/* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.camunda.bpm.container.impl.deployment;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.camunda.bpm.application.ProcessApplicationInterface;
import org.camunda.bpm.application.ProcessApplicationReference;
import org.camunda.bpm.container.impl.jmx.services.JmxManagedProcessApplication;
import org.camunda.bpm.container.impl.spi.PlatformServiceContainer;
import org.camunda.bpm.container.impl.spi.DeploymentOperation;
import org.camunda.bpm.container.impl.spi.DeploymentOperationStep;
import org.camunda.bpm.container.impl.spi.ServiceTypes;
/**
* <p>Deployment operation step that is responsible for stopping all process applications</p>
*
* @author Daniel Meyer
*
*/
public class StopProcessApplicationsStep extends DeploymentOperationStep {
public String getName() {
return "Stopping process applications";
}
public void performOperationStep(DeploymentOperation operationContext) {
final PlatformServiceContainer serviceContainer = operationContext.getServiceContainer();
List<JmxManagedProcessApplication> processApplicationsReferences = serviceContainer.getServiceValuesByType(ServiceTypes.PROCESS_APPLICATION);
for (JmxManagedProcessApplication processApplication : processApplicationsReferences) {
stopProcessApplication(processApplication.getProcessApplicationReference());
}
}
/**
* <p> 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) {
LOGGER.log(Level.WARNING, "Exception while stopping ProcessApplication ", t);
}
}
}