org.activiti.engine.impl.cmd.GetExecutionsVariablesCmd 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.impl.interceptor.Command;
import org.activiti.engine.impl.interceptor.CommandContext;
import org.activiti.engine.impl.persistence.entity.VariableInstance;
import org.activiti.engine.impl.persistence.entity.VariableInstanceEntity;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
/**
*/
public class GetExecutionsVariablesCmd implements Command>, Serializable{
private static final long serialVersionUID = 1L;
protected Set executionIds;
public GetExecutionsVariablesCmd(Set executionIds) {
this.executionIds = executionIds;
}
@Override
public List execute(CommandContext commandContext) {
// Verify existence of executions
if (executionIds == null) {
throw new ActivitiIllegalArgumentException("executionIds is null");
}
if (executionIds.isEmpty()){
throw new ActivitiIllegalArgumentException("Set of executionIds is empty");
}
List instances = new ArrayList();
List entities = commandContext.getVariableInstanceEntityManager().findVariableInstancesByExecutionIds(executionIds);
for (VariableInstanceEntity entity : entities){
entity.getValue();
instances.add(entity);
}
return instances;
}
}