org.activiti.engine.impl.cmd.GetExecutionVariablesCmd 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.ExecutionEntity;
import org.activiti.engine.runtime.Execution;
import java.io.Serializable;
import java.util.Collection;
import java.util.Map;
/**
*/
public class GetExecutionVariablesCmd implements Command>, Serializable {
private static final long serialVersionUID = 1L;
protected String executionId;
protected Collection variableNames;
protected boolean isLocal;
public GetExecutionVariablesCmd(String executionId, Collection variableNames, boolean isLocal) {
this.executionId = executionId;
this.variableNames = variableNames;
this.isLocal = isLocal;
}
public Map execute(CommandContext commandContext) {
// Verify existance of execution
if (executionId == null) {
throw new ActivitiIllegalArgumentException("executionId is null");
}
ExecutionEntity execution = commandContext.getExecutionEntityManager().findById(executionId);
if (execution == null) {
throw new ActivitiObjectNotFoundException("execution " + executionId + " doesn't exist", Execution.class);
}
if (variableNames == null || variableNames.isEmpty()) {
// Fetch all
if (isLocal) {
return execution.getVariablesLocal();
} else {
return execution.getVariables();
}
} else {
// Fetch specific collection of variables
if (isLocal) {
return execution.getVariablesLocal(variableNames, false);
} else {
return execution.getVariables(variableNames, false);
}
}
}
}