Examples with MessageListener org.redisson.api.listener.MessageListener used on opensource projects

Example 1 with MessageListener

use of org.redisson.api.listener.MessageListener in project redisson by redisson.

the class QueueTransferTask method start.

public void start() {
    RTopic schedulerTopic = getTopic();
    statusListenerId = schedulerTopic.addListener(new BaseStatusListener() {

        @Override
        public void onSubscribe(String channel) {
            pushTask();
        }
    });
    messageListenerId = schedulerTopic.addListener(Long.class, new MessageListener<Long>() {

        @Override
        public void onMessage(CharSequence channel, Long startTime) {
            scheduleTask(startTime);
        }
    });
}

Example 2 with MessageListener

use of org.redisson.api.listener.MessageListener in project redisson by redisson.

the class RedissonReliableTopic method poll.

private void poll(String id, StreamMessageId startId) {
    readFuture = commandExecutor.readAsync(getRawName(), new CompositeCodec(StringCodec.INSTANCE, codec), RedisCommands.XREAD_BLOCKING_SINGLE, "BLOCK", 0, "STREAMS", getRawName(), startId);
    readFuture.whenComplete((res, ex) -> {
        if (readFuture.isCancelled()) {
            return;
        }
        if (ex != null) {
            if (ex instanceof RedissonShutdownException) {
                return;
            }
            log.error(ex.getMessage(), ex);
            commandExecutor.getConnectionManager().newTimeout(task -> {
                poll(id, startId);
            }, 1, TimeUnit.SECONDS);
            return;
        }
        commandExecutor.getConnectionManager().getExecutor().execute(() -> {
            res.values().forEach(entry -> {
                Object m = entry.get("m");
                listeners.values().forEach(e -> {
                    if (e.getType().isInstance(m)) {
                        ((MessageListener<Object>) e.getListener()).onMessage(getRawName(), m);
                    }
                });
            });
        });
        if (listeners.isEmpty()) {
            return;
        }
        StreamMessageId lastId = res.keySet().stream().skip(res.size() - 1).findFirst().get();
        long time = System.currentTimeMillis();
        RFuture<Boolean> updateFuture = commandExecutor.evalWriteAsync(getRawName(), StringCodec.INSTANCE, RedisCommands.EVAL_BOOLEAN, "local r = redis.call('zscore', KEYS[2], ARGV[2]); " + "if r ~= false then " + "local value = redis.call('incr', KEYS[4]); " + "redis.call('zadd', KEYS[2], value, ARGV[2]); " + "redis.call('hset', KEYS[3], ARGV[2], ARGV[1]); " + "end; " + "local t = redis.call('zrange', KEYS[5], 0, 0, 'WITHSCORES'); " + "if tonumber(t[2]) < tonumber(ARGV[3]) then " + "redis.call('hdel', KEYS[3], t[1]); " + "redis.call('zrem', KEYS[2], t[1]); " + "redis.call('zrem', KEYS[5], t[1]); " + "end; " + "local v = redis.call('zrange', KEYS[2], 0, 0); " + "local score = redis.call('hget', KEYS[3], v[1]); " + "local range = redis.call('xrange', KEYS[1], score, '+'); " + "if #range == 0 then " + "redis.call('del', KEYS[1]); " + "elseif #range == 1 and range[1][1] == score then " + "redis.call('del', KEYS[1]); " + "else " + "redis.call('xtrim', KEYS[1], 'maxlen', #range); " + "end;" + "return r ~= false; ", Arrays.asList(getRawName(), getSubscribersName(), getMapName(), getCounter(), getTimeout()), lastId, id, time);
        updateFuture.whenComplete((re, exc) -> {
            if (exc != null) {
                if (exc instanceof RedissonShutdownException) {
                    return;
                }
                log.error("Unable to update subscriber status", exc);
                return;
            }
            if (!re || listeners.isEmpty()) {
                return;
            }
            poll(id, lastId);
        });
    });
}

Example 3 with MessageListener

use of org.redisson.api.listener.MessageListener in project redisson by redisson.

the class RedissonTopicRx method getMessages.

public <M> Flowable<M> getMessages(Class<M> type) {
    ReplayProcessor<M> p = ReplayProcessor.create();
    return p.doOnRequest(new LongConsumer() {

        @Override
        public void accept(long n) throws Exception {
            AtomicLong counter = new AtomicLong(n);
            RFuture<Integer> t = topic.addListenerAsync(type, new MessageListener<M>() {

                @Override
                public void onMessage(CharSequence channel, M msg) {
                    p.onNext(msg);
                    if (counter.decrementAndGet() == 0) {
                        topic.removeListenerAsync(this);
                        p.onComplete();
                    }
                }
            });
            t.whenComplete((id, e) -> {
                if (e != null) {
                    p.onError(e);
                    return;
                }
                p.doOnCancel(new Action() {

                    @Override
                    public void run() throws Exception {
                        topic.removeListenerAsync(id);
                    }
                });
            });
        }
    });
}

Example 4 with MessageListener

use of org.redisson.api.listener.MessageListener in project redisson by redisson.

the class RedissonTopicReactiveTest method testRemoveListenerById.

@Test
public void testRemoveListenerById() throws InterruptedException {
    RTopicReactive topic1 = redisson.getTopic("topic1");
    MessageListener listener = new MessageListener() {

        @Override
        public void onMessage(CharSequence channel, Object msg) {
            Assertions.fail();
        }
    };
    Mono<Integer> res = topic1.addListener(Message.class, listener);
    Integer listenerId = res.block();
    topic1 = redisson.getTopic("topic1");
    topic1.removeListener(listenerId);
    topic1.publish(new Message("123"));
}

Example 5 with MessageListener

use of org.redisson.api.listener.MessageListener in project redisson by redisson.

the class RedissonTopicRxTest method testRemoveListenerByInstance.

@Test
public void testRemoveListenerByInstance() throws InterruptedException {
    RTopicRx topic1 = redisson.getTopic("topic1");
    MessageListener listener = new MessageListener() {

        @Override
        public void onMessage(CharSequence channel, Object msg) {
            Assertions.fail();
        }
    };
    topic1.addListener(Message.class, listener);
    topic1 = redisson.getTopic("topic1");
    topic1.removeListener(listener);
    topic1.publish(new Message("123"));
}