/*
* Copyright 2003-2014 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.classloading;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.mps.openapi.module.SModule;
import org.jetbrains.mps.openapi.module.SModuleReference;
import java.util.Collection;
import java.util.LinkedHashMap;
import java.util.Map;
public class ReferenceStorage<M extends SModule> {
private final Map<SModuleReference, M> myRefToModuleMap = new LinkedHashMap<SModuleReference, M>();
public M moduleAdded(@NotNull M module) {
SModuleReference mRef = module.getModuleReference();
return myRefToModuleMap.put(mRef, module);
}
public M moduleRemoved(@NotNull SModuleReference moduleReference) {
return myRefToModuleMap.remove(moduleReference);
}
@Nullable
public M resolveRef(SModuleReference mRef) {
return myRefToModuleMap.get(mRef);
}
public int size() {
return myRefToModuleMap.size();
}
public Collection<SModuleReference> getRefs() {
return myRefToModuleMap.keySet();
}
}