Examples of org.cometd.bayeux.client.ClientSessionChannel.addListener()

Class org.cometd.bayeux.client.ClientSessionChannel

Examples of org.cometd.bayeux.client.ClientSessionChannel.addListener()

org.cometd.bayeux.client.ClientSessionChannel.addListener()

Adds a listener to this channel.

If the listener is a {@link MessageListener}, it will be invoked if a message arrives to this channel.

Adding a listener never involves communication with the server, differently from {@link #subscribe(MessageListener)}.

Listeners are best suited to receive messages from {@link #isMeta() meta channels}.
@param listener the listener to add @see #removeListener(ClientSessionChannelListener)

        checkArgument(handler != null, "handler can't be null");
        ensureConnection();
        final ClientSessionChannel channel = getChannel(object);
        final MessageListenerAdapter listener = new MessageListenerAdapter(handler, channel, object);
        final ClientSessionChannel metaSubscribeChannel = session.getChannel(ClientSessionChannel.META_SUBSCRIBE);
        metaSubscribeChannel.addListener(new SubscriptionSuccessListener(new SubscriptionRecord(object, handler) , listener, metaSubscribeChannel, channel));
        channel.subscribe(listener);


        return listener.getSubscription();
    }

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        BayeuxClient client = newBayeuxClient();


        final String channelName = "/service/deliver";
        ClientSessionChannel channel = client.getChannel(channelName);
        final CountDownLatch latch = new CountDownLatch(1);
        channel.addListener(new ClientSessionChannel.MessageListener()
        {
            public void onMessage(ClientSessionChannel channel, Message message)
            {
                if (!message.isPublishReply())
                    latch.countDown();

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        String loginChannelName = "/service/login";


        Map<String, Object> login1 = new HashMap<>();
        login1.put("user", "user1");
        ClientSessionChannel loginChannel1 = client1.getChannel(loginChannelName);
        loginChannel1.addListener(publishLatch);
        loginChannel1.publish(login1);
        Assert.assertTrue(publishLatch.await(5, TimeUnit.SECONDS));


        publishLatch.reset(1);
        Map<String, Object> login2 = new HashMap<>();

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        publishLatch.reset(1);
        Map<String, Object> login2 = new HashMap<>();
        login2.put("user", "user2");
        ClientSessionChannel loginChannel2 = client2.getChannel(loginChannelName);
        loginChannel2.addListener(publishLatch);
        loginChannel2.publish(login2);
        Assert.assertTrue(publishLatch.await(5, TimeUnit.SECONDS));


        Assert.assertTrue(presenceLatch.await(5, TimeUnit.SECONDS));

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        LatchListener publishLatch = new LatchListener();


        Map<String, Object> login1A = new HashMap<>();
        login1A.put("user", "user1");
        ClientSessionChannel loginChannel1A = client1A.getChannel("/service/login");
        loginChannel1A.addListener(publishLatch);
        loginChannel1A.publish(login1A);
        Assert.assertTrue(publishLatch.await(5, TimeUnit.SECONDS));


        // Login the same user to the same server with a different client
        publishLatch.reset(1);

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        // Login the same user to the same server with a different client
        publishLatch.reset(1);
        Map<String, Object> login1B = new HashMap<>();
        login1B.put("user", "user1");
        ClientSessionChannel loginChannel1B = client1B.getChannel("/service/login");
        loginChannel1B.addListener(publishLatch);
        loginChannel1B.publish(login1B);
        Assert.assertTrue(publishLatch.await(5, TimeUnit.SECONDS));


        // Login the same user to another server with a different client
        publishLatch.reset(1);

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        // Login the same user to another server with a different client
        publishLatch.reset(1);
        Map<String, Object> login1C = new HashMap<>();
        login1C.put("user", "user1");
        ClientSessionChannel loginChannel1C = client1C.getChannel("/service/login");
        loginChannel1C.addListener(publishLatch);
        loginChannel1C.publish(login1C);
        Assert.assertTrue(publishLatch.await(5, TimeUnit.SECONDS));


        publishLatch.reset(1);
        Map<String, Object> login2 = new HashMap<>();

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        publishLatch.reset(1);
        Map<String, Object> login2 = new HashMap<>();
        login2.put("user", "user2");
        ClientSessionChannel loginChannel2 = client3.getChannel("/service/login");
        loginChannel2.addListener(publishLatch);
        loginChannel2.publish(login2);
        Assert.assertTrue(publishLatch.await(5, TimeUnit.SECONDS));


        Assert.assertTrue(presenceLatch.await(5, TimeUnit.SECONDS));

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        // Disassociate client1A
        publishLatch.reset(1);
        Map<String, Object> logout = new HashMap<>();
        logout.put("user", "user1");
        ClientSessionChannel logoutChannel1A = client1A.getChannel("/service/logout");
        logoutChannel1A.addListener(publishLatch);
        logoutChannel1A.publish(logout);
        Assert.assertTrue(publishLatch.await(5, TimeUnit.SECONDS));


        // Send again the message from client3, now only client1B and client1C must get it
        counter.set(0);

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        LatchListener publishLatch = new LatchListener();
        Map<String, Object> login1 = new HashMap<>();
        String userId = "user1";
        login1.put("user", userId);
        ClientSessionChannel loginChannel1 = client1.getChannel("/service/login");
        loginChannel1.addListener(publishLatch);
        loginChannel1.publish(login1);
        Assert.assertTrue(publishLatch.await(5, TimeUnit.SECONDS));


        Assert.assertTrue(presenceOnLatch.await(5, TimeUnit.SECONDS));

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