/* | |
* 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.examples.cache; | |
import org.springframework.context.support.ClassPathXmlApplicationContext; | |
import com.alibaba.dubbo.examples.cache.api.CacheService; | |
/** | |
* CacheConsumer | |
* | |
* @author william.liangf | |
*/ | |
public class CacheConsumer { | |
public static void main(String[] args) throws Exception { | |
String config = CacheConsumer.class.getPackage().getName().replace('.', '/') + "/cache-consumer.xml"; | |
ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext(config); | |
context.start(); | |
CacheService cacheService = (CacheService)context.getBean("cacheService"); | |
// 测试缓存生效,多次调用返回同样的结果。(服务器端自增长返回值) | |
String fix = null; | |
for (int i = 0; i < 5; i ++) { | |
String result = cacheService.findCache("0"); | |
if (fix == null || fix.equals(result)) { | |
System.out.println("OK: " + result); | |
} else { | |
System.err.println("ERROR: " + result); | |
} | |
fix = result; | |
Thread.sleep(500); | |
} | |
// LRU的缺省cache.size为1000,执行1001次,应有溢出 | |
for (int n = 0; n < 1001; n ++) { | |
String pre = null; | |
for (int i = 0; i < 10; i ++) { | |
String result = cacheService.findCache(String.valueOf(n)); | |
if (pre != null && ! pre.equals(result)) { | |
System.err.println("ERROR: " + result); | |
} | |
pre = result; | |
} | |
} | |
// 测试LRU有移除最开始的一个缓存项 | |
String result = cacheService.findCache("0"); | |
if (fix != null && ! fix.equals(result)) { | |
System.out.println("OK: " + result); | |
} else { | |
System.err.println("ERROR: " + result); | |
} | |
} | |
} |