/*
* Copyright 2003-2011 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.cache;
import jetbrains.mps.smodel.SModelAdapter;
import org.jetbrains.mps.openapi.model.SNode;
import jetbrains.mps.smodel.event.*;
import java.util.Set;
/**
* Igor Alshannikov
* Sep 6, 2007
*/
public abstract class DataSet extends SModelAdapter {
public static enum DefaultNodeChangedProcessing {
DROP_DATA_SET, DROP_OWNER_CACHE
}
private String myId;
private AbstractCache myOwnerCache;
private DefaultNodeChangedProcessing myDefaultNodeChangedProcessing;
protected DataSet(String id, AbstractCache ownerCache, DefaultNodeChangedProcessing defaultProcessing) {
super(SModelListenerPriority.PLATFORM);
myId = id;
myOwnerCache = ownerCache;
myDefaultNodeChangedProcessing = defaultProcessing;
}
public String getId() {
return myId;
}
public AbstractCache getOwnerCache() {
return myOwnerCache;
}
protected abstract void init();
public abstract Set<SNode> getDependsOnNodes();
// model listener
@Override
public void languageAdded(SModelLanguageEvent event) {
}
@Override
public void languageRemoved(SModelLanguageEvent event) {
}
@Override
public void importAdded(SModelImportEvent event) {
}
@Override
public void importRemoved(SModelImportEvent event) {
}
@Override
public void devkitAdded(SModelDevKitEvent event) {
}
@Override
public void devkitRemoved(SModelDevKitEvent event) {
}
@Override
public void rootAdded(SModelRootEvent event) {
}
@Override
public void rootRemoved(SModelRootEvent event) {
processNodeChangedDefault();
}
@Override
public void beforeRootRemoved(SModelRootEvent event) {
}
@Override
public void propertyChanged(SModelPropertyEvent event) {
processNodeChangedDefault();
}
@Override
public void childAdded(SModelChildEvent event) {
processNodeChangedDefault();
}
@Override
public void childRemoved(SModelChildEvent event) {
processNodeChangedDefault();
}
@Override
public void beforeChildRemoved(SModelChildEvent event) {
}
@Override
public void referenceAdded(SModelReferenceEvent event) {
processNodeChangedDefault();
}
@Override
public void referenceRemoved(SModelReferenceEvent event) {
processNodeChangedDefault();
}
protected void processNodeChangedDefault() {
if (myDefaultNodeChangedProcessing == DefaultNodeChangedProcessing.DROP_DATA_SET) {
dropDataSet();
} else {
dropOwnerCache();
}
}
protected void dropDataSet() {
getOwnerCache().removeDataSet(this);
}
protected void dropOwnerCache() {
CachesManager.getInstance().removeCache(getOwnerCache().getKey());
}
}