jedis 连接池工具类

maven

 1 <properties>
 2         <jedis.version>3.0.1</jedis.version>
 3         <junit.verion>4.12</junit.verion>
 4         <log4j.verison>2.12.1</log4j.verison>
 5         <slf4j.version>1.7.28</slf4j.version>
 6         <!--<commons-pool2.version>2.6.2</commons-pool2.version>-->
 7     </properties>
 8 
 9     <dependencies>
10         <dependency>
11             <groupId>redis.clients</groupId>
12             <artifactId>jedis</artifactId>
13             <version>${jedis.version}</version>
14         </dependency>
15 
16         <dependency>
17             <groupId>junit</groupId>
18             <artifactId>junit</artifactId>
19             <version>${junit.verion}</version>
20             <scope>compile</scope>
21         </dependency>
22 
23         <dependency>
24             <groupId>org.apache.logging.log4j</groupId>
25             <artifactId>log4j-core</artifactId>
26             <version>${log4j.verison}</version>
27         </dependency>
28         <dependency>
29             <groupId>org.slf4j</groupId>
30             <artifactId>slf4j-api</artifactId>
31             <version>${slf4j.version}</version>
32         </dependency>
33         <dependency>
34             <groupId>org.slf4j</groupId>
35             <artifactId>slf4j-log4j12</artifactId>
36             <version>${slf4j.version}</version>
37         </dependency>
38     </dependencies>

View Code

redis.properties

 1 #最大闲置数
 2 redis.maxIdle=30
 3 #最小闲置数
 4 #redis.minIdle=10
 5 #最大连接数
 6 redis.maxTotal=100
 7 #连接安装redis服务器的IP地址
 8 redis.host=192.168.101.101
 9 #redis的默认端口
10 redis.port=6379

View Code

JedisUtil

 1 public class JedisUtil {
 2     private static Properties properties = new Properties();
 3     private static JedisPoolConfig config = new JedisPoolConfig();
 4     private static JedisPool pool;
 5 
 6     private JedisUtil() {
 7 
 8     }
 9 
10     static {
11         InputStream inputStream = JedisUtil.class.getClassLoader().getResourceAsStream("redis.properties");
12         try {
13             properties.load(inputStream);
14             config.setMaxTotal(Integer.parseInt(properties.getProperty("redis.maxTotal")));
15             config.setMaxIdle(Integer.parseInt(properties.getProperty("redis.maxIdle")));
16             pool = new JedisPool(config, properties.getProperty("redis.host"), Integer.parseInt(properties.getProperty("redis.port")));
17             if (inputStream != null) {
18                 inputStream.close();
19             }
20         } catch (IOException e) {
21             e.printStackTrace();
22         }
23 
24     }
25 
26 
27     public static Jedis getResource() {
28         return pool.getResource();
29     }
30 
31     public static void close(Jedis jedis) {
32         if (jedis != null) {
33             jedis.close();
34         }
35     }
36 
37     public static void shutdown() {
38         if (pool != null) {
39             if (pool.getNumActive() == 0) {
40                 pool.close();
41             }
42         }
43     }
44 }

Test

1         Jedis resource = JedisUtil.getResource();
2         System.out.println( resource.get("name"));
3         JedisUtil.close(resource);
4         JedisUtil.shutdown();