org.apache.accumulo.core.util

Class PeekingIterator<E>

java.lang.Object

org.apache.accumulo.core.util.PeekingIterator<E>

All Implemented Interfaces:

Iterator<E>

public class PeekingIterator<E>
extends Object
implements Iterator<E>

Constructor Summary

Constructors

Constructor and Description
PeekingIterator() Creates an uninitialized instance.
PeekingIterator(Iterator<E> source)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	hasNext()
PeekingIterator<E>	initialize(Iterator<E> source) Initializes this iterator, to be used with PeekingIterator().
E	next()
E	peek()
void	remove()

Methods inherited from class java.lang.Object

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

Constructor Detail

PeekingIterator

public PeekingIterator(Iterator<E> source)

PeekingIterator

public PeekingIterator()

Creates an uninitialized instance. This should be used in conjunction with initialize(Iterator).

Method Detail

initialize

public PeekingIterator<E> initialize(Iterator<E> source)

Initializes this iterator, to be used with PeekingIterator().

peek

public E peek()

next

public E next()

Specified by:

next in interface Iterator<E>

remove

public void remove()

Specified by:

remove in interface Iterator<E>

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<E>