org.flowable.engine.impl.el.ProcessVariableScopeELResolver 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.el;
import org.flowable.common.engine.api.variable.VariableContainer;
import org.flowable.common.engine.impl.el.VariableContainerELResolver;
import org.flowable.common.engine.impl.javax.el.ELContext;
import org.flowable.engine.impl.persistence.entity.ExecutionEntity;
import org.flowable.engine.impl.util.CommandContextUtil;
import org.flowable.task.service.impl.persistence.entity.TaskEntity;
/**
* @author Joram Barrez
*/
public class ProcessVariableScopeELResolver extends VariableContainerELResolver {
public static final String EXECUTION_KEY = "execution";
public static final String TASK_KEY = "task";
@Override
public Object getValue(ELContext context, Object base, Object property) {
if (base == null) {
VariableContainer variableContainer = getVariableContainer(context);
if ((EXECUTION_KEY.equals(property) && variableContainer instanceof ExecutionEntity) || (TASK_KEY.equals(property) && variableContainer instanceof TaskEntity)) {
context.setPropertyResolved(true);
return variableContainer;
} else if (EXECUTION_KEY.equals(property) && variableContainer instanceof TaskEntity) {
context.setPropertyResolved(true);
String executionId = ((TaskEntity) variableContainer).getExecutionId();
ExecutionEntity executionEntity = null;
if (executionId != null) {
executionEntity = CommandContextUtil.getExecutionEntityManager().findById(executionId);
}
return executionEntity;
} else {
return super.getValue(context, base, property);
}
}
return null;
}
}