/* * Copyright 1999-2004 The Apache Software Foundation * * 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 org.apache.commons.collections.iterators; import java.util.Iterator; import org.apache.commons.collections.functors.UniquePredicate; /** * A FilterIterator which only returns "unique" Objects. Internally, * the Iterator maintains a Set of objects it has already encountered, * and duplicate Objects are skipped. * * @since Commons Collections 2.1 * @version $Revision: 155406 $ $Date: 2005-02-26 12:55:26 +0000 (Sat, 26 Feb 2005) $ * * @author Morgan Delagrange */ public class UniqueFilterIterator extends FilterIterator { //------------------------------------------------------------------------- /** * Constructs a new <code>UniqueFilterIterator</code>. * * @param iterator the iterator to use */ public UniqueFilterIterator( Iterator iterator ) { super(iterator, UniquePredicate.getInstance()); } }