Examples of io.netty.channel.local.LocalChannel.newPromise()

Class io.netty.channel.local.LocalChannel

Examples of io.netty.channel.local.LocalChannel.newPromise()

io.netty.channel.local.LocalChannel.newPromise()

    @SuppressWarnings("deprecation")
    public void testRegistrationAfterShutdown2() throws Exception {
        loopA.shutdown();
        final CountDownLatch latch = new CountDownLatch(1);
        Channel ch = new LocalChannel();
        ChannelPromise promise = ch.newPromise();
        promise.addListener(new ChannelFutureListener() {
            @Override
            public void operationComplete(ChannelFuture future) throws Exception {
                latch.countDown();
            }

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        // start the eventloops
        loopA.execute(NOOP);
        loopB.execute(NOOP);


        LocalChannel channel = new LocalChannel();
        ChannelPromise registerPromise = channel.newPromise();
        channel.unsafe().register(loopA, registerPromise);
        registerPromise.sync();


        for (int i = 0; i < numtasks; i++) {
            Queue<Long> timestamps = new LinkedBlockingQueue<Long>();

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        for (Queue<Long> timestamps : timestampsPerTask) {
            String message = String.format("size: %d, expected 0", timestamps.size());
            assertTrue(message, timestamps.isEmpty());
        }


        registerPromise = channel.newPromise();
        channel.unsafe().register(loopB, registerPromise);
        registerPromise.sync();


        // After the channel was registered with another eventloop the scheduled tasks should start executing again.
        // Same as above.

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        LocalChannel channel = new LocalChannel();
        boolean firstRun = true;
        ScheduledFuture<?> f = null;
        while (i.incrementAndGet() < 4) {
            ChannelPromise registerPromise = channel.newPromise();
            channel.unsafe().register(i.intValue() % 2 == 0 ? loopA : loopB, registerPromise);
            registerPromise.sync();


            if (firstRun) {
                f = channel.eventLoop().scheduleAtFixedRate(new Runnable() {

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        assertTrue(f.cancel(true));
        String message = String.format("size: %d, expected 0", timestamps.size());
        assertTrue(message, timestamps.isEmpty());


        // register again and check that it's not executed again.
        ChannelPromise registerPromise = channel.newPromise();
        channel.unsafe().register(loopA, registerPromise);
        registerPromise.sync();


        Thread.sleep(200);

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        // start the eventloops
        loopA.execute(NOOP);
        loopB.execute(NOOP);


        LocalChannel channel = new LocalChannel();
        ChannelPromise registerPromise = channel.newPromise();
        channel.unsafe().register(loopA, registerPromise);
        registerPromise.sync();


        assertThat(channel.eventLoop(), instanceOf(PausableEventExecutor.class));
        assertSame(loopA, channel.eventLoop().unwrap());

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        // no scheduled tasks must be executed after deregistration.
        String message = String.format("size: %d, expected 0", timestamps.size());
        assertTrue(message, timestamps.isEmpty());


        assertFalse(((PausableEventExecutor) channel.eventLoop()).isAcceptingNewTasks());
        registerPromise = channel.newPromise();
        channel.unsafe().register(loopB,  registerPromise);
        assertTrue(registerPromise.sync().isSuccess());
        assertTrue(((PausableEventExecutor) channel.eventLoop()).isAcceptingNewTasks());


        assertThat(channel.eventLoop(), instanceOf(PausableEventExecutor.class));

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        // start the eventloops
        loopA.execute(NOOP);
        loopB.execute(NOOP);


        LocalChannel channel = new LocalChannel();
        ChannelPromise registerPromise = channel.newPromise();
        channel.unsafe().register(loopA, registerPromise);
        registerPromise.sync();


        assertThat(channel.eventLoop(), instanceOf(PausableEventExecutor.class));
        assertSame(loopA, ((PausableEventExecutor) channel.eventLoop()).unwrap());

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        assertTrue(deregisterFuture.sync().isSuccess());


        Thread.sleep(1000);


        registerPromise = channel.newPromise();
        assertFalse(oneTimeScheduledTaskExecuted.get());
        channel.unsafe().register(loopB, registerPromise);
        registerPromise.sync();


        assertThat(channel.eventLoop(), instanceOf(PausableEventExecutor.class));

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