/*
* Copyright 2003-2012 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.util.containers;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
public class SetBasedMultiMap<K, V> extends MultiMap<K, V> {
@Override
protected Collection<V> createCollection() {
return new HashSet<V>();
}
@Override
protected Collection<V> createEmptyCollection() {
return Collections.emptySet();
}
}