterable)

Method Detail

hasNext

public boolean hasNext()

Method hasNext returns true if there is a next TupleEntry

Returns:

boolean

reset

public void reset(Iterable<Iterator<Tuple>> iterable)

next

public TupleEntry next()

Method next returns the next TupleEntry.

Returns:

TupleEntry

remove

public void remove()

Method remove removes the current TupleEntry from the underlying collection.

close

public void close()

Method close closes all underlying resources.

closeCurrent

protected void closeCurrent()