org.camunda.bpm.container.impl.tomcat.TomcatBpmPlatformBootstrap Maven / Gradle / Ivy
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* Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH
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* ownership. Camunda licenses this file to you under the Apache License,
* Version 2.0; you may not use this file except in compliance with the License.
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
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* See the License for the specific language governing permissions and
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package org.camunda.bpm.container.impl.tomcat;
import org.apache.catalina.Lifecycle;
import org.apache.catalina.LifecycleEvent;
import org.apache.catalina.LifecycleListener;
import org.apache.catalina.core.StandardServer;
import org.camunda.bpm.container.RuntimeContainerDelegate;
import org.camunda.bpm.container.impl.ContainerIntegrationLogger;
import org.camunda.bpm.container.impl.RuntimeContainerDelegateImpl;
import org.camunda.bpm.container.impl.deployment.DiscoverBpmPlatformPluginsStep;
import org.camunda.bpm.container.impl.deployment.PlatformXmlStartProcessEnginesStep;
import org.camunda.bpm.container.impl.deployment.StopProcessApplicationsStep;
import org.camunda.bpm.container.impl.deployment.StopProcessEnginesStep;
import org.camunda.bpm.container.impl.deployment.UnregisterBpmPlatformPluginsStep;
import org.camunda.bpm.container.impl.deployment.jobexecutor.StartJobExecutorStep;
import org.camunda.bpm.container.impl.deployment.jobexecutor.StartManagedThreadPoolStep;
import org.camunda.bpm.container.impl.deployment.jobexecutor.StopJobExecutorStep;
import org.camunda.bpm.container.impl.deployment.jobexecutor.StopManagedThreadPoolStep;
import org.camunda.bpm.container.impl.tomcat.deployment.TomcatAttachments;
import org.camunda.bpm.container.impl.tomcat.deployment.TomcatParseBpmPlatformXmlStep;
import org.camunda.bpm.engine.ProcessEngine;
import org.camunda.bpm.engine.impl.ProcessEngineLogger;
/**
* Apache Tomcat server listener responsible for deploying the bpm platform.
*
* @author Daniel Meyer
*
*/
public class TomcatBpmPlatformBootstrap implements LifecycleListener {
private final static ContainerIntegrationLogger LOG = ProcessEngineLogger.CONTAINER_INTEGRATION_LOGGER;
protected ProcessEngine processEngine;
protected RuntimeContainerDelegateImpl containerDelegate;
public void lifecycleEvent(LifecycleEvent event) {
if (Lifecycle.START_EVENT.equals(event.getType())) {
// the Apache Tomcat integration uses the Jmx Container for managing process engines and applications.
containerDelegate = (RuntimeContainerDelegateImpl) RuntimeContainerDelegate.INSTANCE.get();
deployBpmPlatform(event);
}
else if (Lifecycle.STOP_EVENT.equals(event.getType())) {
undeployBpmPlatform(event);
}
}
protected void deployBpmPlatform(LifecycleEvent event) {
final StandardServer server = (StandardServer) event.getSource();
containerDelegate.getServiceContainer().createDeploymentOperation("deploy BPM platform")
.addAttachment(TomcatAttachments.SERVER, server)
.addStep(new TomcatParseBpmPlatformXmlStep())
.addStep(new DiscoverBpmPlatformPluginsStep())
.addStep(new StartManagedThreadPoolStep())
.addStep(new StartJobExecutorStep())
.addStep(new PlatformXmlStartProcessEnginesStep())
.execute();
LOG.camundaBpmPlatformSuccessfullyStarted(server.getServerInfo());
}
protected void undeployBpmPlatform(LifecycleEvent event) {
final StandardServer server = (StandardServer) event.getSource();
containerDelegate.getServiceContainer().createUndeploymentOperation("undeploy BPM platform")
.addAttachment(TomcatAttachments.SERVER, server)
.addStep(new StopJobExecutorStep())
.addStep(new StopManagedThreadPoolStep())
.addStep(new StopProcessApplicationsStep())
.addStep(new StopProcessEnginesStep())
.addStep(new UnregisterBpmPlatformPluginsStep())
.execute();
LOG.camundaBpmPlatformStopped(server.getServerInfo());
}
}