/*
* 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);
}