nucleus/common/common-util/src/main/java/com/sun/appserv/util/cache/CacheListener.java

/*
 * Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package com.sun.appserv.util.cache;

/**
 * CacheListener
 * Generic cache listener interface
 */
public interface CacheListener {

    /**
     * an cached value is trimmed (to prevent cache overflow)
     * @param key lookup key
     * @param value value of the cached entity
     */
    public void trimEvent(Object key, Object value);
}