/*
* Copyright (C) 2007 The Guava Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.common.collect;
import com.google.common.annotations.
GwtCompatible;
import java.util.
Iterator;
/**
* An iterator which forwards all its method calls to another iterator.
* Subclasses should override one or more methods to modify the behavior of the
* backing iterator as desired per the <a
* href="http://en.wikipedia.org/wiki/Decorator_pattern">decorator pattern</a>.
*
* @author Kevin Bourrillion
* @since 2.0 (imported from Google Collections Library)
*/
@
GwtCompatible
public abstract class
ForwardingIterator<T>
extends
ForwardingObject implements
Iterator<T> {
/** Constructor for use by subclasses. */
protected
ForwardingIterator() {}
@
Override protected abstract
Iterator<T>
delegate();
@
Override
public boolean
hasNext() {
return
delegate().
hasNext();
}
@
Override
public T
next() {
return
delegate().
next();
}
@
Override
public void
remove() {
delegate().
remove();
}
}