RedisTemplate自适应Redis配置模式config

RedisTemplate配置Java源码：

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import com.fasterxml.jackson.annotation.JsonAutoDetect; import com.fasterxml.jackson.annotation.PropertyAccessor; import com.fasterxml.jackson.databind.ObjectMapper; import lombok.extern.slf4j.Slf4j; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Value; import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean; import org.springframework.cache.Cache; import org.springframework.cache.CacheManager; import org.springframework.cache.annotation.CachingConfigurerSupport; import org.springframework.cache.annotation.EnableCaching; import org.springframework.cache.interceptor.CacheErrorHandler; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import org.springframework.data.redis.cache.RedisCacheManager; import org.springframework.data.redis.connection.*; import org.springframework.data.redis.connection.jedis.JedisClientConfiguration; import org.springframework.data.redis.connection.jedis.JedisConnectionFactory; import org.springframework.data.redis.core.RedisTemplate; import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer; import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer; import org.springframework.data.redis.serializer.RedisSerializer; import org.springframework.data.redis.serializer.StringRedisSerializer; import org.springframework.util.StringUtils; import redis.clients.jedis.HostAndPort; import redis.clients.jedis.JedisPoolConfig;   import java.util.LinkedHashSet; import java.util.Set;   /**  * 自适应Redis配置模式config  */ @Slf4j @Configuration @EnableCaching public class RedisTemplateConfig extends CachingConfigurerSupport {     @Value("${spring.redis.host:}")     private String node;     @Value("${spring.redis.timeout:0}")     private int timeout;     @Value("${spring.redis.password:}")     private String password;     @Value("${spring.redis.sentinel.nodes:}")     private String sentinel;     @Value("${spring.redis.sentinel.master:}")     private String master;     @Value("${spring.redis.database:0}")     private Integer database;       @Value("${spring.redis.jedis.pool.max-total:8}")     private int maxTotal;     @Value("${spring.redis.jedis.pool.max-idle:8}")     private int maxIdle;     @Value("${spring.redis.jedis.pool.min-idle:0}")     private int minIdle;     @Value("${spring.redis.jedis.pool.max-wait:-1}")     private long maxWaitMillis;     @Value("${spring.redis.jedis.pool.test-on-borrow:true}")     private boolean testOnBorrow;     @Value("${spring.redis.jedis.factory.max-redirects:5}")     private int maxRedirect;     @Autowired     private JedisPoolConfig jedisPoolConfig;     @Autowired     private JedisConnectionFactory jedisConnectionFactory;       @Bean     @ConditionalOnMissingBean     @Override     public CacheManager cacheManager() {         // 初始化缓存管理器，在这里我们可以缓存的整体过期时间什么的，我这里默认没有配置         log.info("初始化 -> [{}]", "CacheManager RedisCacheManager Start");         RedisCacheManager.RedisCacheManagerBuilder builder = RedisCacheManager                 .RedisCacheManagerBuilder                 .fromConnectionFactory(jedisConnectionFactory);         return builder.build();     }       @Bean     @ConditionalOnMissingBean     @Override     public CacheErrorHandler errorHandler() {         // 异常处理，当Redis发生异常时，打印日志，但是程序正常走         log.info("初始化 -> [{}]", "Redis CacheErrorHandler");         return new CacheErrorHandler() {             @Override             public void handleCacheGetError(RuntimeException e, Cache cache, Object key) {                 log.error("Redis occur handleCacheGetError：key -> [{}]", key, e);             }               @Override             public void handleCachePutError(RuntimeException e, Cache cache, Object key, Object value) {                 log.error("Redis occur handleCachePutError：key -> [{}]；value -> [{}]", key, value, e);             }               @Override             public void handleCacheEvictError(RuntimeException e, Cache cache, Object key) {                 log.error("Redis occur handleCacheEvictError：key -> [{}]", key, e);             }               @Override             public void handleCacheClearError(RuntimeException e, Cache cache) {                 log.error("Redis occur handleCacheClearError：", e);             }         };     }       @Bean     @ConditionalOnMissingBean     public JedisPoolConfig jedisPoolConfig() {         JedisPoolConfig config = new JedisPoolConfig();         // 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(maxWaitMillis);         //最小空闲连接数, 默认0         config.setMinIdle(minIdle);         //最大空闲连接数, 默认8个         config.setMaxIdle(maxIdle);         //最大连接数, 默认值8个         config.setMaxTotal(maxTotal);         //对拿到的connection进行validateObject校验         config.setTestOnBorrow(testOnBorrow);         return config;     }       @Bean     @ConditionalOnMissingBean     public JedisConnectionFactory jedisConnectionFactory() {         JedisConnectionFactory factory = null;           Set<HostAndPort> nodes = new LinkedHashSet<>();         if(!StringUtils.isEmpty(node)) {             String[] split = node.split(",");             for (String s : split) {                 try {                     String[] split1 = s.split(":");                     nodes.add(new HostAndPort(split1[0], Integer.parseInt(split1[1])));                 } catch (Exception e) {                     throw new RuntimeException(String.format("出现配置错误!请确认node=[%s]是否正确", node));                 }             }         }             //获得默认的连接池构造器         JedisClientConfiguration.JedisPoolingClientConfigurationBuilder jpcb =                 (JedisClientConfiguration.JedisPoolingClientConfigurationBuilder) JedisClientConfiguration.builder();         //指定jedisPoolConifig来修改默认的连接池构造器         jpcb.poolConfig(jedisPoolConfig);         //通过构造器来构造jedis客户端配置         JedisClientConfiguration jedisClientConfiguration = jpcb.build();         //如果是哨兵的模式         if (!StringUtils.isEmpty(sentinel)) {             log.info("Redis use SentinelConfiguration");             RedisSentinelConfiguration redisSentinelConfiguration = new RedisSentinelConfiguration();             String[] sentinelArray = sentinel.split(",");             for (String s : sentinelArray) {                 try {                     String[] split1 = s.split(":");                     redisSentinelConfiguration.addSentinel(new RedisNode(split1[0], Integer.parseInt(split1[1])));                 } catch (Exception e) {                     throw new RuntimeException(String.format("出现配置错误!请确认node=[%s]是否正确", node));                 }             }             redisSentinelConfiguration.setPassword(password);             redisSentinelConfiguration.setMaster(master);             redisSentinelConfiguration.setDatabase(database);             factory = new JedisConnectionFactory(redisSentinelConfiguration, jedisClientConfiguration);         }         //如果是单个节点 用Standalone模式         else if (nodes.size() == 1) {             log.info("Redis use RedisStandaloneConfiguration");             for (HostAndPort n : nodes) {                 RedisStandaloneConfiguration redisStandaloneConfiguration = new RedisStandaloneConfiguration();                 if (!StringUtils.isEmpty(password)) {                     redisStandaloneConfiguration.setPassword(RedisPassword.of(password));                 }                 redisStandaloneConfiguration.setPort(n.getPort());                 redisStandaloneConfiguration.setHostName(n.getHost());                 redisStandaloneConfiguration.setDatabase(database);                 factory = new JedisConnectionFactory(redisStandaloneConfiguration, jedisClientConfiguration);             }         }         //集群配置信息实现         else {             log.info("Redis use RedisStandaloneConfiguration");             RedisClusterConfiguration redisClusterConfiguration = new RedisClusterConfiguration();             nodes.forEach(n -> {                 redisClusterConfiguration.addClusterNode(new RedisNode(n.getHost(), n.getPort()));             });             if (!StringUtils.isEmpty(password)) {                 redisClusterConfiguration.setPassword(RedisPassword.of(password));             }             redisClusterConfiguration.setMaxRedirects(maxRedirect);             factory = new JedisConnectionFactory(redisClusterConfiguration, jedisClientConfiguration);         }         return factory;     }       @Bean     @ConditionalOnMissingBean     public RedisTemplate<String, Object> redisTemplate(JedisConnectionFactory jedisConnectionFactory) {         //设置序列化         Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);         ObjectMapper om = new ObjectMapper();         om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);         om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);         jackson2JsonRedisSerializer.setObjectMapper(om);         // 配置redisTemplate         RedisTemplate<String, Object> redisTemplate = new RedisTemplate<>();         redisTemplate.setConnectionFactory(jedisConnectionFactory);         RedisSerializer<String> stringSerializer = new StringRedisSerializer();         // key序列化         redisTemplate.setKeySerializer(stringSerializer);         // value序列化         redisTemplate.setValueSerializer(new GenericJackson2JsonRedisSerializer());         // Hash key序列化         redisTemplate.setHashKeySerializer(stringSerializer);         // Hash value序列化         redisTemplate.setHashValueSerializer(jackson2JsonRedisSerializer);         redisTemplate.afterPropertiesSet();         return redisTemplate;     } }

　　

application.properties配置：

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spring.redis.sentinel.master=mymaster spring.redis.sentinel.nodes=10.108.3.86:26379,10.108.3.186:26379,10.108.3.187:26379 spring.redis.password=vm-ubunut-sentinel spring.redis.database=0 spring.redis.timeout=1000 spring.redis.client-type=jedis #最大连接数, 默认值8个 spring.redis.jedis.pool.max-total=8 #最大空闲连接数, 默认8个 spring.redis.jedis.pool.max-idle=8 #最小空闲连接数, 默认0 spring.redis.jedis.pool.min-idle=0 #获取连接时的最大等待毫秒数,如果超时就抛异常, 小于零:阻塞不确定的时间, 默认-1 spring.redis.jedis.pool.max-wait=-1 #对拿到的connection进行validateObject校验 spring.redis.jedis.pool.test-on-borrow=true #集群时最大重定向个数默认5 spring.redis.jedis.factory.max-redirects=5

以上spring.redis.sentinel.nodes是我配置的局域网redis哨兵，有兴趣可移步查看：https://www.cnblogs.com/huyueping/p/16851934.html