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package com.cybermkd.plugin.redis;
import com.cybermkd.common.util.Stringer;
import redis.clients.jedis.JedisCluster;
import java.util.concurrent.ConcurrentHashMap;
/**
* 创建人:T-baby
* 创建日期: 16/7/5
* 文件描述:
*/
public class RedisCluster {
// 主集群缓存
static JedisCluster mainCache = null;
// 集群缓存集合
private static final ConcurrentHashMap cacheMap = new ConcurrentHashMap();
/**
* 插入新集群缓存
*
* @param cacheName 集群缓存名称
* @param cache 集群缓存
*/
public static void addCache(String cacheName, JedisCluster cache) {
if (cache == null)
throw new IllegalArgumentException("cache can not be null");
if (cacheMap.containsKey(cacheName))
throw new IllegalArgumentException("The cache name already exists");
cacheMap.put(cacheName, cache);
if (mainCache == null)
mainCache = cache;
}
/**
* 删除集群缓存
*
* @param cacheName 集群缓存名称
* @return JedisCluster
*/
public static JedisCluster removeCache(String cacheName) {
return cacheMap.remove(cacheName);
}
/**
* 提供一个设置设置主集群缓存 mainCache 的机会，否则第一个被初始化的 Cache 将成为 mainCache
*/
public static void setMainCache(String cacheName) {
if (Stringer.isBlank(cacheName))
throw new IllegalArgumentException("cacheName can not be blank");
cacheName = cacheName.trim();
JedisCluster cache = cacheMap.get(cacheName);
if (cache == null)
throw new IllegalArgumentException("the cache not exists: " + cacheName);
RedisCluster.mainCache = cache;
}
/**
* 使用主集群缓存
*
* @return JedisCluster
*/
public static JedisCluster use() {
return mainCache;
}
/**
* 使用指定名称集群缓存
*
* @param cacheName 集群缓存名称
* @return JedisCluster
*/
public static JedisCluster use(String cacheName) {
return cacheMap.get(cacheName);
}
}