org.codehaus.groovy.util.ReferenceBundle Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of groovy Show documentation

Groovy: A powerful, dynamic language for the JVM

There is a newer version: 3.0.21

/*
 * Copyright 2003-2010 the original author or 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 org.codehaus.groovy.util;

import java.lang.ref.ReferenceQueue;

public class ReferenceBundle{
    private ReferenceManager manager;
    private 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, 5000);
        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;
    }
}