com.opensymphony.xwork2.inject.util.FinalizableSoftReference Maven / Gradle / Ivy
/**
* Copyright (C) 2006 Google Inc.
*
* 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 com.opensymphony.xwork2.inject.util;
import java.lang.ref.SoftReference;
/**
* Soft reference with a {@link com.opensymphony.xwork2.inject.util.FinalizableReference#finalizeReferent() finalizeReferent()} method which a background
* thread invokes after the garbage collector reclaims the referent. This is a
* simpler alternative to using a {@link java.lang.ref.ReferenceQueue}.
*
* @author [email protected] (Bob Lee)
*/
public abstract class FinalizableSoftReference extends SoftReference
implements FinalizableReference {
protected FinalizableSoftReference(T referent) {
super(referent, FinalizableReferenceQueue.getInstance());
}
}