/*
* Copyright 2015 Ben Manes. All Rights Reserved.
*
* 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.github.benmanes.caffeine.cache.simulator.policy;
import javax.annotation.concurrent.NotThreadSafe;
/**
* A cache that implements a page replacement policy.
*
* @author ben.manes@gmail.com (Ben Manes)
*/
@NotThreadSafe
public interface Policy {
/** Records that the entry was accessed. */
void record(long key);
/** Indicates that the recording has completed. */
default void finished() {}
/** Returns the cache efficiency statistics. */
PolicyStats stats();
}