dubbo Cache 源码
dubbo Cache 代码
文件路径：/dubbo-filter/dubbo-filter-cache/src/main/java/org/apache/dubbo/cache/Cache.java
/*
* 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.apache.dubbo.cache;
/**
* Cache interface to support storing and retrieval of value against a lookup key. It has two operation <b>get</b> and <b>put</b>.
* <li><b>put</b>-Storing value against a key.</li>
* <li><b>get</b>-Retrieval of object.</li>
* @see org.apache.dubbo.cache.support.lru.LruCache
* @see org.apache.dubbo.cache.support.jcache.JCache
* @see org.apache.dubbo.cache.support.expiring.ExpiringCache
* @see org.apache.dubbo.cache.support.threadlocal.ThreadLocalCache
*/
public interface Cache {
/**
* API to store value against a key
* @param key Unique identifier for the object being store.
* @param value Value getting store
*/
void put(Object key, Object value);
/**
* API to return stored value using a key.
* @param key Unique identifier for cache lookup
* @return Return stored object against key
*/
Object get(Object key);
}
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