redis發佈、訂閱

@Setter
public final class RedisUserLoginRegisterSubscribe extends JedisPubSub {
    private static final Logger          log             = LoggerFactory.getLogger(REDIS_SUBPUB_LOGGER_NAME);
    /**
     * 訂閱處理
     */
    private final static ExecutorService executorService = Executors.newFixedThreadPool(32);

    /**
     * Redis 連接池
     */
    private JedisPool                           jedisPool;
    /**
     * 用戶註冊訂閱處理器
     */
    private UserLoginRegisterSubscribeProcessor userRegisterSubscribeProcessor;

    private boolean isSubscribe = true;

    public void init() {
        executorService.execute(() -> {
            log.info("初始化用戶註冊訂閱...");
            while (isSubscribe) {
                try (Jedis jedis = jedisPool.getResource()) {
                    jedis.subscribe(this, USER_REGISTER_PUBSUB_CHANNEL);
                } catch (Exception ex) {
                    log.error(ex.getMessage(),ex);
                }
                try {
                    Thread.sleep(500);
                } catch (InterruptedException e) {
                }
            }
        });
    }

    public void destroy() {
        log.info("用戶註冊訂閱開始銷燬處理...");
        if (!executorService.isShutdown()) {
            executorService.shutdown();
        }
        log.info("用戶註冊訂閱銷燬處理成功...");
    }

    @Override
    public void onMessage(String channel, String message) {
        executorService.execute(() -> {
            log.info("收到消息 channel:{}, message:{}", channel, message);
            UserLoginRegisterMessage userRegisterMessage = JSONObject.parseObject(message, UserLoginRegisterMessage.class);
            userRegisterMessage.setChannel(channel);
            userRegisterSubscribeProcessor.process(userRegisterMessage);
        });
    }

    @Override
    public void onPUnsubscribe(String pattern, int subscribedChannels) {
        isSubscribe = false;
    }

    @Override
    public void onUnsubscribe(String channel, int subscribedChannels) {
        isSubscribe = false;
    }
}

訂閱處理接口

public interface UserLoginRegisterSubscribeProcessor {

    /**
     * 訂閱接受到用戶註冊消息的處理
     *
     * @param message {@link UserLoginRegisterMessage}
     */
    void process(UserLoginRegisterMessage message);
}

redis發佈：

rs = jedis.publish(USER_REGISTER_PUBSUB_CHANNEL, JSON.toJSONString(userRegisterMessage));

訂閱：

* <bean id="userRegisterSubscribeProcessor" class="...實現類"/>
*
* <bean id="redisUserRegisterSubscribe" init-method="init" destroy-method="destroy"
*         class="com.***.usercore.sdk.pubsub.RedisUserLoginRegisterSubscribe">
*     <property name="jedisPool" ref="jedisPool"/>
*     <property name="userRegisterSubscribeProcessor" ref="userRegisterSubscribeProcessor"/>
* </bean>