org.flowable.engine.impl.cmd.GetTasksLocalVariablesCmd 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.flowable.engine.impl.cmd;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import org.flowable.common.engine.api.FlowableIllegalArgumentException;
import org.flowable.common.engine.impl.interceptor.Command;
import org.flowable.common.engine.impl.interceptor.CommandContext;
import org.flowable.engine.impl.cfg.ProcessEngineConfigurationImpl;
import org.flowable.engine.impl.util.CommandContextUtil;
import org.flowable.variable.api.persistence.entity.VariableInstance;
import org.flowable.variable.service.impl.persistence.entity.VariableInstanceEntity;
/**
* @author Daisuke Yoshimoto
*/
public class GetTasksLocalVariablesCmd implements Command>, Serializable {
private static final long serialVersionUID = 1L;
protected Set taskIds;
public GetTasksLocalVariablesCmd(Set taskIds) {
this.taskIds = taskIds;
}
@Override
public List execute(CommandContext commandContext) {
if (taskIds == null) {
throw new FlowableIllegalArgumentException("taskIds is null");
}
if (taskIds.isEmpty()) {
throw new FlowableIllegalArgumentException("Set of taskIds is empty");
}
ProcessEngineConfigurationImpl processEngineConfiguration = CommandContextUtil.getProcessEngineConfiguration(commandContext);
List entities = processEngineConfiguration.getVariableServiceConfiguration().getVariableService()
.createInternalVariableInstanceQuery().taskIds(taskIds).list();
List instances = new ArrayList<>(entities.size());
for (VariableInstanceEntity entity : entities) {
entity.getValue();
instances.add(entity);
}
return instances;
}
}