001/* 002 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. 003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 004 * 005 * This code is free software; you can redistribute it and/or modify it 006 * under the terms of the GNU General Public License version 2 only, as 007 * published by the Free Software Foundation. 008 * 009 * This code is distributed in the hope that it will be useful, but WITHOUT 010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 011 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 012 * version 2 for more details (a copy is included in the LICENSE file that 013 * accompanied this code). 014 * 015 * You should have received a copy of the GNU General Public License version 016 * 2 along with this work; if not, write to the Free Software Foundation, 017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 018 * 019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 020 * or visit www.oracle.com if you need additional information or have any 021 * questions. 022 */ 023package com.oracle.graal.graph.iterators; 024 025import java.util.*; 026 027import com.oracle.graal.graph.*; 028 029public class DistinctFilteredNodeIterable<T extends Node> extends FilteredNodeIterable<T> { 030 031 public DistinctFilteredNodeIterable(NodeIterable<T> nodeIterable) { 032 super(nodeIterable); 033 } 034 035 @Override 036 public DistinctFilteredNodeIterable<T> distinct() { 037 return this; 038 } 039 040 @Override 041 public Iterator<T> iterator() { 042 return new DistinctPredicatedProxyNodeIterator<>(nodeIterable.iterator(), predicate); 043 } 044}