forked from fanruan/demo-tabledata-redis
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
75 lines
3.4 KiB
75 lines
3.4 KiB
package com.fr.plugin.db.redis.core; |
|
|
|
import com.fr.stable.StringUtils; |
|
import com.fr.third.redis.clients.jedis.Jedis; |
|
import com.fr.third.redis.clients.jedis.JedisPool; |
|
import com.fr.third.redis.clients.jedis.JedisPoolConfig; |
|
|
|
import java.util.Map; |
|
import java.util.concurrent.ConcurrentHashMap; |
|
|
|
/** |
|
* @author richie |
|
* @version 10.0 |
|
* Created by richie on 2019-03-18 |
|
*/ |
|
public class RedisPool { |
|
|
|
private static final int TIME_OUT = 100 * 1000; |
|
|
|
private static RedisPool pool = new RedisPool(); |
|
|
|
public static RedisPool getPool() { |
|
return pool; |
|
} |
|
|
|
private Map<String, JedisPool> jedisPoolMap = new ConcurrentHashMap<String, JedisPool>(); |
|
|
|
public Jedis getResource(String host, int port, String password, int maxTotal) { |
|
JedisPool jedisPool = jedisPoolMap.get(host); |
|
if (jedisPool == null) { |
|
jedisPool = createJedisPool(host, port, password, maxTotal); |
|
jedisPoolMap.put(host, jedisPool); |
|
} |
|
return jedisPool.getResource(); |
|
} |
|
|
|
private JedisPool createJedisPool(String host, int port, String password, int maxTotal) { |
|
JedisPoolConfig config = new JedisPoolConfig(); |
|
config.setMaxTotal(maxTotal); |
|
//连接耗尽时是否阻塞, false报异常,ture阻塞直到超时, 默认true |
|
config.setBlockWhenExhausted(true); |
|
//设置的逐出策略类名, 默认DefaultEvictionPolicy(当连接超过最大空闲时间,或连接数超过最大空闲连接数) |
|
config.setEvictionPolicyClassName("com.fr.third.org.apache.commons.pool2.impl.DefaultEvictionPolicy"); |
|
//是否启用pool的jmx管理功能, 默认true |
|
config.setJmxEnabled(true); |
|
//MBean ObjectName = new ObjectName("org.apache.commons.pool2:type=GenericObjectPool,name=" + "pool" + i); 默认为"pool", JMX不熟,具体不知道是干啥的...默认就好. |
|
config.setJmxNamePrefix("pool"); |
|
//是否启用后进先出, 默认true |
|
config.setLifo(true); |
|
//最大空闲连接数 |
|
config.setMaxIdle(10); |
|
//最大连接数,可配置 |
|
//获取连接时的最大等待毫秒数(如果设置为阻塞时BlockWhenExhausted),如果超时就抛异常, 小于零:阻塞不确定的时间, 默认-1 |
|
config.setMaxWaitMillis(-1); |
|
//逐出连接的最小空闲时间 默认1800000毫秒(30分钟) |
|
config.setMinEvictableIdleTimeMillis(1800000); |
|
//最小空闲连接数, 默认0 |
|
config.setMinIdle(0); |
|
//每次逐出检查时 逐出的最大数目 如果为负数就是 : 1/abs(n), 默认3 |
|
config.setNumTestsPerEvictionRun(3); |
|
//对象空闲多久后逐出, 当空闲时间>该值 且 空闲连接>最大空闲数 时直接逐出,不再根据MinEvictableIdleTimeMillis判断 (默认逐出策略) |
|
config.setSoftMinEvictableIdleTimeMillis(1800000); |
|
//在获取连接的时候检查有效性, 默认false |
|
config.setTestOnBorrow(false); |
|
//在空闲时检查有效性, 默认false |
|
config.setTestWhileIdle(false); |
|
//逐出扫描的时间间隔(毫秒) 如果为负数,则不运行逐出线程, 默认-1 |
|
config.setTimeBetweenEvictionRunsMillis(-1); |
|
if (StringUtils.isNotBlank(password)) { |
|
return new JedisPool(config, host, port, TIME_OUT, password); |
|
} else { |
|
return new JedisPool(config, host, port, TIME_OUT); |
|
} |
|
} |
|
}
|
|
|