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}