xdi2.core.util.iterators

Class LookaheadIterator<T>

java.lang.Object

xdi2.core.util.iterators.IterableIterator<T>

xdi2.core.util.iterators.WrappingIterator<T>

xdi2.core.util.iterators.ReadOnlyIterator<T>

xdi2.core.util.iterators.LookaheadIterator<T>

All Implemented Interfaces:

Iterable<T>, Iterator<T>

Direct Known Subclasses:

SelectingIterator, SelectingMappingIterator, TerminatingIterator

public abstract class LookaheadIterator<T>
extends ReadOnlyIterator<T>

An iterator that always looks ahead one item.

Author:

markus

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	hasNext
protected T	nextItem

Constructor Summary

Constructors

Constructor and Description
LookaheadIterator()

Method Summary

Modifier and Type	Method and Description
boolean	hasNext()
protected abstract void	lookahead()
T	next()

Methods inherited from class xdi2.core.util.iterators.ReadOnlyIterator

remove

Methods inherited from class xdi2.core.util.iterators.IterableIterator

iterator

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Field Detail

hasNext

protected boolean hasNext

nextItem

protected T nextItem

Constructor Detail

LookaheadIterator

public LookaheadIterator()

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<T>

Overrides:

hasNext in class WrappingIterator<T>

next

public T next()

Specified by:

next in interface Iterator<T>

Overrides:

next in class WrappingIterator<T>

lookahead

protected abstract void lookahead()