01: /*
02: * Copyright 2002-2005 the original author or authors.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS,
12: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13: * See the License for the specific language governing permissions and
14: * limitations under the License.
15: */
16:
17: package org.springframework.scheduling.commonj;
18:
19: import commonj.timers.Timer;
20: import commonj.timers.TimerListener;
21:
22: import org.springframework.util.Assert;
23:
24: /**
25: * Simple TimerListener adapter that delegates to a given Runnable.
26: *
27: * @author Juergen Hoeller
28: * @since 2.0
29: * @see commonj.timers.TimerListener
30: * @see java.lang.Runnable
31: */
32: public class DelegatingTimerListener implements TimerListener {
33:
34: private final Runnable runnable;
35:
36: /**
37: * Create a new DelegatingTimerListener.
38: * @param runnable the Runnable implementation to delegate to
39: */
40: public DelegatingTimerListener(Runnable runnable) {
41: Assert.notNull(runnable, "Runnable is required");
42: this .runnable = runnable;
43: }
44:
45: /**
46: * Delegates execution to the underlying Runnable.
47: */
48: public void timerExpired(Timer timer) {
49: this.runnable.run();
50: }
51:
52: }
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