/*
* Copyright 2000-2015 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 com.intellij.util.containers;
import org.jetbrains.annotations.NotNull;
import java.util.Set;
/**
* Allow to reuse equal strings to avoid memory being wasted on them. Strings are cached on weak references
* and garbage-collected when not needed anymore.
*
* @see WeakInterner
* @author peter
*/
public class WeakStringInterner extends StringInterner {
private final WeakInterner<String> myDelegate = new WeakInterner<String>();
@NotNull
@Override
public String intern(@NotNull String name) {
return myDelegate.intern(name);
}
@Override
public void clear() {
myDelegate.clear();
}
@NotNull
@Override
public Set<String> getValues() {
return myDelegate.getValues();
}
}