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/* 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.Map;

import org.activiti.engine.compatibility.Activiti5CompatibilityHandler;
import org.activiti.engine.impl.interceptor.CommandContext;
import org.activiti.engine.impl.persistence.entity.TaskEntity;
import org.activiti.engine.impl.util.Activiti5Util;

/**
 * @author Joram Barrez
 */
public class CompleteTaskCmd extends AbstractCompleteTaskCmd {

  private static final long serialVersionUID = 1L;
  protected Map variables;
  protected boolean localScope;

  public CompleteTaskCmd(String taskId, Map variables) {
    super(taskId);
    this.variables = variables;
  }

  public CompleteTaskCmd(String taskId, Map variables, boolean localScope) {
    super(taskId);
    this.variables = variables;
    this.localScope = localScope;
  }

  protected Void execute(CommandContext commandContext, TaskEntity task) {
    // Backwards compatibility
    if (task.getProcessDefinitionId() != null) {
      if (Activiti5Util.isActiviti5ProcessDefinitionId(commandContext, task.getProcessDefinitionId())) {
        Activiti5CompatibilityHandler activiti5CompatibilityHandler = Activiti5Util.getActiviti5CompatibilityHandler(); 
        activiti5CompatibilityHandler.completeTask(task, variables, localScope);
        return null;
      }
    }
    
    if (variables != null) {
    	if (localScope) {
    		task.setVariablesLocal(variables);
    	} else if (task.getExecutionId() != null) {
    		task.setExecutionVariables(variables);
    	} else {
    		task.setVariables(variables);
    	}
    }

    executeTaskComplete(commandContext, task, variables, localScope);
    return null;
  }

  @Override
  protected String getSuspendedTaskException() {
    return "Cannot complete a suspended task";
  }

}