Package org.activiti.engine.impl.cmd

Source Code of org.activiti.engine.impl.cmd.AbstractSetProcessInstanceStateCmd

/* 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 java.util.List;

import org.activiti.engine.ActivitiException;
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.SuspensionState;
import org.activiti.engine.impl.persistence.entity.TaskEntity;
import org.activiti.engine.impl.persistence.entity.SuspensionState.SuspensionStateUtil;

/**
* @author Daniel Meyer
* @author Joram Barrez
*/
public abstract class AbstractSetProcessInstanceStateCmd implements Command<Void> {
   
  protected final String executionId;
 

  public AbstractSetProcessInstanceStateCmd(String executionId) {
    this.executionId = executionId;
  }

  public Void execute(CommandContext commandContext) {
   
    if(executionId == null) {
      throw new ActivitiException("ProcessInstanceId cannot be null.");
    }
   
    ExecutionEntity executionEntity = commandContext.getExecutionManager()
      .findExecutionById(executionId);

    if(executionEntity == null) {
      throw new ActivitiException("Cannot find processInstance for id '"+executionId+"'.");
    }
    if(!executionEntity.isProcessInstance()) {
      throw new ActivitiException("Cannot set suspension state for execution '"+executionId+"': not a process instance.");
    }
   
    SuspensionStateUtil.setSuspensionState(executionEntity, getNewState());
   
    // All child executions are suspended
    List<ExecutionEntity> childExecutions = commandContext.getExecutionManager().findChildExecutionsByProcessInstanceId(executionId);
    for (ExecutionEntity childExecution : childExecutions) {
      if (!childExecution.getId().equals(executionId)) {
        SuspensionStateUtil.setSuspensionState(childExecution, getNewState());
      }
    }
   
    // All tasks are suspended
    List<TaskEntity> tasks = commandContext.getTaskManager().findTasksByProcessInstanceId(executionId);
    for (TaskEntity taskEntity : tasks) {
      SuspensionStateUtil.setSuspensionState(taskEntity, getNewState());
    }
   
    return null;
  }

  protected abstract SuspensionState getNewState();

}
TOP

Related Classes of org.activiti.engine.impl.cmd.AbstractSetProcessInstanceStateCmd

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.