org.camunda.bpm.engine.impl.cmd.ActivityBeforeInstantiationCmd Maven / Gradle / Ivy
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* Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH
* under one or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information regarding copyright
* 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.
* 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.engine.impl.cmd;
import org.camunda.bpm.engine.ProcessEngineException;
import org.camunda.bpm.engine.impl.core.model.CoreModelElement;
import org.camunda.bpm.engine.impl.interceptor.CommandContext;
import org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity;
import org.camunda.bpm.engine.impl.pvm.PvmActivity;
import org.camunda.bpm.engine.impl.pvm.process.ActivityImpl;
import org.camunda.bpm.engine.impl.pvm.process.ProcessDefinitionImpl;
import org.camunda.bpm.engine.impl.pvm.process.ScopeImpl;
/**
* @author Thorben Lindhauer
*
*/
public class ActivityBeforeInstantiationCmd extends AbstractInstantiationCmd {
protected String activityId;
public ActivityBeforeInstantiationCmd(String activityId) {
this(null, activityId);
}
public ActivityBeforeInstantiationCmd(String processInstanceId, String activityId) {
this(processInstanceId, activityId, null);
}
public ActivityBeforeInstantiationCmd(String processInstanceId, String activityId,
String ancestorActivityInstanceId) {
super(processInstanceId, ancestorActivityInstanceId);
this.activityId = activityId;
}
@Override
public Void execute(CommandContext commandContext) {
ExecutionEntity processInstance = commandContext.getExecutionManager().findExecutionById(processInstanceId);
ProcessDefinitionImpl processDefinition = processInstance.getProcessDefinition();
PvmActivity activity = processDefinition.findActivity(activityId);
// forbid instantiation of compensation boundary events
if (activity != null && "compensationBoundaryCatch".equals(activity.getProperty("type"))) {
throw new ProcessEngineException("Cannot start before activity " + activityId + "; activity " +
"is a compensation boundary event.");
}
return super.execute(commandContext);
}
@Override
protected ScopeImpl getTargetFlowScope(ProcessDefinitionImpl processDefinition) {
PvmActivity activity = processDefinition.findActivity(activityId);
return activity.getFlowScope();
}
@Override
protected CoreModelElement getTargetElement(ProcessDefinitionImpl processDefinition) {
ActivityImpl activity = processDefinition.findActivity(activityId);
return activity;
}
@Override
public String getTargetElementId() {
return activityId;
}
@Override
protected String describe() {
StringBuilder sb = new StringBuilder();
sb.append("Start before activity '");
sb.append(activityId);
sb.append("'");
if (ancestorActivityInstanceId != null) {
sb.append(" with ancestor activity instance '");
sb.append(ancestorActivityInstanceId);
sb.append("'");
}
return sb.toString();
}
}