/* | |
* Copyright 1999-2012 Alibaba Group. | |
* | |
* 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.alibaba.dubbo.cache.support; | |
import java.util.concurrent.ConcurrentHashMap; | |
import java.util.concurrent.ConcurrentMap; | |
import com.alibaba.dubbo.cache.Cache; | |
import com.alibaba.dubbo.cache.CacheFactory; | |
import com.alibaba.dubbo.common.Constants; | |
import com.alibaba.dubbo.common.URL; | |
/** | |
* AbstractCacheFactory | |
* | |
* @author william.liangf | |
*/ | |
public abstract class AbstractCacheFactory implements CacheFactory { | |
private final ConcurrentMap<String, Cache> caches = new ConcurrentHashMap<String, Cache>(); | |
public Cache getCache(URL url, String name) { | |
String key = url.toFullString() + Constants.SEMICOLON_SEPARATOR + name; | |
Cache cache = caches.get(key); | |
if (cache == null) { | |
caches.put(key, createCache(url)); | |
cache = caches.get(key); | |
} | |
return cache; | |
} | |
protected abstract Cache createCache(URL url); | |
} |