cachesoftreference.java

Sequoia ERP是一个真正的企业级开源ERP解决方案。它提供的模块包括：电子商务应用(e-commerce), POS系统(point of sales),知识管理,存货与仓库管理

/*
 * $Id: CacheSoftReference.java 5462 2005-08-05 18:35:48Z jonesde $
 *
 * Copyright (c) 2004 The Open For Business Project - www.ofbiz.org
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
 * OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 */
package org.ofbiz.base.util.cache;

import java.lang.ref.SoftReference;
import java.lang.ref.ReferenceQueue;
import java.io.Serializable;

import org.ofbiz.base.util.Debug;

/**
 * 
 * @author     <a href="mailto:[e-mail]">Andy Zeneski</a>
 * @version    $Rev: 5462 $
 * @since      3.2
 */
public class CacheSoftReference extends SoftReference implements Serializable {

    public static final String module = CacheSoftReference.class.getName();

    public CacheSoftReference(Object o) {
        super(o);
    }

    public CacheSoftReference(Object o, ReferenceQueue referenceQueue) {
        super(o, referenceQueue);
    }

    public void clear() {
        if (Debug.verboseOn()) {
            Debug.logVerbose(new Exception("UtilCache.CacheSoftRef.clear()"), "Clearing UtilCache SoftReference - " + get(), module);
        }
        super.clear();
    }

    public void finalize() throws Throwable {
        if (Debug.verboseOn()) {
            Debug.logVerbose(new Exception("UtilCache.CacheSoftRef.finalize()"), "Finalize UtilCache SoftReference - " + get(), module);
        }
        super.finalize();
    }
}