/* | |
* 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 com.alibaba.dubbo.cache.support; | |
import com.alibaba.dubbo.cache.Cache; | |
import com.alibaba.dubbo.cache.CacheFactory; | |
import com.alibaba.dubbo.common.Constants; | |
import com.alibaba.dubbo.common.URL; | |
import com.alibaba.dubbo.rpc.Invocation; | |
import java.util.concurrent.ConcurrentHashMap; | |
import java.util.concurrent.ConcurrentMap; | |
/** | |
* AbstractCacheFactory | |
*/ | |
public abstract class AbstractCacheFactory implements CacheFactory { | |
private final ConcurrentMap<String, Cache> caches = new ConcurrentHashMap<String, Cache>(); | |
@Override | |
public Cache getCache(URL url, Invocation invocation) { | |
url = url.addParameter(Constants.METHOD_KEY, invocation.getMethodName()); | |
String key = url.toFullString(); | |
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); | |
} |