/*
* 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;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import javax.annotation.concurrent.ThreadSafe;
/**
* A facade for benchmark implementations.
*
* @author ben.manes@gmail.com (Ben Manes)
*/
@ThreadSafe
public interface BasicCache<K, V> {
/** Returns the value stored in the cache, or null if not present. */
@Nullable
V get(@Nonnull K key);
/** Stores the value into the cache, replacing an existing mapping if present. */
void put(@Nonnull K key, @Nonnull V value);
/** Invalidates all entries from the cache. */
void clear();
/** Performs any pending maintenance operations needed by the cache. */
default void cleanUp() {}
}