/*
* Copyright 2003-2013 JetBrains s.r.o.
*
* 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 jetbrains.mps.idea.core.psi.impl.events;
import jetbrains.mps.smodel.event.SModelChildEvent;
import jetbrains.mps.smodel.event.SModelEventVisitorAdapter;
import jetbrains.mps.smodel.event.SModelPropertyEvent;
import jetbrains.mps.smodel.event.SModelReferenceEvent;
import jetbrains.mps.smodel.event.SModelRootEvent;
import org.jetbrains.mps.openapi.model.SModel;
import org.jetbrains.mps.openapi.model.SNode;
/**
* Created with IntelliJ IDEA.
* User: fyodor
* Date: 2/18/13
* Time: 4:59 PM
* To change this template use File | Settings | File Templates.
*/
/*package*/ abstract class EventDemultiplexor extends SModelEventVisitorAdapter {
/**
* Affected node must be replaced.
* @param sNode
*/
protected abstract void invalidateNode(SNode sNode);
protected abstract void invalidateModel(SModel sModel);
@Override
public void visitRootEvent(SModelRootEvent event) {
invalidateModel(event.getModelDescriptor());
}
@Override
public void visitChildEvent(SModelChildEvent event) {
invalidateNode(event.getParent());
}
@Override
public void visitPropertyEvent(SModelPropertyEvent event) {
invalidateNode(event.getNode());
}
@Override
public void visitReferenceEvent(SModelReferenceEvent event) {
invalidateNode(event.getReference().getSourceNode());
SNode targetNode = event.getReference().getTargetNode();
if (targetNode != null) {
invalidateNode(targetNode);
}
}
}