48 lines
1.5 KiB
Java
48 lines
1.5 KiB
Java
package org.gcube.smartgears.handlers.application;
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import java.util.logging.Handler;
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import org.gcube.smartgears.handlers.AbstractHandler;
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/**
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* A {@link Handler} of {@link ApplicationLifecycleEvent}s.
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* <p>
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* The handler participates in a {@link ApplicationPipeline} of other handlers registered for notification of the same events.
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* After processing the event, it may or may not propagate the event to the handlers further down in the {@link ApplicationPipeline}
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* {@link ApplicationPipeline#forward(ApplicationEvent)}.
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* @author Fabio Simeoni
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*
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* @see ApplicationLifecycleEvent
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* @see ApplicationPipeline
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*/
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public abstract class ApplicationLifecycleHandler extends AbstractHandler implements ApplicationHandler<ApplicationLifecycleHandler> {
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/**
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* Invoked when the container starts a managed app.
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* @param pipeline the pipeline in which this handler is registered
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* @param e the event
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*/
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public void onStart(ApplicationLifecycleEvent.Start e) {
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}
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/**
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* Invoked when the container stops a managed app.
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* @param pipeline the pipeline in which this handler is registered
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* @param e the stop event
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*/
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public void onStop(ApplicationLifecycleEvent.Stop e) {
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}
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@Override
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public void onEvent(ApplicationEvent<ApplicationLifecycleHandler> e) {
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if (e instanceof ApplicationLifecycleEvent.Start)
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onStart(ApplicationLifecycleEvent.Start.class.cast(e));
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else
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if (e instanceof ApplicationLifecycleEvent.Stop)
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onStop(ApplicationLifecycleEvent.Stop.class.cast(e));
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}
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}
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