net.sf.jga.util
Class FilterIterator<T>

java.lang.Object
  net.sf.jga.util.FilterIterator<T>

All Implemented Interfaces:

java.lang.Iterable<T>, java.util.Iterator<T>

public class FilterIterator<T>
extends java.lang.Object
implements java.util.Iterator<T>, java.lang.Iterable<T>

Iterator that only returns elements that meet the given selection criteria.

Copyright © 2002 David A. Hall

Author:

David A. Hall

Constructor Summary

FilterIterator(java.util.Iterator<? extends T> iter, UnaryFunctor<T,java.lang.Boolean> pred)
Builds a FilterIterator that will return only qualifying elements of the given iterator.

Method Summary

boolean	hasNext()
java.util.Iterator<T>	iterator()
T	next()
void	remove()

Methods inherited from class java.lang.Object

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

Constructor Detail

FilterIterator

public FilterIterator(java.util.Iterator<? extends T> iter,
                      UnaryFunctor<T,java.lang.Boolean> pred)

Builds a FilterIterator that will return only qualifying elements of the given iterator.

Method Detail

iterator

public java.util.Iterator<T> iterator()

Specified by:

iterator in interface java.lang.Iterable<T>

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator<T>

next

public T next()

Specified by:

next in interface java.util.Iterator<T>

remove

public void remove()

Specified by:

remove in interface java.util.Iterator<T>