/* 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.camunda.bpm.engine.impl.variable.listener;
import static org.camunda.bpm.engine.impl.util.ClassDelegateUtil.instantiateDelegate;
import java.util.List;
import org.camunda.bpm.engine.ProcessEngineException;
import org.camunda.bpm.engine.delegate.DelegateCaseVariableInstance;
import org.camunda.bpm.engine.delegate.CaseVariableListener;
import org.camunda.bpm.engine.impl.bpmn.parser.FieldDeclaration;
import org.camunda.bpm.engine.impl.context.Context;
import org.camunda.bpm.engine.impl.delegate.ClassDelegate;
/**
* @author Thorben Lindhauer
*
*/
public class ClassDelegateCaseVariableListener extends ClassDelegate implements CaseVariableListener {
public ClassDelegateCaseVariableListener(String className, List<FieldDeclaration> fieldDeclarations) {
super(className, fieldDeclarations);
}
public ClassDelegateCaseVariableListener(Class<?> clazz, List<FieldDeclaration> fieldDeclarations) {
super(clazz, fieldDeclarations);
}
public void notify(DelegateCaseVariableInstance variableInstance) throws Exception {
CaseVariableListener variableListenerInstance = getVariableListenerInstance();
Context.getProcessEngineConfiguration()
.getDelegateInterceptor()
.handleInvocation(new CaseVariableListenerInvocation(variableListenerInstance, variableInstance));
}
protected CaseVariableListener getVariableListenerInstance() {
Object delegateInstance = instantiateDelegate(className, fieldDeclarations);
if (delegateInstance instanceof CaseVariableListener) {
return (CaseVariableListener) delegateInstance;
} else {
throw new ProcessEngineException(delegateInstance.getClass().getName()+" doesn't implement "+CaseVariableListener.class);
}
}
}