cascading.tuple

Class TupleEntryIterator

java.lang.Object

cascading.tuple.TupleEntryIterator

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, java.util.Iterator<TupleEntry>

Direct Known Subclasses:

TupleEntryChainIterator, TupleEntryIterableChainIterator, TupleEntrySchemeIterator

public abstract class TupleEntryIterator
extends java.lang.Object
implements java.util.Iterator<TupleEntry>, java.io.Closeable

Class TupleEntryIterator provides an efficient Iterator for returning TupleEntry elements in an underlying Tuple collection.

Constructor Summary

Constructors

Constructor and Description
TupleEntryIterator(Fields fields) Constructor TupleEntryIterator creates a new TupleEntryIterator instance.

Method Summary

Methods

Modifier and Type	Method and Description
Fields	getFields() Method getFields returns the fields of this TupleEntryIterator object.
TupleEntry	getTupleEntry() Method getTupleEntry returns the entry of this TupleEntryIterator object.

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

hasNext, next, remove

Methods inherited from interface java.io.Closeable

close

Constructor Detail

TupleEntryIterator

public TupleEntryIterator(Fields fields)

Constructor TupleEntryIterator creates a new TupleEntryIterator instance.

Parameters:

fields - of type Fields

Method Detail

getFields

public Fields getFields()

Method getFields returns the fields of this TupleEntryIterator object.

Returns:

the fields (type Fields) of this TupleEntryIterator object.

getTupleEntry

public TupleEntry getTupleEntry()

Method getTupleEntry returns the entry of this TupleEntryIterator object.

Since TupleEntry and the underlying Tuple instances are re-used, you must make a copy if you wish to store the instances in a Collection for later use.

Returns:

the entry (type TupleEntry) of this TupleEntryIterator object.