org.camunda.bpm.container.impl.deployment.StopProcessApplicationsStep 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
*
* Unless required by applicable law or agreed to in writing, software
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*/
package org.camunda.bpm.container.impl.deployment;
import java.util.List;
import org.camunda.bpm.application.ProcessApplicationInterface;
import org.camunda.bpm.application.ProcessApplicationReference;
import org.camunda.bpm.container.impl.ContainerIntegrationLogger;
import org.camunda.bpm.container.impl.jmx.services.JmxManagedProcessApplication;
import org.camunda.bpm.container.impl.spi.DeploymentOperation;
import org.camunda.bpm.container.impl.spi.DeploymentOperationStep;
import org.camunda.bpm.container.impl.spi.PlatformServiceContainer;
import org.camunda.bpm.container.impl.spi.ServiceTypes;
import org.camunda.bpm.engine.impl.ProcessEngineLogger;
/**
* Deployment operation step that is responsible for stopping (undeploying) all process applications
*
* @author Daniel Meyer
*
*/
public class StopProcessApplicationsStep extends DeploymentOperationStep {
private final static ContainerIntegrationLogger LOG = ProcessEngineLogger.CONTAINER_INTEGRATION_LOGGER;
public String getName() {
return "Stopping process applications";
}
public void performOperationStep(DeploymentOperation operationContext) {
final PlatformServiceContainer serviceContainer = operationContext.getServiceContainer();
List processApplicationsReferences = serviceContainer.getServiceValuesByType(ServiceTypes.PROCESS_APPLICATION);
for (JmxManagedProcessApplication processApplication : processApplicationsReferences) {
stopProcessApplication(processApplication.getProcessApplicationReference());
}
}
/**
* Stops a process application. Exceptions are logged but not re-thrown).
*
* @param processApplicationReference
*/
protected void stopProcessApplication(ProcessApplicationReference processApplicationReference) {
try {
// unless the user has overridden the stop behavior,
// this causes the process application to remove its services
// (triggers nested undeployment operation)
ProcessApplicationInterface processApplication = processApplicationReference.getProcessApplication();
processApplication.undeploy();
}
catch(Throwable t) {
LOG.exceptionWhileStopping("Process Application", processApplicationReference.getName(), t);
}
}
}