org.activiti.engine.impl.cmd.GetTaskVariableInstancesCmd 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.ActivitiObjectNotFoundException;
import org.activiti.engine.impl.interceptor.Command;
import org.activiti.engine.impl.interceptor.CommandContext;
import org.activiti.engine.impl.persistence.entity.TaskEntity;
import org.activiti.engine.impl.persistence.entity.VariableInstance;
import org.activiti.engine.task.Task;
import java.io.Serializable;
import java.util.Collection;
import java.util.Map;
import java.util.Map.Entry;
public class GetTaskVariableInstancesCmd implements Command>, Serializable {
private static final long serialVersionUID = 1L;
protected String taskId;
protected Collection variableNames;
protected boolean isLocal;
public GetTaskVariableInstancesCmd(String taskId, Collection variableNames, boolean isLocal) {
this.taskId = taskId;
this.variableNames = variableNames;
this.isLocal = isLocal;
}
@Override
public Map execute(CommandContext commandContext) {
if (taskId == null) {
throw new ActivitiIllegalArgumentException("taskId is null");
}
TaskEntity task = commandContext.getTaskEntityManager().findById(taskId);
if (task == null) {
throw new ActivitiObjectNotFoundException("task " + taskId + " doesn't exist", Task.class);
}
Map variables = null;
if (variableNames == null) {
if (isLocal) {
variables = task.getVariableInstancesLocal();
} else {
variables = task.getVariableInstances();
}
} else {
if (isLocal) {
variables = task.getVariableInstancesLocal(variableNames, false);
} else {
variables = task.getVariableInstances(variableNames, false);
}
}
if (variables != null) {
for (Entry entry : variables.entrySet()) {
if (entry.getValue() != null) {
entry.getValue().getValue();
}
}
}
return variables;
}
}