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- package com.iformall.config;
-
- import org.slf4j.Logger;
- import org.slf4j.LoggerFactory;
- import org.springframework.cache.CacheManager;
- import org.springframework.cache.annotation.CachingConfigurerSupport;
- import org.springframework.cache.annotation.EnableCaching;
- import org.springframework.context.annotation.Bean;
- import org.springframework.context.annotation.Configuration;
- import org.springframework.data.redis.cache.RedisCacheConfiguration;
- import org.springframework.data.redis.cache.RedisCacheManager;
- import org.springframework.data.redis.connection.RedisConnectionFactory;
-
- import java.time.Duration;
- import java.util.HashMap;
- import java.util.HashSet;
- import java.util.Map;
- import java.util.Set;
-
- /**
- * Created by Stormeye on 2018/10/1.
- */
- @Configuration
- @EnableCaching
- public class RedisConfig extends CachingConfigurerSupport {
-
- private final Logger logger = LoggerFactory.getLogger(this.getClass());
-
- //缓存管理器
- @Bean
- public CacheManager cacheManager(RedisConnectionFactory connectionFactory) {
- /*
- //user信息缓存配置
- RedisCacheConfiguration userCacheConfiguration = RedisCacheConfiguration.defaultCacheConfig().entryTtl(Duration.ofSeconds(10)).disableCachingNullValues().prefixKeysWith("user");
- Map<String, RedisCacheConfiguration> redisCacheConfigurationMap = new HashMap<>();
- redisCacheConfigurationMap.put("user", userCacheConfiguration);
- //初始化一个RedisCacheWriter
- RedisCacheWriter redisCacheWriter = RedisCacheWriter.nonLockingRedisCacheWriter(connectionFactory);
- // 设置CacheManager的值序列化方式为JdkSerializationRedisSerializer,但其实RedisCacheConfiguration默认就是使用StringRedisSerializer序列化key,JdkSerializationRedisSerializer序列化value,所以以下注释代码为默认实现
- // ClassLoader loader = this.getClass().getClassLoader();
- // JdkSerializationRedisSerializer jdkSerializer = new JdkSerializationRedisSerializer(loader);
- // RedisSerializationContext.SerializationPair<Object> pair = RedisSerializationContext.SerializationPair.fromSerializer(jdkSerializer);
- // RedisCacheConfiguration defaultCacheConfig = RedisCacheConfiguration.defaultCacheConfig().serializeValuesWith(pair);
- RedisCacheConfiguration defaultCacheConfig = RedisCacheConfiguration.defaultCacheConfig();
- //设置默认超过期时间是30秒
- defaultCacheConfig.entryTtl(Duration.ofSeconds(30));
- //初始化RedisCacheManager
- RedisCacheManager cacheManager = new RedisCacheManager(redisCacheWriter, defaultCacheConfig, redisCacheConfigurationMap);
- return cacheManager;
- */
- RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig(); // 生成一个默认配置,通过config对象即可对缓存进行自定义配置
- config = config.entryTtl(Duration.ofMinutes(1)) // 设置缓存的默认过期时间,也是使用Duration设置
- .disableCachingNullValues(); // 不缓存空值
-
- // 设置一个初始化的缓存空间set集合
- Set<String> cacheNames = new HashSet<>();
- cacheNames.add("my-redis-cache1");
- cacheNames.add("my-redis-cache2");
-
- // 对每个缓存空间应用不同的配置
- Map<String, RedisCacheConfiguration> configMap = new HashMap<>();
- configMap.put("my-redis-cache1", config);
- configMap.put("my-redis-cache2", config.entryTtl(Duration.ofSeconds(120)));
-
- RedisCacheManager cacheManager = RedisCacheManager.builder(connectionFactory) // 使用自定义的缓存配置初始化一个cacheManager
- .initialCacheNames(cacheNames) // 注意这两句的调用顺序,一定要先调用该方法设置初始化的缓存名,再初始化相关的配置
- .withInitialCacheConfigurations(configMap)
- .build();
- return cacheManager;
- }
-
- }
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