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/* |
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* Copyright 2002-2007 the original author or authors. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package org.springframework.context.event; |
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import junit.framework.TestCase; |
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import org.springframework.context.ApplicationContext; |
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import org.springframework.context.ApplicationEvent; |
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import org.springframework.context.ApplicationListener; |
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import org.springframework.context.Lifecycle; |
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import org.springframework.context.support.StaticApplicationContext; |
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/** |
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* @author Mark Fisher |
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* @author Juergen Hoeller |
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*/ |
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public class LifecycleEventTests extends TestCase { |
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public void testContextStartedEvent() { |
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StaticApplicationContext context = new StaticApplicationContext(); |
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context.registerSingleton("lifecycle", LifecycleTestBean.class); |
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context.registerSingleton("listener", LifecycleListener.class); |
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context.refresh(); |
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LifecycleTestBean lifecycleBean = (LifecycleTestBean) context.getBean("lifecycle"); |
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LifecycleListener listener = (LifecycleListener) context.getBean("listener"); |
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assertFalse(lifecycleBean.isRunning()); |
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assertEquals(0, listener.getStartedCount()); |
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context.start(); |
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assertTrue(lifecycleBean.isRunning()); |
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assertEquals(1, listener.getStartedCount()); |
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assertSame(context, listener.getApplicationContext()); |
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} |
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public void testContextStoppedEvent() { |
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StaticApplicationContext context = new StaticApplicationContext(); |
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context.registerSingleton("lifecycle", LifecycleTestBean.class); |
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context.registerSingleton("listener", LifecycleListener.class); |
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context.refresh(); |
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LifecycleTestBean lifecycleBean = (LifecycleTestBean) context.getBean("lifecycle"); |
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LifecycleListener listener = (LifecycleListener) context.getBean("listener"); |
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assertFalse(lifecycleBean.isRunning()); |
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context.start(); |
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assertTrue(lifecycleBean.isRunning()); |
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assertEquals(0, listener.getStoppedCount()); |
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context.stop(); |
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assertFalse(lifecycleBean.isRunning()); |
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assertEquals(1, listener.getStoppedCount()); |
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assertSame(context, listener.getApplicationContext()); |
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} |
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private static class LifecycleListener implements ApplicationListener { |
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private ApplicationContext context; |
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private int startedCount; |
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private int stoppedCount; |
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public void onApplicationEvent(ApplicationEvent event) { |
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if (event instanceof ContextStartedEvent) { |
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this.context = ((ContextStartedEvent) event).getApplicationContext(); |
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this.startedCount++; |
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} |
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else if (event instanceof ContextStoppedEvent) { |
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this.context = ((ContextStoppedEvent) event).getApplicationContext(); |
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this.stoppedCount++; |
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} |
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} |
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public ApplicationContext getApplicationContext() { |
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return this.context; |
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} |
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public int getStartedCount() { |
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return this.startedCount; |
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} |
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public int getStoppedCount() { |
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return this.stoppedCount; |
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} |
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} |
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private static class LifecycleTestBean implements Lifecycle { |
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private boolean running; |
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public boolean isRunning() { |
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return this.running; |
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} |
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public void start() { |
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this.running = true; |
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} |
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public void stop() { |
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this.running = false; |
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} |
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} |
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} |
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@ -0,0 +1,30 @@ |
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/* |
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* Copyright 2002-2007 the original author or authors. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package org.springframework.core.task; |
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/** |
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* A no-op Runnable implementation. |
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* |
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* @author Rick Evans |
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*/ |
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public class NoOpRunnable implements Runnable { |
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public void run() { |
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// explicit no-op
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} |
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} |
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