001/*
002 * Copyright 2002-2012 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      https://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.scheduling.commonj;
018
019import commonj.timers.Timer;
020import commonj.timers.TimerListener;
021
022import org.springframework.util.Assert;
023
024/**
025 * Simple TimerListener adapter that delegates to a given Runnable.
026 *
027 * @author Juergen Hoeller
028 * @since 2.0
029 * @see commonj.timers.TimerListener
030 * @see java.lang.Runnable
031 */
032public class DelegatingTimerListener implements TimerListener {
033
034        private final Runnable runnable;
035
036
037        /**
038         * Create a new DelegatingTimerListener.
039         * @param runnable the Runnable implementation to delegate to
040         */
041        public DelegatingTimerListener(Runnable runnable) {
042                Assert.notNull(runnable, "Runnable is required");
043                this.runnable = runnable;
044        }
045
046
047        /**
048         * Delegates execution to the underlying Runnable.
049         */
050        @Override
051        public void timerExpired(Timer timer) {
052                this.runnable.run();
053        }
054
055}