/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.codehaus.groovy.runtime.memoize;
/**
* Represents a memoize cache with its essential methods
* @param <K> type of the keys
* @param <V> type of the values
*
* @author Vaclav Pech
*/
public interface MemoizeCache<K, V> {
V put(K key, V value);
V get(K key);
/**
* Invoked when some of the held SoftReferences have been evicted by the garbage collector and so should be removed from the cache.
* The implementation must ensure that concurrent invocations of all methods on the cache may occur from other threads
* and thus should protect any shared resources.
*/
void cleanUpNullReferences();
}