001/*
002 * Copyright (c) 2014, 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.util;
024
025import java.util.*;
026
027import com.oracle.graal.api.collections.*;
028import com.oracle.graal.api.runtime.*;
029import com.oracle.graal.graph.*;
030
031/**
032 * Static methods for accessing the methods in the installed {@link GraalRuntime}'s
033 * {@link CollectionsProvider} and {@link NodeCollectionsProvider}.
034 */
035public class CollectionsAccess {
036
037    private static final NodeCollectionsProvider provider = Graal.getRequiredCapability(NodeCollectionsProvider.class);
038
039    /**
040     * @see CollectionsProvider#newIdentityMap()
041     */
042    public static <K, V> Map<K, V> newIdentityMap() {
043        return provider.newIdentityMap();
044    }
045
046    /**
047     * @see CollectionsProvider#newIdentityMap()
048     */
049    public static <K, V> Map<K, V> newIdentityMap(int expectedMaxSize) {
050        return provider.newIdentityMap(expectedMaxSize);
051    }
052
053    /**
054     * @see CollectionsProvider#newIdentityMap(Map)
055     */
056    public static <K, V> Map<K, V> newIdentityMap(Map<K, V> initFrom) {
057        return provider.newIdentityMap(initFrom);
058    }
059
060    /**
061     * @see NodeCollectionsProvider#newNodeIdentitySet()
062     */
063    public static <E extends Node> Set<E> newNodeIdentitySet() {
064        return provider.newNodeIdentitySet();
065    }
066
067    /**
068     * @see NodeCollectionsProvider#newNodeIdentityMap()
069     */
070    public static <K extends Node, V> Map<K, V> newNodeIdentityMap() {
071        return provider.newNodeIdentityMap();
072    }
073
074    /**
075     * @see NodeCollectionsProvider#newNodeIdentityMap(int)
076     */
077    public static <K extends Node, V> Map<K, V> newNodeIdentityMap(int expectedMaxSize) {
078        return provider.newNodeIdentityMap(expectedMaxSize);
079    }
080
081    /**
082     * @see NodeCollectionsProvider#newNodeIdentityMap(Map)
083     */
084    public static <K extends Node, V> Map<K, V> newNodeIdentityMap(Map<K, V> initFrom) {
085        return provider.newNodeIdentityMap(initFrom);
086    }
087
088    /**
089     * Creates an identity set.
090     */
091    public static <E> Set<E> newIdentitySet() {
092        return provider.newIdentitySet();
093    }
094}