spring-data-redis連接操作redis的實現

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 <modelVersion>4.0.0</modelVersion>
 
 <groupId>com.snow</groupId>
 <artifactId>redis-test</artifactId>
 <version>0.0.1</version>
 <packaging>jar</packaging>
 
 <name>redis-test</name>
 <url>http://maven.apache.org</url>
 
 <properties>
  <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
  <spring.version>4.3.2.RELEASE</spring.version>
  <slf4j.version>1.7.12</slf4j.version>
  <log4j.version>1.2.17</log4j.version>
  <junit.version>4.12</junit.version>
  <spring-data-redis.version>1.7.2.RELEASE</spring-data-redis.version>
 </properties>
 
 <dependencies>
  <dependency>
   <groupId>org.springframework</groupId>
   <artifactId>spring-context</artifactId>
   <version>${spring.version}</version>
  </dependency>
  <dependency>
   <groupId>org.springframework</groupId>
   <artifactId>spring-test</artifactId>
   <version>${spring.version}</version>
   <scope>test</scope>
  </dependency>
 
  <dependency>
   <groupId>redis.clients</groupId>
   <artifactId>jedis</artifactId>
   <version>2.5.0</version>
   <type>jar</type>
  </dependency>
  <dependency>
   <groupId>org.springframework.data</groupId>
   <artifactId>spring-data-redis</artifactId>
   <version>${spring-data-redis.version}</version>
   <type>jar</type>
  </dependency>
 
  <!-- log -->
  <dependency>
   <groupId>log4j</groupId>
   <artifactId>log4j</artifactId>
   <version>${log4j.version}</version>
  </dependency>
  <dependency>
   <groupId>org.slf4j</groupId>
   <artifactId>slf4j-log4j12</artifactId>
   <version>${slf4j.version}</version>
  </dependency>
  <dependency>
   <groupId>org.slf4j</groupId>
   <artifactId>slf4j-api</artifactId>
   <version>${slf4j.version}</version>
  </dependency>
  <dependency>
   <groupId>junit</groupId>
   <artifactId>junit</artifactId>
   <version>${junit.version}</version>
   <scope>test</scope>
  </dependency>
 </dependencies>
</project>

    <!-- 配置方法見 //www.jb51.net/database/201311/254449.html -->
 <bean id="jedisPoolConfig" class="redis.clients.jedis.JedisPoolConfig">
   <property name="maxTotal" value="500"/> <!-- 控制一個pool可分配多少個jedis實例 --> 
   <property name="maxIdle" value="100"/><!-- 最大能夠保持idel狀態的對象數 -->
   <property name="maxWaitMillis" value="1000"/><!-- 表示當borrow一個jedis實例時，最大的等待時間，如果超過等待時間，則直接拋出JedisConnectionException --> 
   <property name="timeBetweenEvictionRunsMillis" value="30000"/><!-- 多長時間檢查一次連接池中空閑的連接 -->
   <property name="minEvictableIdleTimeMillis" value="30000"/><!-- 空閑連接多長時間後會被收回, 單位是毫秒 -->
   <property name="testOnBorrow" value="true"/> <!-- 當調用borrow Object方法時，是否進行有效性檢查 -->
   <property name="testOnReturn" value="true"/> <!-- 當調用return Object方法時，是否進行有效性檢查 -->
   <property name="testWhileIdle" value="true"/>
 </bean>
      
   <span style="white-space:pre"> </span><!-- 直連master -->
 <bean id="jedisConnectionFactory"
  class="org.springframework.data.redis.connection.jedis.JedisConnectionFactory">
  <constructor-arg ref="jedisPoolConfig" />
  <property name="hostName" value="${redis.hostName}" />
  <property name="port" value="${redis.port}" />
  <!-- <property name="password" value ="${redis.password}" /> -->
 </bean> 
    
    <span style="white-space:pre"> </span><bean id="redisTemplate" class="org.springframework.data.redis.core.StringRedisTemplate" > 
     <span style="white-space:pre"> </span><property name="connectionFactory" ref="jedisConnectionFactory" />  
    <span style="white-space:pre"> </span></bean>

redis.hostName=127.0.0.1
redis.port=6379

 <bean id="dbPropertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
  <property name="ignoreUnresolvablePlaceholders" value="true" />
  <property name="locations">
   <list>
    <value>classpath:redis.properties</value>
   </list>
  </property>
  <property name="fileEncoding" value="UTF-8" /><!-- 資源文件的編碼 -->
 </bean> 
 <import resource="classpath:application-context-redis.xml" />  

public interface RedisService { 
    public void setStr(String key, String value);    
    public String getStr(String key);    
    public void rPushList(String key, String value);
    public String lPopList(String key); 
    public void delKey(String key); 
}

@Service(value = "redisService")
public class RedisServiceImpl extends AbstractRedisDao<String, String> implements RedisService {
 
    @Override
    public void setStr(String key, String value) {
        getRedisTemplate().opsForValue().set(key, value);
    }
 
    @Override
    public String getStr(String key) {
        return getRedisTemplate().opsForValue().get(key);
    }
 
    @Override
    public void rPushList(String key, String value) {
        getRedisTemplate().opsForList().rightPush(key, value);
 
    }
 
    @Override
    public String lPopList(String key) {
        return getRedisTemplate().opsForList().leftPop(key);
    }
    
    @Override
    public void delKey(String key) {
        getRedisTemplate().delete(key);
    }
}

public abstract class AbstractRedisDao<K, V> {
 
    @Autowired
    protected RedisTemplate<K, V> redisTemplate;
 
    // 設置redisTemplate
    public void setRedisTemplate(RedisTemplate<K, V> redisTemplate) {
        this.redisTemplate = redisTemplate;
    }
 
    public RedisTemplate<K, V> getRedisTemplate() {
        return redisTemplate;
    }
}

public class RedisServiceTest extends AbstractUnitTest {
    private static final Logger logger = LoggerFactory.getLogger(RedisServiceTest.class);
 
    @Resource
    private RedisService redisService;
 
    @Test
    public void testSetStr() {
        String key = "test";
        String value = "valuetest";
        redisService.setStr(key, value);
    }
 
    @Test
    public void testGetStr() {
        String key = "test";
        String value = redisService.getStr(key);
        logger.info("The value is {}", value);
    }
 
    @Test
    public void testRPushList() {
        String key = "list";
        for (int i = 0; i < 10; i++) {
            redisService.rPushList(key, String.valueOf(i));
        }
    }
       
    @Test
    public void testLPopList() {
        String key = "list";
        
        for(int i = 0; i < 9; i++) {
            String value = redisService.lPopList(key);
            logger.info("lpop value is {}", value);
        }
    }
    
    @Test
    public void testDelKey() {
        String key = "list";
        redisService.delKey(key);
    } 
}

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = {"classpath:application-context.xml"})
public abstract class AbstractUnitTest {
    private static final Logger logger = LoggerFactory.getLogger(AbstractUnitTest.class);
 
//    @Test
//    public void stub() {
//        logger.info("msg from abstract unit test, just ignore this.");
//    }
 
    @After
    public void teardown() throws InterruptedException {
        logger.info("unit test complete.");
        TimeUnit.MILLISECONDS.sleep(500);// 因為有些測試是需要異步插入操作記錄的，sleep一下等待線程結束
    } 
}

public <T> T execute(RedisCallback<T> action, boolean exposeConnection) {
    return execute(action, exposeConnection, false);
}
// execute實現如下：
// org.springframework.data.redis.core.RedisTemplate<K, V> --- 最終實現
public <T> T execute(RedisCallback<T> action, boolean exposeConnection, boolean pipeline) {
    Assert.isTrue(initialized, "template not initialized; call afterPropertiesSet() before using it");
    Assert.notNull(action, "Callback object must not be null");
    RedisConnectionFactory factory = getConnectionFactory();
    RedisConnection conn = null;
    try {
        if (enableTransactionSupport) {
            // only bind resources in case of potential transaction synchronization
            conn = RedisConnectionUtils.bindConnection(factory, enableTransactionSupport);
        } else {
            conn = RedisConnectionUtils.getConnection(factory);
        }
        boolean existingConnection = TransactionSynchronizationManager.hasResource(factory);
        RedisConnection connToUse = preProcessConnection(conn, existingConnection);
        boolean pipelineStatus = connToUse.isPipelined();
        if (pipeline && !pipelineStatus) {
            connToUse.openPipeline();
        }
        RedisConnection connToExpose = (exposeConnection ? connToUse : createRedisConnectionProxy(connToUse));
        T result = action.doInRedis(connToExpose);
        // close pipeline
        if (pipeline && !pipelineStatus) {
            connToUse.closePipeline();
        }
        // TODO: any other connection processing?
        return postProcessResult(result, connToUse, existingConnection);
    } finally {
        if (!enableTransactionSupport) {
            RedisConnectionUtils.releaseConnection(conn, factory);
        }
    }
}