/* 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.io.Serializable;
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;
/**
* @author Marcus Klimstra
*/
public class AddIdentityLinkForProcessInstanceCmd implements Command<Void>, Serializable {
private static final long serialVersionUID = 1L;
protected String processInstanceId;
protected String userId;
protected String groupId;
protected String type;
public AddIdentityLinkForProcessInstanceCmd(String processInstanceId, String userId, String groupId, String type) {
validateParams(processInstanceId, userId, groupId, type);
this.processInstanceId = processInstanceId;
this.userId = userId;
this.groupId = groupId;
this.type = type;
}
protected void validateParams(String processInstanceId, String userId, String groupId, String type) {
if (processInstanceId == null) {
throw new ActivitiIllegalArgumentException("processInstanceId is null");
}
if (type == null) {
throw new ActivitiIllegalArgumentException("type is required when adding a new process instance identity link");
}
if (userId == null && groupId == null) {
throw new ActivitiIllegalArgumentException("userId and groupId cannot both be null");
}
}
public Void execute(CommandContext commandContext) {
ExecutionEntity processInstance = commandContext.getExecutionEntityManager().findExecutionById(processInstanceId);
if (processInstance == null) {
throw new ActivitiObjectNotFoundException("Cannot find process instance with id " + processInstanceId, ExecutionEntity.class);
}
processInstance.addIdentityLink(userId, groupId, type);
commandContext.getHistoryManager().createProcessInstanceIdentityLinkComment(processInstanceId, userId, groupId, type, true);
return null;
}
}