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  • Redis监听回调

    当redis中key失效时进行回调操作

    KeyExpirationEventMessageListener

    import org.apache.commons.lang3.StringUtils;
    import org.apache.commons.lang3.time.DateFormatUtils;
    import org.slf4j.Logger;
    import org.slf4j.LoggerFactory;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.data.redis.connection.Message;
    import org.springframework.data.redis.connection.MessageListener;
    import org.springframework.data.redis.listener.KeyExpirationEventMessageListener;
    import org.springframework.data.redis.listener.RedisMessageListenerContainer;
    
    import java.util.Date;
    
    /**
     * redis数据过期监听器*/
    public class RedisKeyExpirationListener extends KeyExpirationEventMessageListener {
    
        private Logger logger = LoggerFactory.getLogger(this.getClass());
    
        /**
         * Creates new {@link MessageListener} for {@code __keyevent@*__:expired} messages.
         *
         * @param listenerContainer must not be {@literal null}.
         */
        public RedisKeyExpirationListener(RedisMessageListenerContainer listenerContainer) {
            super(listenerContainer);
        }
    
        /**
         * 针对redis数据失效事件,进行数据处理
         * @param message
         * @param pattern
         */
        @Override
        public void onMessage(Message message, byte[] pattern) {
            
          
          // 获取失效数据的key
          String expiredKey = message.toString();

    } }
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  • 原文地址:https://www.cnblogs.com/wanhua-wu/p/9368165.html
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