Redis(单机&集群)Pipeline工具类

亦凉 2022-12-24 14:59 170阅读 0赞

**笔者语录****：** 我只想让一切变得简单。  
**提示****：** 本文会先给出测试代码及测试效果(使用示例)，然后再贴工具类代码。

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## 性能对比(简单)测试(含使用示例)： ##

### 测试单机redis进行普通操作与pipeline操作： ###

*  测试代码  
    ![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2p1c3RyeV9kZW5n_size_16_color_FFFFFF_t_70_pic_center]
 *  测试结果  
    ![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2p1c3RyeV9kZW5n_size_16_color_FFFFFF_t_70_pic_center 1]

### 测试集群redis进行普通操作与pipeline操作value： ###

*  测试代码  
    ![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2p1c3RyeV9kZW5n_size_16_color_FFFFFF_t_70_pic_center 2]
 *  测试结果  
    ![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2p1c3RyeV9kZW5n_size_16_color_FFFFFF_t_70_pic_center 3]

### 测试集群redis进行普通操作与pipeline操作hash： ###

*  测试代码  
    ![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2p1c3RyeV9kZW5n_size_16_color_FFFFFF_t_70_pic_center 4]
 *  测试结果  
    ![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2p1c3RyeV9kZW5n_size_16_color_FFFFFF_t_70_pic_center 5]

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## Pipeline工具类： ##

* 相关(核心)依赖：
 
 <dependency>
 <groupId>org.springframework.boot</groupId>
 <artifactId>spring-boot-starter-data-redis</artifactId>
 <exclusions>
 <exclusion>
 <groupId>io.lettuce</groupId>
 <artifactId>lettuce-core</artifactId>
 </exclusion>
 </exclusions>
 </dependency>
 <dependency>
 <groupId>redis.clients</groupId>
 <artifactId>jedis</artifactId>
 </dependency>
 * **Pipeline工具类**
 
 import com.niantou.redispipeline.author.JustryDeng;
 import lombok.extern.slf4j.Slf4j;
 import net.jcip.annotations.ThreadSafe;
 import org.springframework.beans.BeansException;
 import org.springframework.beans.factory.ObjectProvider;
 import org.springframework.context.ApplicationContext;
 import org.springframework.context.ApplicationContextAware;
 import org.springframework.data.redis.connection.RedisClusterConnection;
 import org.springframework.data.redis.connection.RedisCommands;
 import org.springframework.data.redis.connection.RedisConnectionFactory;
 import org.springframework.data.redis.connection.jedis.JedisClusterConnection;
 import org.springframework.data.redis.core.RedisCallback;
 import org.springframework.data.redis.core.RedisTemplate;
 import org.springframework.data.redis.serializer.RedisSerializer;
 import org.springframework.lang.NonNull;
 import org.springframework.stereotype.Component;
 import org.springframework.util.Assert;
 import redis.clients.jedis.BinaryJedisCluster;
 import redis.clients.jedis.Jedis;
 import redis.clients.jedis.JedisCluster;
 import redis.clients.jedis.JedisClusterConnectionHandler;
 import redis.clients.jedis.JedisClusterInfoCache;
 import redis.clients.jedis.JedisPool;
 import redis.clients.jedis.Pipeline;
 import redis.clients.jedis.Response;
 import redis.clients.jedis.exceptions.JedisMovedDataException;
 import redis.clients.jedis.exceptions.JedisNoReachableClusterNodeException;
 import redis.clients.jedis.util.JedisClusterCRC16;
 
 import java.lang.reflect.Field;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
 import java.util.function.BiConsumer;
 import java.util.function.BiFunction;
 import java.util.function.Function;
 import java.util.stream.Collectors;
 
 /** * redis pipeline 工具类RedisTemplate * * @author {@link JustryDeng} * @since 2020/11/13 2:41:40 */
 @Slf4j
 @Component
 @ThreadSafe
 @SuppressWarnings("unused")
 public final class RedisPipelineUtil implements ApplicationContextAware { 
 
 private static RedisTemplate<?, ?> defaultRedisTemplate;
 
 /** * 获取key序列化器 * * @return key序列化器 */
 @NonNull
 public static RedisSerializer<Object> getKeySerializer() { 
 //noinspection unchecked
 return (RedisSerializer<Object>) defaultRedisTemplate.getKeySerializer();
 }
 
 /** * 获取value序列化器 * * @return value序列化器 */
 @NonNull
 public static RedisSerializer<Object> getValueSerializer() { 
 //noinspection unchecked
 return (RedisSerializer<Object>) defaultRedisTemplate.getValueSerializer();
 }
 
 /** * 获取hash-key序列化器 * * @return hash-key序列化器 */
 @NonNull
 public static RedisSerializer<Object> getHashKeySerializer() { 
 //noinspection unchecked
 return (RedisSerializer<Object>)defaultRedisTemplate.getHashKeySerializer();
 }
 
 /** * 获取hash-value序列化器 * * @return hash-value序列化器 */
 @NonNull
 public static RedisSerializer<Object> getHashValueSerializer() { 
 //noinspection unchecked
 return (RedisSerializer<Object>)defaultRedisTemplate.getHashValueSerializer();
 }
 
 /** * 流水线批量操作(单节点) * * 注: SessionCallback是对RedisCallback的进一步封装， 不过我们都已经使用pipeline了， 那干脆直接用RedisCallback好了。 * * @param biConsumer * 批量操作逻辑 * @param paramList * biConsumer用到的参数 * @return 结果集 */
 public static <R, P> List<R> pipeline4Standalone(BiConsumer<RedisCommands, P> biConsumer, final List paramList) { 
 //noinspection unchecked
 return (List<R>) defaultRedisTemplate.executePipelined((RedisCallback<R>) connection -> { 
 for (P p : paramList) { 
 biConsumer.accept(connection, p);
 }
 return null;
 }, defaultRedisTemplate.getValueSerializer());
 }
 
 /** * 流水线批量操作(单节点) * * 注: SessionCallback是对RedisCallback的进一步封装， 不过我们都已经使用pipeline了， 那干脆直接用RedisCallback好了。 * * @param redisTemplate * 操作模板 * @param biConsumer * 批量操作逻辑 * @param paramList * biConsumer用到的参数集合 * @return 结果集 */
 public static <R, P> List<R> pipeline4Standalone(RedisTemplate<?, ?> redisTemplate, BiConsumer<RedisCommands, P> biConsumer, final List paramList) { 
 //noinspection unchecked
 return (List<R>) redisTemplate.executePipelined((RedisCallback<R>) connection -> { 
 for (P p : paramList) { 
 biConsumer.accept(connection, p);
 }
 return null;
 }, redisTemplate.getValueSerializer());
 }
 
 /** * 由于字符串使用的相对较多， 这里官(本)方(人)直接对字符串提供出来一个操作 * * @see RedisPipelineUtil#pipeline4ClusterSimpleStr(RedisTemplate, BiFunction, List) */
 public static <R> List<R> pipeline4ClusterSimpleStr(BiFunction<Pipeline, PipelineParamSupplier<String>, Response<R>> biFunction,
 List<String> paramList)
 throws JedisMovedDataException { 
 return RedisPipelineUtil.pipeline4ClusterSimpleStr(defaultRedisTemplate, biFunction, paramList);
 }
 
 /** * @see RedisPipelineUtil#pipeline4Cluster(JedisCluster, BiFunction, List) */
 public static <R> List<R> pipeline4ClusterSimpleStr(@NonNull RedisTemplate<?, ?> redisTemplate,
 BiFunction<Pipeline, PipelineParamSupplier<String>, Response<R>> biFunction, List<String> paramList)
 throws JedisMovedDataException { 
 RedisConnectionFactory redisConnectionFactory = redisTemplate.getConnectionFactory();
 Assert.notNull(redisConnectionFactory, "redisConnectionFactory cannot be null");
 RedisClusterConnection clusterConnection = redisConnectionFactory.getClusterConnection();
 if (!(clusterConnection instanceof JedisClusterConnection)) { 
 throw new UnsupportedOperationException("cannot support RedisClusterConnection [" + clusterConnection.getClass().getName() + "]");
 }
 JedisCluster jedisCluster = ((JedisClusterConnection) clusterConnection).getNativeConnection();
 @SuppressWarnings("unchecked") RedisSerializer<Object> keySerializer = (RedisSerializer<Object>)redisTemplate.getKeySerializer();
 return RedisPipelineUtil.pipeline4ClusterSimpleStr(jedisCluster, keySerializer, biFunction, paramList);
 }
 
 /** * 为保证keySerializer与jedisCluster是配套的，这里将此方法私有化，不对外提供 * * @see RedisPipelineUtil#pipeline4Cluster(JedisCluster, BiFunction, List) */
 private static <R> List<R> pipeline4ClusterSimpleStr(@NonNull JedisCluster jedisCluster, RedisSerializer<Object> keySerializer,
 BiFunction<Pipeline, PipelineParamSupplier<String>, Response<R>> biFunction,
 List<String> paramList)
 throws JedisMovedDataException { 
 List<StringSelfSupplier> supplierParamList = paramList.stream().map(x -> new StringSelfSupplier(x, keySerializer)).collect(Collectors.toList());
 return RedisPipelineUtil.pipeline4Cluster(jedisCluster, biFunction, supplierParamList);
 }
 
 /** * @see RedisPipelineUtil#pipeline4Cluster(RedisTemplate, BiFunction, List) */
 public static , T, R> List<R> pipeline4Cluster(BiFunction<Pipeline, PipelineParamSupplier<T>, Response<R>> biFunction, List paramList)
 throws JedisMovedDataException { 
 return RedisPipelineUtil.pipeline4Cluster(defaultRedisTemplate, biFunction, paramList);
 }
 
 /** * @see RedisPipelineUtil#pipeline4Cluster(JedisCluster, BiFunction, List) */
 public static , T, R> List<R> pipeline4Cluster(@NonNull RedisTemplate<?, ?> redisTemplate,
 BiFunction<Pipeline, PipelineParamSupplier<T>, Response<R>> biFunction,
 List paramList)
 throws JedisMovedDataException { 
 RedisConnectionFactory redisConnectionFactory = redisTemplate.getConnectionFactory();
 Assert.notNull(redisConnectionFactory, "redisConnectionFactory cannot be null");
 RedisClusterConnection clusterConnection = redisConnectionFactory.getClusterConnection();
 if (!(clusterConnection instanceof JedisClusterConnection)) { 
 throw new UnsupportedOperationException("cannot support RedisClusterConnection [" + clusterConnection.getClass().getName() + "]");
 }
 return RedisPipelineUtil.pipeline4Cluster(((JedisClusterConnection) clusterConnection).getNativeConnection(), biFunction, paramList);
 }
 
 /** * (使用JedisCluster，实现)流水线批量操作(集群) * * @param jedisCluster * JedisCluster实例 * 其余参数 * @see JedisClusterPipeline#pipeline4Cluster(BiFunction, List) */
 public static , T, R> List<R> pipeline4Cluster(@NonNull JedisCluster jedisCluster,
 BiFunction<Pipeline, PipelineParamSupplier<T>, Response<R>> biFunction, List paramList)
 throws JedisMovedDataException { 
 JedisClusterPipeline jedisClusterPipeline = new JedisClusterPipeline(jedisCluster);
 return jedisClusterPipeline.pipeline(biFunction, paramList);
 }
 
 @Override
 @SuppressWarnings("rawtypes")
 public void setApplicationContext(ApplicationContext applicationContext) throws BeansException { 
 ObjectProvider<PipelineDefaultRedisTemplateProvider> defaultRedisTemplateProvider = applicationContext.getBeanProvider(PipelineDefaultRedisTemplateProvider.class);
 PipelineDefaultRedisTemplateProvider provider = defaultRedisTemplateProvider.getIfAvailable();
 if (provider != null) { 
 RedisTemplate<?, ?> obtainedRedisTemplate = provider.obtainDefaultRedisTemplate();
 RedisPipelineUtil.defaultRedisTemplate = obtainedRedisTemplate;
 log.info(" use [{}] as the default RedisPipelineUtil's RedisTemplate", obtainedRedisTemplate);
 } else { 
 // 初始化
 Map<String, RedisTemplate> beansOfType = applicationContext.getBeansOfType(RedisTemplate.class);
 Map.Entry<String, RedisTemplate> redisTemplateEntry = beansOfType.entrySet().stream()
 .findFirst().orElseThrow(() -> new IllegalArgumentException(" cannot find any RedisTemplate"));
 //noinspection
 RedisPipelineUtil.defaultRedisTemplate = redisTemplateEntry.getValue();
 log.info(" use [{}] as the default RedisPipelineUtil's RedisTemplate", redisTemplateEntry.getKey());
 }
 }
 
 /** * jedis使用pipeline操作redis-cluster辅助类 * * 参考并整理自 * <a href="https://blog.csdn.net/youaremoon/article/details/51751991?utm_medium=distribute.pc_relevant.none-task-blog-searchFromBaidu-2.control&depth_1-utm_source=distribute.pc_relevant.none-task-blog-searchFromBaidu-2.control"/> * <a href="https://www.cnblogs.com/xiaodf/p/11002184.html"/> * <a href="https://blog.csdn.net/xiaoliu598906167/article/details/82218525?utm_medium=distribute.pc_aggpage_search_result.none-task-blog-2~all~first_rank_v2~rank_v25-10-82218525.nonecase&utm_term=pipeline%20redis%20%E8%BF%94%E5%9B%9E%E5%80%BC&spm=1000.2123.3001.4430"/> * * @author {@link JustryDeng} * @since 2020/11/27 16:29:59 */
 static class JedisClusterPipeline { 
 
 private final JedisClusterConnectionHandler connectionHandler;
 
 private final JedisClusterInfoCache infoCache;
 
 public JedisClusterPipeline(JedisCluster jedisCluster) { 
 try { 
 Field connectionHandlerField = BinaryJedisCluster.class.getDeclaredField("connectionHandler");
 boolean accessible = connectionHandlerField.isAccessible();
 connectionHandlerField.setAccessible(true);
 this.connectionHandler = (JedisClusterConnectionHandler) connectionHandlerField.get(jedisCluster);
 connectionHandlerField.setAccessible(accessible);
 
 Field cacheField = JedisClusterConnectionHandler.class.getDeclaredField("cache");
 accessible = cacheField.isAccessible();
 cacheField.setAccessible(true);
 this.infoCache = (JedisClusterInfoCache) cacheField.get(connectionHandler);
 cacheField.setAccessible(accessible);
 } catch (Exception e) { 
 throw new RuntimeException(e);
 }
 }
 
 /** * (使用JedisCluster，实现)流水线批量操作(集群) * * 注: 【据说】对集群redis进行pipeline, Jedis比Lettuce快。 * * 泛型说明 * <ul> * <li>P：操作参数， 其需要实现{@link PipelineParamSupplier<T>}, 以获得 1.redis-key 2.最终进行pipeline的操作参数</li> * <li>T：最终的pipeline操作参数</li> * <li>R: 为返回的数据集合泛型</li> * </ul> * * @param biFunction * 批量操作逻辑 * @param paramList * biFunction会用到的参数 * @throws JedisMovedDataException * key对应的slot槽点变化时抛出 * @return 结果集 */
 , T, R> List<R> pipeline(BiFunction<Pipeline, PipelineParamSupplier<T>, Response<R>> biFunction,
 List paramList) throws JedisMovedDataException { 
 // 从paramList中抽取到对应的redis-key集合
 Map<byte[], P> redisKeyParamMap = paramList.stream().collect(Collectors.toMap(P::getRedisKey, Function.identity()));
 Set<byte[]> allKeys = redisKeyParamMap.keySet();
 Map<JedisPool, List<byte[]>> poolKeys = new HashMap<>(8);
 // 刷新集群信息
 connectionHandler.renewSlotCache();
 for (byte[] key : allKeys) { 
 int slot = JedisClusterCRC16.getSlot(key);
 JedisPool jedisPool = getJedisPoolFromSlot(slot);
 if (poolKeys.containsKey(jedisPool)) { 
 List<byte[]> keys = poolKeys.get(jedisPool);
 keys.add(key);
 } else { 
 List<byte[]> keys = new ArrayList<>();
 keys.add(key);
 poolKeys.put(jedisPool, keys);
 }
 }
 int size = allKeys.size();
 List<R> result = new ArrayList<>(size);
 List<Response<R>> responseList = new ArrayList<>(size);
 poolKeys.forEach((JedisPool jedisPool, List<byte[]> keys) -> { 
 Jedis jedis = jedisPool.getResource();
 Pipeline pipeline = jedis.pipelined();
 try { 
 keys.forEach(key -> responseList.add(biFunction.apply(pipeline, redisKeyParamMap.get(key))));
 } finally { 
 try { 
 pipeline.close();
 } catch (Exception e) { 
 log.error(e.getMessage());
 }
 try { 
 jedis.close();
 } catch (Exception e) { 
 log.error(e.getMessage());
 }
 }
 });
 responseList.forEach(response -> result.add(response.get()));
 return result;
 }
 
 /** * 根据槽点获取要对应使用的JedisPool */
 private JedisPool getJedisPoolFromSlot(int slot) { 
 JedisPool connectionPool = infoCache.getSlotPool(slot);
 if (connectionPool != null) { 
 // It can't guaranteed to get valid connection because of node assignment
 return connectionPool;
 } else { 
 // It's abnormal situation for cluster mode, that we have just nothing for slot, try to rediscover state
 // 刷新集群信息
 connectionHandler.renewSlotCache();
 connectionPool = infoCache.getSlotPool(slot);
 if (connectionPool != null) { 
 return connectionPool;
 } else { 
 throw new JedisNoReachableClusterNodeException("No reachable node in cluster for slot " + slot);
 }
 }
 }
 }
 
 /** * 可指定{@link RedisPipelineUtil#defaultRedisTemplate} * * 将会优先使用容器中被RedisTemplate4Pipeline标识了的RedisTemplate作为{@link RedisPipelineUtil#defaultRedisTemplate}， * 如果没有，则以容器中第一个RedisTemplate作为{@link RedisPipelineUtil#defaultRedisTemplate} * * @author {@link JustryDeng} * @since 2020/12/7 12:40:04 */
 public interface PipelineDefaultRedisTemplateProvider { 
 
 /** * 指定{@link RedisPipelineUtil#defaultRedisTemplate} * * @return 要设置的{@link RedisPipelineUtil#defaultRedisTemplate} */
 RedisTemplate<?, ?> obtainDefaultRedisTemplate();
 }
 
 /** * Jedis操作redis-cluster时， pipeline操作参数提供器 * * @author {@link JustryDeng} * @since 2020/11/28 16:45:40 */
 public interface PipelineParamSupplier<T> { 
 
 /** * 获取(序列化后的)redis key * * P.S. 在使用Pipeline操作集群时，redis key使用这个方法获取。 * * 注: 这里之所以要将【获取redis key】抽取为一个方法，是因为相关逻辑中有多个地方会用到。 如果这些地方在将key对象序列化为byte[]时， * 采用了不同的序列化方式， 那么可能存在数据槽slot定位不一致的问题， 进而(因代码不当)引起JedisMovedDataException异常。 * 为了避免上述问题，这里将获取redis-key的操作，抽取统一。 * * @return redis key */
 byte[] getRedisKey();
 
 /** * 获取pipeline操作需要的参数 * * P.S. 在使用Pipeline操作集群时，redis key使用这个方法获取。 * @return pipeline操作参数 */
 T getParam();
 }
 
 
 /** * 官(本)方(人)对常用的字符串提供PipelineParamSupplier实现 * * @author {@link JustryDeng} * @since 2020/11/25 22:06:23 */
 public static class StringSelfSupplier implements PipelineParamSupplier<String> { 
 
 private final String str;
 
 private final RedisSerializer<Object> keySerializer;
 
 public StringSelfSupplier(String str, RedisSerializer<Object> keySerializer) { 
 this.str = str;
 this.keySerializer = keySerializer;
 }
 
 @Override
 public byte[] getRedisKey() { 
 return keySerializer.serialize(getParam());
 }
 
 @Override
 public String getParam() { 
 return this.str;
 }
 }
 }

--------------------

**pipeline工具类，简单编写完毕！**

**^\_^ 如有不当之处，欢迎指正**

**^\_^ 参考链接  
         [https://blog.csdn.net/youaremoon…][https_blog.csdn.net_youaremoon]  
         [https://www.cnblogs.com/xiaodf…][https_www.cnblogs.com_xiaodf]  
         [https://blog.csdn.net/xiaoliu598906167…][https_blog.csdn.net_xiaoliu598906167]**

**^\_^ 测试代码托管链接  
         [https://github.com/JustryDeng…redis-pipeline][https_github.com_JustryDeng_redis-pipeline]**

**^\_^ 本文已经被收录进[《程序员成长笔记》 ][Link 1]，笔者JustryDeng**

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2p1c3RyeV9kZW5n_size_16_color_FFFFFF_t_70_pic_center]: /images/20221120/9f91e85f0ffb4a8986e69f642c4f8192.png
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[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2p1c3RyeV9kZW5n_size_16_color_FFFFFF_t_70_pic_center 2]: /images/20221120/729d74f1a95d453cac2a42ebbd316801.png
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[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2p1c3RyeV9kZW5n_size_16_color_FFFFFF_t_70_pic_center 4]: /images/20221120/3bac98200442410b8cb8bcb1138e681f.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2p1c3RyeV9kZW5n_size_16_color_FFFFFF_t_70_pic_center 5]: /images/20221120/71fbba1ea6c446d4bc4f34a91175ab5b.png
[https_blog.csdn.net_youaremoon]: https://blog.csdn.net/youaremoon/article/details/51751991?utm_medium=distribute.pc_relevant.none-task-blog-searchFromBaidu-2.control&depth_1-utm_source=distribute.pc_relevant.none-task-blog-searchFromBaidu-2.control
[https_www.cnblogs.com_xiaodf]: https://www.cnblogs.com/xiaodf/p/11002184.html
[https_blog.csdn.net_xiaoliu598906167]: https://blog.csdn.net/xiaoliu598906167/article/details/82218525?utm_medium=distribute.pc_aggpage_search_result.none-task-blog-2~all~first_rank_v2~rank_v25-10-82218525.nonecase&utm_term=pipeline%20redis%20%E8%BF%94%E5%9B%9E%E5%80%BC&spm=1000.2123.3001.4430
[https_github.com_JustryDeng_redis-pipeline]: https://github.com/JustryDeng/CommonRepository/tree/master/Abc_RedisPipeline_Demo
[Link 1]: https://gitee.com/JustryDeng/notebook