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122 changes: 122 additions & 0 deletions
122
beautyssm_common/src/main/java/com/yingjun/ssm/common/util/cache/RedisClusterCache.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,122 @@ | ||
| package com.yingjun.ssm.common.util.cache; | ||
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| import com.yingjun.ssm.common.util.ProtoStuffSerializerUtil; | ||
| import org.springframework.beans.factory.annotation.Autowired; | ||
| import org.springframework.stereotype.Component; | ||
| import redis.clients.jedis.Jedis; | ||
| import redis.clients.jedis.JedisCluster; | ||
| import redis.clients.jedis.JedisPool; | ||
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| import java.util.*; | ||
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| /** | ||
| * redis缓存 | ||
| * | ||
| * 采用Jedis Cluster | ||
| * | ||
| * @author yingjun | ||
| * | ||
| */ | ||
| @Component | ||
| public class RedisClusterCache { | ||
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| public final static String CAHCENAME="cache";//缓存名 | ||
| public final static int CAHCETIME=60;//默认缓存时间 | ||
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| @Autowired | ||
| private JedisCluster jedisCluster; | ||
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| public <T> void putCache(String key, T obj) { | ||
| final byte[] bkey = key.getBytes(); | ||
| final byte[] bvalue = ProtoStuffSerializerUtil.serialize(obj); | ||
| jedisCluster.set(bkey,bvalue); | ||
| } | ||
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| public <T> void putCacheWithExpireTime(String key, T obj, int expireTime) { | ||
| final byte[] bkey = key.getBytes(); | ||
| final byte[] bvalue = ProtoStuffSerializerUtil.serialize(obj); | ||
| jedisCluster.setex(bkey, expireTime, bvalue); | ||
| } | ||
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| public <T> void putListCache(String key, List<T> objList) { | ||
| final byte[] bkey = key.getBytes(); | ||
| final byte[] bvalue = ProtoStuffSerializerUtil.serializeList(objList); | ||
| jedisCluster.set(bkey,bvalue); | ||
| } | ||
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| public <T> void putListCacheWithExpireTime(String key, List<T> objList, int expireTime) { | ||
| final byte[] bkey = key.getBytes(); | ||
| final byte[] bvalue = ProtoStuffSerializerUtil.serializeList(objList); | ||
| jedisCluster.setex(bkey, expireTime, bvalue); | ||
| } | ||
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| public <T> T getCache(final String key, Class<T> targetClass) { | ||
| byte[] result =jedisCluster.get(key.getBytes()); | ||
| if (result == null) { | ||
| return null; | ||
| } | ||
| return ProtoStuffSerializerUtil.deserialize(result, targetClass); | ||
| } | ||
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| public <T> List<T> getListCache(String key, Class<T> targetClass) { | ||
| byte[] result =jedisCluster.get(key.getBytes()); | ||
| if (result == null) { | ||
| return null; | ||
| } | ||
| return ProtoStuffSerializerUtil.deserializeList(result, targetClass); | ||
| } | ||
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| /** | ||
| * 精确删除key | ||
| * | ||
| * @param key | ||
| */ | ||
| public void deleteCache(String key) { | ||
| jedisCluster.del(key); | ||
| } | ||
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| /** | ||
| * 模糊删除key | ||
| * | ||
| * @param pattern | ||
| */ | ||
| public void deleteCacheWithPattern(String pattern) { | ||
| Set<String> keys =this.keys(pattern); | ||
| for(String key:keys){ | ||
| jedisCluster.del(key); | ||
| } | ||
| } | ||
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| /** | ||
| * 清空所有缓存 | ||
| */ | ||
| public void clearCache() { | ||
| deleteCacheWithPattern(RedisClusterCache.CAHCENAME+"|*"); | ||
| } | ||
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| /** | ||
| * 由于JedisCluster没有提供对keys命令的封装，只能自己实现 | ||
| * @param pattern | ||
| * @return | ||
| */ | ||
| public Set<String> keys(String pattern){ | ||
| Set<String> keys = new HashSet<>(); | ||
| Map<String, JedisPool> clusterNodes = jedisCluster.getClusterNodes(); | ||
| for(String k : clusterNodes.keySet()){ | ||
| JedisPool jp = clusterNodes.get(k); | ||
| Jedis connection = jp.getResource(); | ||
| try { | ||
| keys.addAll(connection.keys(pattern)); | ||
| } catch(Exception e){ | ||
| e.printStackTrace(); | ||
| } finally{ | ||
| //用完一定要close这个链接！！！ | ||
| connection.close(); | ||
| } | ||
| } | ||
| return keys; | ||
| } | ||
| } |
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