org.activiti.engine.impl.bpmn.data.Assignment 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.bpmn.data;
import org.activiti.engine.delegate.DelegateExecution;
import org.activiti.engine.delegate.Expression;
import org.activiti.engine.delegate.VariableScope;
/**
* Implementation of the BPMN 2.0 'assignment'
*
*/
public class Assignment {
protected Expression fromExpression;
protected Expression toExpression;
public Assignment(Expression fromExpression, Expression toExpression) {
this.fromExpression = fromExpression;
this.toExpression = toExpression;
}
public void evaluate(DelegateExecution execution) {
VariableScope variableScope = (VariableScope) execution;
Object value = this.fromExpression.getValue(variableScope);
this.toExpression.setValue(value, variableScope);
}
}