Redis重连机制lettuce连接工厂

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mob64ca140caeb2 2024-09-15 11:02:23

文章标签 java redis 重连 System 数据 redis 文章分类 Redis 数据库

packagecom.redis;importjava.util.ArrayList;importjava.util.Iterator;importjava.util.List;importjava.util.Set;importredis.clients.jedis.Jedis;importredis.clients.jedis.JedisPool;importredis.clients.jedis.JedisPoolConfig;importredis.clients.jedis.JedisShardInfo;importredis.clients.jedis.ShardedJedis;importredis.clients.jedis.ShardedJedisPool;importredis.clients.jedis.SortingParams;/*** 池的配置与连接
* 函数的使用
*@authorxutao
*2018年12月21日*/
public classRedisClient {private Jedis jedis;//非切片额客户端连接
private JedisPool jedisPool;//非切片连接池
private ShardedJedis shardedJedis;//切片额客户端连接
private ShardedJedisPool shardedJedisPool;//切片连接池
publicRedisClient()
{
initialPool();
initialShardedPool();
shardedJedis=shardedJedisPool.getResource();
jedis=jedisPool.getResource();
}/*** 初始化非切片池*/
private voidinitialPool()
{//池基本配置
JedisPoolConfig config = newJedisPoolConfig();
config.setMaxActive(20);
config.setMaxIdle(5);
config.setMaxWait(1000l);
config.setTestOnBorrow(false);
jedisPool= new JedisPool(config,"127.0.0.1",6379);
}/*** 初始化切片池*/
private voidinitialShardedPool()
{//池基本配置
JedisPoolConfig config = newJedisPoolConfig();
config.setMaxActive(20);
config.setMaxIdle(5);
config.setMaxWait(1000l);
config.setTestOnBorrow(false);//slave链接
List shards = new ArrayList();
shards.add(new JedisShardInfo("127.0.0.1", 6379));//构造池
shardedJedisPool = newShardedJedisPool(config, shards);
}public voidshow() {
KeyOperate();
StringOperate();
ListOperate();
SetOperate();
SortedSetOperate();
HashOperate();
jedisPool.returnResource(jedis);
shardedJedisPool.returnResource(shardedJedis);
}public voidKeyOperate() {
System.out.println("=========********************=========key==========================");//清空数据
System.out.println("清空库中所有数据："+jedis.flushDB());//判断key否存在
System.out.println("判断key999键是否存在："+shardedJedis.exists("key999"));
System.out.println("新增key001,value001键值对："+shardedJedis.set("key001", "value001"));
System.out.println("判断key001是否存在："+shardedJedis.exists("key001"));//输出系统中所有的key
System.out.println("新增key002,value002键值对："+shardedJedis.set("key002", "value002"));
System.out.println("系统中所有键如下：");
Set keys = jedis.keys("*");
Iterator it=keys.iterator() ;while(it.hasNext()){
String key=it.next();
System.out.println(key);
}//删除某个key,若key不存在，则忽略该命令。
System.out.println("系统中删除key002: "+jedis.del("key002"));
System.out.println("判断key002是否存在："+shardedJedis.exists("key002"));//设置 key001的过期时间
System.out.println("设置 key001的过期时间为5秒:"+jedis.expire("key001", 5));try{
Thread.sleep(2000);
}catch(InterruptedException e){
}//查看某个key的剩余生存时间,单位【秒】.永久生存或者不存在的都返回-1
System.out.println("查看key001的剩余生存时间："+jedis.ttl("key001"));//移除某个key的生存时间
System.out.println("移除key001的生存时间："+jedis.persist("key001"));
System.out.println("查看key001的剩余生存时间："+jedis.ttl("key001"));//查看key所储存的值的类型
System.out.println("查看key所储存的值的类型："+jedis.type("key001"));/** 一些其他方法：1、修改键名：jedis.rename("key6", "key0");

* 2、将当前db的key移动到给定的db当中：jedis.move("foo", 1)*/}public voidStringOperate() {

System.out.println("========********************==============String_1==========================");//清空数据
System.out.println("清空库中所有数据："+jedis.flushDB());
System.out.println("=============增=============");
jedis.set("key001","value001");
jedis.set("key002","value002");
jedis.set("key003","value003");
System.out.println("已新增的3个键值对如下：");
System.out.println(jedis.get("key001"));
System.out.println(jedis.get("key002"));
System.out.println(jedis.get("key003"));
System.out.println("=============删=============");
System.out.println("删除key003键值对："+jedis.del("key003"));
System.out.println("获取key003键对应的值："+jedis.get("key003"));
System.out.println("=============改=============");//1、直接覆盖原来的数据
System.out.println("直接覆盖key001原来的数据："+jedis.set("key001","value001-update"));
System.out.println("获取key001对应的新值："+jedis.get("key001"));//2、直接覆盖原来的数据
System.out.println("在key002原来值后面追加："+jedis.append("key002","+appendString"));
System.out.println("获取key002对应的新值"+jedis.get("key002"));
System.out.println("=============增，删，查(多个)=============");/*** mset,mget同时新增，修改，查询多个键值对
* 等价于：
* jedis.set("name","ssss");
* jedis.set("jarorwar","xxxx");*/System.out.println("一次性新增key201,key202,key203,key204及其对应值："+jedis.mset("key201","value201","key202","value202","key203","value203","key204","value204"));
System.out.println("一次性获取key201,key202,key203,key204各自对应的值："+jedis.mget("key201","key202","key203","key204"));
System.out.println("一次性删除key201,key202："+jedis.del(new String[]{"key201", "key202"}));
System.out.println("一次性获取key201,key202,key203,key204各自对应的值："+jedis.mget("key201","key202","key203","key204"));
System.out.println();//jedis具备的功能shardedJedis中也可直接使用，下面测试一些前面没用过的方法
System.out.println("======================String_2==========================");//清空数据
System.out.println("清空库中所有数据："+jedis.flushDB());
System.out.println("=============新增键值对时防止覆盖原先值=============");
System.out.println("原先key301不存在时，新增key301："+shardedJedis.setnx("key301", "value301"));
System.out.println("原先key302不存在时，新增key302："+shardedJedis.setnx("key302", "value302"));
System.out.println("当key302存在时，尝试新增key302："+shardedJedis.setnx("key302", "value302_new"));
System.out.println("获取key301对应的值："+shardedJedis.get("key301"));
System.out.println("获取key302对应的值："+shardedJedis.get("key302"));
System.out.println("=============超过有效期键值对被删除=============");//设置key的有效期，并存储数据
System.out.println("新增key303，并指定过期时间为2秒"+shardedJedis.setex("key303", 2, "key303-2second"));
System.out.println("获取key303对应的值："+shardedJedis.get("key303"));try{
Thread.sleep(3000);
}catch(InterruptedException e){
}
System.out.println("3秒之后，获取key303对应的值："+shardedJedis.get("key303"));
System.out.println("=============获取原值，更新为新值一步完成=============");
System.out.println("key302原值："+shardedJedis.getSet("key302", "value302-after-getset"));
System.out.println("key302新值："+shardedJedis.get("key302"));
System.out.println("=============获取子串=============");
System.out.println("获取key302对应值中的子串："+shardedJedis.getrange("key302", 5, 7));
}public voidListOperate() {
System.out.println("======********************======list==========================");//清空数据
System.out.println("清空库中所有数据："+jedis.flushDB());
System.out.println("=============增=============");
shardedJedis.lpush("stringlists", "vector");
shardedJedis.lpush("stringlists", "ArrayList");
shardedJedis.lpush("stringlists", "vector");
shardedJedis.lpush("stringlists", "vector");
shardedJedis.lpush("stringlists", "LinkedList");
shardedJedis.lpush("stringlists", "MapList");
shardedJedis.lpush("stringlists", "SerialList");
shardedJedis.lpush("stringlists", "HashList");
shardedJedis.lpush("numberlists", "3");
shardedJedis.lpush("numberlists", "1");
shardedJedis.lpush("numberlists", "5");
shardedJedis.lpush("numberlists", "2");
System.out.println("所有元素-stringlists："+shardedJedis.lrange("stringlists", 0, -1));
System.out.println("所有元素-numberlists："+shardedJedis.lrange("numberlists", 0, -1));
System.out.println("=============删=============");//删除列表指定的值 ，第二个参数为删除的个数(有重复时)，后add进去的值先被删，类似于出栈
System.out.println("成功删除指定元素个数-stringlists："+shardedJedis.lrem("stringlists", 2, "vector"));
System.out.println("删除指定元素之后-stringlists："+shardedJedis.lrange("stringlists", 0, -1));//删除区间以外的数据
System.out.println("删除下标0-3区间之外的元素："+shardedJedis.ltrim("stringlists", 0, 3));
System.out.println("删除指定区间之外元素后-stringlists："+shardedJedis.lrange("stringlists", 0, -1));//列表元素出栈
System.out.println("出栈元素："+shardedJedis.lpop("stringlists"));
System.out.println("元素出栈后-stringlists："+shardedJedis.lrange("stringlists", 0, -1));
System.out.println("=============改=============");//修改列表中指定下标的值
shardedJedis.lset("stringlists", 0, "hello list!");
System.out.println("下标为0的值修改后-stringlists："+shardedJedis.lrange("stringlists", 0, -1));
System.out.println("=============查=============");//数组长度
System.out.println("长度-stringlists："+shardedJedis.llen("stringlists"));
System.out.println("长度-numberlists："+shardedJedis.llen("numberlists"));//排序
/** list中存字符串时必须指定参数为alpha，如果不使用SortingParams，而是直接使用sort("list")，
* 会出现"ERR One or more scores can't be converted into double"*/SortingParams sortingParameters= newSortingParams();
sortingParameters.alpha();
sortingParameters.limit(0, 3);
System.out.println("返回排序后的结果-stringlists："+shardedJedis.sort("stringlists",sortingParameters));
System.out.println("返回排序后的结果-numberlists："+shardedJedis.sort("numberlists"));//子串： start为元素下标，end也为元素下标；-1代表倒数一个元素，-2代表倒数第二个元素
System.out.println("子串-第二个开始到结束："+shardedJedis.lrange("stringlists", 1, -1));//获取列表指定下标的值
System.out.println("获取下标为2的元素："+shardedJedis.lindex("stringlists", 2)+"\n");
}public voidSetOperate() {
System.out.println("=====********************========set==========================");//清空数据
System.out.println("清空库中所有数据："+jedis.flushDB());
System.out.println("=============增=============");
System.out.println("向sets集合中加入元素element001："+jedis.sadd("sets", "element001"));
System.out.println("向sets集合中加入元素element002："+jedis.sadd("sets", "element002"));
System.out.println("向sets集合中加入元素element003："+jedis.sadd("sets", "element003"));
System.out.println("向sets集合中加入元素element004："+jedis.sadd("sets", "element004"));
System.out.println("查看sets集合中的所有元素:"+jedis.smembers("sets"));
System.out.println();
System.out.println("=============删=============");
System.out.println("集合sets中删除元素element003："+jedis.srem("sets", "element003"));
System.out.println("查看sets集合中的所有元素:"+jedis.smembers("sets"));/*System.out.println("sets集合中任意位置的元素出栈："+jedis.spop("sets"));//注：出栈元素位置居然不定？--无实际意义
System.out.println("查看sets集合中的所有元素:"+jedis.smembers("sets"));*/System.out.println();
System.out.println("=============改=============");
System.out.println();
System.out.println("=============查=============");
System.out.println("判断element001是否在集合sets中："+jedis.sismember("sets", "element001"));
System.out.println("循环查询获取sets中的每个元素：");
Set set = jedis.smembers("sets");
Iterator it=set.iterator() ;while(it.hasNext()){
Object obj=it.next();
System.out.println(obj);
}
System.out.println();
System.out.println("=============集合运算=============");
System.out.println("sets1中添加元素element001："+jedis.sadd("sets1", "element001"));
System.out.println("sets1中添加元素element002："+jedis.sadd("sets1", "element002"));
System.out.println("sets1中添加元素element003："+jedis.sadd("sets1", "element003"));
System.out.println("sets1中添加元素element002："+jedis.sadd("sets2", "element002"));
System.out.println("sets1中添加元素element003："+jedis.sadd("sets2", "element003"));
System.out.println("sets1中添加元素element004："+jedis.sadd("sets2", "element004"));
System.out.println("查看sets1集合中的所有元素:"+jedis.smembers("sets1"));
System.out.println("查看sets2集合中的所有元素:"+jedis.smembers("sets2"));
System.out.println("sets1和sets2交集："+jedis.sinter("sets1", "sets2"));
System.out.println("sets1和sets2并集："+jedis.sunion("sets1", "sets2"));
System.out.println("sets1和sets2差集："+jedis.sdiff("sets1", "sets2"));//差集：set1中有，set2中没有的元素
}public voidSortedSetOperate() {
System.out.println("=========********************============zset==========================");//清空数据
System.out.println(jedis.flushDB());
System.out.println("=============增=============");
System.out.println("zset中添加元素element001："+shardedJedis.zadd("zset", 7.0, "element001"));
System.out.println("zset中添加元素element002："+shardedJedis.zadd("zset", 8.0, "element002"));
System.out.println("zset中添加元素element003："+shardedJedis.zadd("zset", 2.0, "element003"));
System.out.println("zset中添加元素element004："+shardedJedis.zadd("zset", 3.0, "element004"));
System.out.println("zset集合中的所有元素："+shardedJedis.zrange("zset", 0, -1));//按照权重值排序
System.out.println();
System.out.println("=============删=============");
System.out.println("zset中删除元素element002："+shardedJedis.zrem("zset", "element002"));
System.out.println("zset集合中的所有元素："+shardedJedis.zrange("zset", 0, -1));
System.out.println();
System.out.println("=============改=============");
System.out.println();
System.out.println("=============查=============");
System.out.println("统计zset集合中的元素中个数："+shardedJedis.zcard("zset"));
System.out.println("统计zset集合中权重某个范围内(1.0——5.0)，元素的个数："+shardedJedis.zcount("zset", 1.0, 5.0));
System.out.println("查看zset集合中element004的权重："+shardedJedis.zscore("zset", "element004"));
System.out.println("查看下标1到2范围内的元素值："+shardedJedis.zrange("zset", 1, 2));
}public voidHashOperate() {
System.out.println("=====********************=========hash==========================");//清空数据
System.out.println(jedis.flushDB());
System.out.println("=============增=============");
System.out.println("hashs中添加key001和value001键值对："+shardedJedis.hset("hashs", "key001", "value001"));
System.out.println("hashs中添加key002和value002键值对："+shardedJedis.hset("hashs", "key002", "value002"));
System.out.println("hashs中添加key003和value003键值对："+shardedJedis.hset("hashs", "key003", "value003"));
System.out.println("新增key004和4的整型键值对："+shardedJedis.hincrBy("hashs", "key004", 4l));
System.out.println("hashs中的所有值："+shardedJedis.hvals("hashs"));
System.out.println();
System.out.println("=============删=============");
System.out.println("hashs中删除key002键值对："+shardedJedis.hdel("hashs", "key002"));
System.out.println("hashs中的所有值："+shardedJedis.hvals("hashs"));
System.out.println();
System.out.println("=============改=============");
System.out.println("key004整型键值的值增加100："+shardedJedis.hincrBy("hashs", "key004", 100l));
System.out.println("hashs中的所有值："+shardedJedis.hvals("hashs"));
System.out.println();
System.out.println("=============查=============");
System.out.println("判断key003是否存在："+shardedJedis.hexists("hashs", "key003"));
System.out.println("获取key004对应的值："+shardedJedis.hget("hashs", "key004"));
System.out.println("批量获取key001和key003对应的值："+shardedJedis.hmget("hashs", "key001", "key003"));
System.out.println("获取hashs中所有的key："+shardedJedis.hkeys("hashs"));
System.out.println("获取hashs中所有的value："+shardedJedis.hvals("hashs"));
System.out.println();
}
}

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