org.camunda.bpm.engine.impl.variable.listener.ExpressionCaseVariableListener Maven / Gradle / Ivy
/*
* Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH
* under one or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information regarding copyright
* ownership. Camunda licenses this file to you under the Apache License,
* Version 2.0; 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.camunda.bpm.engine.impl.variable.listener;
import org.camunda.bpm.engine.delegate.CaseVariableListener;
import org.camunda.bpm.engine.delegate.DelegateCaseVariableInstance;
import org.camunda.bpm.engine.delegate.Expression;
/**
* @author Thorben Lindhauer
*
*/
public class ExpressionCaseVariableListener implements CaseVariableListener {
protected Expression expression;
public ExpressionCaseVariableListener(Expression expression) {
this.expression = expression;
}
public void notify(DelegateCaseVariableInstance variableInstance) throws Exception {
DelegateCaseVariableInstanceImpl variableInstanceImpl = (DelegateCaseVariableInstanceImpl) variableInstance;
// Return value of expression is ignored
expression.getValue(variableInstanceImpl.getScopeExecution());
}
/**
* Returns the expression text for this execution listener. Comes in handy if you want to
* check which listeners you already have.
*/
public String getExpressionText() {
return expression.getExpressionText();
}
}