| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.codehaus.groovy.util; |
| |
| import java.lang.ref.ReferenceQueue; |
| |
| public class ReferenceBundle{ |
| private final ReferenceManager manager; |
| private final ReferenceType type; |
| public ReferenceBundle(ReferenceManager manager, ReferenceType type){ |
| this.manager = manager; |
| this.type = type; |
| } |
| public ReferenceType getType() { |
| return type; |
| } |
| public ReferenceManager getManager() { |
| return manager; |
| } |
| |
| private static final ReferenceBundle softReferences, weakReferences, hardReferences, phantomReferences; |
| static { |
| ReferenceQueue queue = new ReferenceQueue(); |
| ReferenceManager callBack = ReferenceManager.createCallBackedManager(queue); |
| ReferenceManager manager = ReferenceManager.createThresholdedIdlingManager(queue, callBack, 500); |
| softReferences = new ReferenceBundle(manager, ReferenceType.SOFT); |
| weakReferences = new ReferenceBundle(manager, ReferenceType.WEAK); |
| phantomReferences = new ReferenceBundle(manager, ReferenceType.PHANTOM); |
| hardReferences = new ReferenceBundle(ReferenceManager.createIdlingManager(null), ReferenceType.HARD); |
| } |
| |
| public static ReferenceBundle getSoftBundle() { |
| return softReferences; |
| } |
| |
| public static ReferenceBundle getWeakBundle() { |
| return weakReferences; |
| } |
| |
| public static ReferenceBundle getHardBundle() { |
| return hardReferences; |
| } |
| |
| public static ReferenceBundle getPhantomBundle() { |
| return phantomReferences; |
| } |
| } |