redis学习及实践3---Jedis、JedisPool、Jedis分布式实例介绍
package com.pptv.redis;import java.util.ArrayList;
import java.util.List;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;
import redis.clients.jedis.JedisPoolConfig;
import redis.clients.jedis.JedisShardInfo;
import redis.clients.jedis.ShardedJedis;
import redis.clients.jedis.ShardedJedisPool;
/**
* redis的Java客户端Jedis测试验证
*
* @author
*/
public>
/**
* 非切片客户端链接
*/
private Jedis jedis;
/**
* 非切片链接池
*/
private JedisPool jedisPool;
/**
* 切片客户端链接
*/
private ShardedJedis shardedJedis;
/**
* 切片链接池
*/
private ShardedJedisPool shardedJedisPool;
private String ip = "172.16.205.186";
/**
* 构造函数
*/
public Test() {
initialPool();
initialShardedPool();
shardedJedis = shardedJedisPool.getResource();
jedis = jedisPool.getResource();
}
private void initialPool() {
// 池基本配置
JedisPoolConfig config = new JedisPoolConfig();
config.setMaxActive(20);
config.setMaxIdle(5);
config.setMaxWait(1000l);
config.setTestOnBorrow(false);
jedisPool = new JedisPool(config, ip, 6379);
}
/**
* 初始化切片池
*/
private void initialShardedPool() {
// 池基本配置
JedisPoolConfig config = new JedisPoolConfig();
config.setMaxActive(20);
config.setMaxIdle(5);
config.setMaxWait(1000l);
config.setTestOnBorrow(false);
// slave链接
List shards = new ArrayList();
shards.add(new JedisShardInfo(ip, 6379, "master"));
// 构造池
shardedJedisPool = new ShardedJedisPool(config, shards);
}
public void show() {
// key检测
testKey();
// string检测
testString();
// list检测
testList();
// set检测
testSet();
// sortedSet检测
testSortedSet();
// hash检测
testHash();
shardedJedisPool.returnResource(shardedJedis);
}
private void testKey() {
System.out.println("=============key==========================");
// 清空数据
System.out.println(jedis.flushDB());
System.out.println(jedis.echo("foo"));
// 判断key否存在
System.out.println(shardedJedis.exists("foo"));
shardedJedis.set("key", "values");
System.out.println(shardedJedis.exists("key"));
}
private void testString() {
System.out.println("=============String==========================");
// 清空数据
System.out.println(jedis.flushDB());
// 存储数据
shardedJedis.set("foo", "bar");
System.out.println(shardedJedis.get("foo"));
// 若key不存在，则存储
shardedJedis.setnx("foo", "foo not exits");
System.out.println(shardedJedis.get("foo"));
// 覆盖数据
shardedJedis.set("foo", "foo update");
System.out.println(shardedJedis.get("foo"));
// 追加数据
shardedJedis.append("foo", " hello, world");
System.out.println(shardedJedis.get("foo"));
// 设置key的有效期，并存储数据
shardedJedis.setex("foo", 2, "foo not exits");
System.out.println(shardedJedis.get("foo"));
try {
Thread.sleep(3000);
} catch (InterruptedException e) {
}
System.out.println(shardedJedis.get("foo"));
// 获取并更改数据
shardedJedis.set("foo", "foo update");
System.out.println(shardedJedis.getSet("foo", "foo modify"));
// 截取value的值
System.out.println(shardedJedis.getrange("foo", 1, 3));
System.out.println(jedis.mset("mset1", "mvalue1", "mset2", "mvalue2",
"mset3", "mvalue3", "mset4", "mvalue4"));
System.out.println(jedis.mget("mset1", "mset2", "mset3", "mset4"));
System.out.println(jedis.del(new String[] { "foo", "foo1", "foo3" }));
}
private void testList() {
System.out.println("=============list==========================");
// 清空数据
System.out.println(jedis.flushDB());
// 添加数据
shardedJedis.lpush("lists", "vector");
shardedJedis.lpush("lists", "ArrayList");
shardedJedis.lpush("lists", "LinkedList");
// 数组长度
System.out.println(shardedJedis.llen("lists"));
// 排序
// System.out.println(shardedJedis.sort("lists"));
// 字串
System.out.println(shardedJedis.lrange("lists", 0, 3));
// 修改列表中单个值
shardedJedis.lset("lists", 0, "hello list!");
// 获取列表指定下标的值
System.out.println(shardedJedis.lindex("lists", 1));
// 删除列表指定下标的值
System.out.println(shardedJedis.lrem("lists", 1, "vector"));
// 删除区间以外的数据
System.out.println(shardedJedis.ltrim("lists", 0, 1));
// 列表出栈
System.out.println(shardedJedis.lpop("lists"));
// 整个列表值
System.out.println(shardedJedis.lrange("lists", 0, -1));
}
private void testSet() {
System.out.println("=============set==========================");
// 清空数据
System.out.println(jedis.flushDB());
// 添加数据
shardedJedis.sadd("sets", "HashSet");
shardedJedis.sadd("sets", "SortedSet");
shardedJedis.sadd("sets", "TreeSet");
// 判断value是否在列表中
System.out.println(shardedJedis.sismember("sets", "TreeSet"));
;
// 整个列表值
System.out.println(shardedJedis.smembers("sets"));
// 删除指定元素
System.out.println(shardedJedis.srem("sets", "SortedSet"));
// 出栈
System.out.println(shardedJedis.spop("sets"));
System.out.println(shardedJedis.smembers("sets"));
//
shardedJedis.sadd("sets1", "HashSet1");
shardedJedis.sadd("sets1", "SortedSet1");
shardedJedis.sadd("sets1", "TreeSet");
shardedJedis.sadd("sets2", "HashSet2");
shardedJedis.sadd("sets2", "SortedSet1");
shardedJedis.sadd("sets2", "TreeSet1");
// 交集
System.out.println(jedis.sinter("sets1", "sets2"));
// 并集
System.out.println(jedis.sunion("sets1", "sets2"));
// 差集
System.out.println(jedis.sdiff("sets1", "sets2"));
}
private void testSortedSet() {
System.out.println("=============zset==========================");
// 清空数据
System.out.println(jedis.flushDB());
// 添加数据
shardedJedis.zadd("zset", 10.1, "hello");
shardedJedis.zadd("zset", 10.0, ":");
shardedJedis.zadd("zset", 9.0, "zset");
shardedJedis.zadd("zset", 11.0, "zset!");
// 元素个数
System.out.println(shardedJedis.zcard("zset"));
// 元素下标
System.out.println(shardedJedis.zscore("zset", "zset"));
// 集合子集
System.out.println(shardedJedis.zrange("zset", 0, -1));
// 删除元素
System.out.println(shardedJedis.zrem("zset", "zset!"));
System.out.println(shardedJedis.zcount("zset", 9.5, 10.5));
// 整个集合值
System.out.println(shardedJedis.zrange("zset", 0, -1));
}
private void testHash() {
System.out.println("=============hash==========================");
// 清空数据
System.out.println(jedis.flushDB());
// 添加数据
shardedJedis.hset("hashs", "entryKey", "entryValue");
shardedJedis.hset("hashs", "entryKey1", "entryValue1");
shardedJedis.hset("hashs", "entryKey2", "entryValue2");
// 判断某个值是否存在
System.out.println(shardedJedis.hexists("hashs", "entryKey"));
// 获取指定的值
System.out.println(shardedJedis.hget("hashs", "entryKey"));
// 批量获取指定的值
System.out
.println(shardedJedis.hmget("hashs", "entryKey", "entryKey1"));
// 删除指定的值
System.out.println(shardedJedis.hdel("hashs", "entryKey"));
// 为key中的域 field 的值加上增量 increment
System.out.println(shardedJedis.hincrBy("hashs", "entryKey", 123l));
// 获取所有的keys
System.out.println(shardedJedis.hkeys("hashs"));
// 获取所有的values
System.out.println(shardedJedis.hvals("hashs"));
}
/**
* @param args
*/
public static void main(String[] args) {
new Test().show();
}
}
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