org.activiti.engine.impl.cmd.FindActiveActivityIdsCmd Maven / Gradle / Ivy
/* 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.activiti.engine.impl.cmd;
import org.activiti.engine.ActivitiIllegalArgumentException;
import org.activiti.engine.ActivitiObjectNotFoundException;
import org.activiti.engine.impl.interceptor.Command;
import org.activiti.engine.impl.interceptor.CommandContext;
import org.activiti.engine.impl.persistence.entity.ExecutionEntity;
import org.activiti.engine.impl.persistence.entity.ExecutionEntityManager;
import org.activiti.engine.runtime.Execution;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
/**
*/
public class FindActiveActivityIdsCmd implements Command>, Serializable {
private static final long serialVersionUID = 1L;
protected String executionId;
public FindActiveActivityIdsCmd(String executionId) {
this.executionId = executionId;
}
public List execute(CommandContext commandContext) {
if (executionId == null) {
throw new ActivitiIllegalArgumentException("executionId is null");
}
ExecutionEntityManager executionEntityManager = commandContext.getExecutionEntityManager();
ExecutionEntity execution = executionEntityManager.findById(executionId);
if (execution == null) {
throw new ActivitiObjectNotFoundException("execution " + executionId + " doesn't exist", Execution.class);
}
return findActiveActivityIds(execution);
}
public List findActiveActivityIds(ExecutionEntity executionEntity) {
List activeActivityIds = new ArrayList();
collectActiveActivityIds(executionEntity, activeActivityIds);
return activeActivityIds;
}
protected void collectActiveActivityIds(ExecutionEntity executionEntity, List activeActivityIds) {
if (executionEntity.isActive() && executionEntity.getActivityId() != null) {
activeActivityIds.add(executionEntity.getActivityId());
}
for (ExecutionEntity childExecution : executionEntity.getExecutions()) {
collectActiveActivityIds(childExecution, activeActivityIds);
}
}
}