Redis監聽回調

當redis中key失效時進行回調操做

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數據過時監聽器*/
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);
    }

    /**
     * 針對redis數據失效事件，進行數據處理
     * @param message
     * @param pattern
     */
    @Override
    public void onMessage(Message message, byte[] pattern) {
　　　　　　　　
　　　　　　

　　　　　　// 獲取失效數據的key
　　　　　　String expiredKey = message.toString();

        
    }
}