/* 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.ActivitiException;
import org.activiti.engine.impl.context.Context;
import org.activiti.engine.impl.interceptor.Command;
import org.activiti.engine.impl.interceptor.CommandContext;
import org.activiti.engine.impl.persistence.entity.ProcessDefinitionEntity;
/**
* @author Tijs Rademakers
*/
public class AddIdentityLinkForProcessDefinitionCmd implements Command<Void>, Serializable {
private static final long serialVersionUID = 1L;
protected String processDefinitionId;
protected String userId;
protected String groupId;
public AddIdentityLinkForProcessDefinitionCmd(String processDefinitionId, String userId, String groupId) {
validateParams(userId, groupId, processDefinitionId);
this.processDefinitionId = processDefinitionId;
this.userId = userId;
this.groupId = groupId;
}
protected void validateParams(String userId, String groupId, String processDefinitionId) {
if(processDefinitionId == null) {
throw new ActivitiException("processDefinitionId is null");
}
if (userId == null && groupId == null) {
throw new ActivitiException("userId and groupId cannot both be null");
}
}
public Void execute(CommandContext commandContext) {
ProcessDefinitionEntity processDefinition = Context
.getCommandContext()
.getProcessDefinitionManager()
.findLatestProcessDefinitionById(processDefinitionId);
if (processDefinition == null) {
throw new ActivitiException("Cannot find process definition with id " + processDefinitionId);
}
processDefinition.addIdentityLink(userId, groupId);
return null;
}
}