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support L1 caffeine and L2 redis cache

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package com.pig4cloud.plugin.cache;

import com.pig4cloud.plugin.cache.properties.CacheConfigProperties;
import com.pig4cloud.plugin.cache.support.CacheMessageListener;
import com.pig4cloud.plugin.cache.support.RedisCaffeineCacheManager;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.data.redis.RedisAutoConfiguration;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.listener.ChannelTopic;
import org.springframework.data.redis.listener.RedisMessageListenerContainer;
import org.springframework.data.redis.serializer.StringRedisSerializer;

/**
 * @author fuwei.deng
 * @version 1.0.0
 */
@Configuration(proxyBeanMethods = false)
@AutoConfigureAfter(RedisAutoConfiguration.class)
@EnableConfigurationProperties(CacheConfigProperties.class)
public class MultilevelCacheAutoConfiguration {

	@Bean
	@ConditionalOnBean(RedisTemplate.class)
	public RedisCaffeineCacheManager cacheManager(
			CacheConfigProperties cacheConfigProperties,
			RedisTemplate stringKeyRedisTemplate) {
		return new RedisCaffeineCacheManager(cacheConfigProperties, stringKeyRedisTemplate);
	}

	@Bean
	@ConditionalOnMissingBean(name = "stringKeyRedisTemplate")
	public RedisTemplate stringKeyRedisTemplate(RedisConnectionFactory redisConnectionFactory) {
		RedisTemplate template = new RedisTemplate<>();
		template.setConnectionFactory(redisConnectionFactory);
		template.setKeySerializer(new StringRedisSerializer());
		template.setHashKeySerializer(new StringRedisSerializer());
		return template;
	}

	@Bean
	public RedisMessageListenerContainer redisMessageListenerContainer(
			CacheConfigProperties cacheConfigProperties,
			RedisTemplate stringKeyRedisTemplate,
			RedisCaffeineCacheManager redisCaffeineCacheManager) {
		RedisMessageListenerContainer redisMessageListenerContainer = new RedisMessageListenerContainer();
		redisMessageListenerContainer.setConnectionFactory(stringKeyRedisTemplate.getConnectionFactory());
		CacheMessageListener cacheMessageListener = new CacheMessageListener(stringKeyRedisTemplate,
				redisCaffeineCacheManager);
		redisMessageListenerContainer.addMessageListener(cacheMessageListener,
				new ChannelTopic(cacheConfigProperties.getRedis().getTopic()));
		return redisMessageListenerContainer;
	}

}