Examples with TopicAnnounceReceiver com.swiftmq.impl.topic.standard.announce.TopicAnnounceReceiver used on opensource projects

Example 1 with TopicAnnounceReceiver

use of com.swiftmq.impl.topic.standard.announce.TopicAnnounceReceiver in project swiftmq-ce by iitsoftware.

the class TopicManagerImpl method startup.

protected void startup(Configuration config) throws SwiftletException {
    this.config = config;
    root = config;
    ctx = new TopicManagerContext();
    ctx.topicManager = this;
    ctx.traceSwiftlet = (TraceSwiftlet) SwiftletManager.getInstance().getSwiftlet("sys$trace");
    ctx.traceSpace = ctx.traceSwiftlet.getTraceSpace(TraceSwiftlet.SPACE_KERNEL);
    ctx.logSwiftlet = (LogSwiftlet) SwiftletManager.getInstance().getSwiftlet("sys$log");
    ctx.storeSwiftlet = (StoreSwiftlet) SwiftletManager.getInstance().getSwiftlet("sys$store");
    ctx.queueManager = (QueueManager) SwiftletManager.getInstance().getSwiftlet("sys$queuemanager");
    ctx.authSwiftlet = (AuthenticationSwiftlet) SwiftletManager.getInstance().getSwiftlet("sys$authentication");
    ctx.threadpoolSwiftlet = (ThreadpoolSwiftlet) SwiftletManager.getInstance().getSwiftlet("sys$threadpool");
    ctx.timerSwiftlet = (TimerSwiftlet) SwiftletManager.getInstance().getSwiftlet("sys$timer");
    if (ctx.traceSpace.enabled)
        ctx.traceSpace.trace(getName(), "startup ...");
    ctx.activeDurableList = (EntityList) root.getEntity("usage").getEntity("durables");
    ctx.activeSubscriberList = (EntityList) root.getEntity("usage").getEntity("subscriber");
    ctx.remoteSubscriberList = (EntityList) root.getEntity("usage").getEntity("subscriber-remote");
    if (ctx.remoteSubscriberList != null) {
        ctx.remoteSubscriberList.setEntityRemoveListener(new EntityRemoveListener() {

            public void onEntityRemove(Entity parent, Entity delEntity) throws EntityRemoveException {
                removeRemoteSubscriptions(delEntity.getName());
                if (ctx.announceSender != null)
                    ctx.announceSender.routerRemoved(delEntity.getName());
            }
        });
        new TopicAnnounceSender(ctx);
    }
    SwiftletManager.getInstance().addSwiftletManagerListener("sys$routing", new SwiftletManagerAdapter() {

        public void swiftletStarted(SwiftletManagerEvent evt) {
            try {
                ctx.routingSwiftlet = (RoutingSwiftlet) SwiftletManager.getInstance().getSwiftlet("sys$routing");
                if (ctx.traceSpace.enabled)
                    ctx.traceSpace.trace(getName(), "starting topic announcer ...");
                Route[] routes = ctx.routingSwiftlet.getRoutes();
                if (routes != null) {
                    for (int i = 0; i < routes.length; i++) {
                        ctx.announceSender.destinationAdded(routes[i]);
                    }
                }
                ctx.routingSwiftlet.addRoutingListener(ctx.announceSender);
            } catch (Exception e) {
                if (ctx.traceSpace.enabled)
                    ctx.traceSpace.trace(getName(), "swiftletStartet, exception=" + e);
            }
            ctx.announceSender.start();
            if (ctx.traceSpace.enabled)
                ctx.traceSpace.trace(getName(), "creating static remote subscriptions ...");
            try {
                createStaticRemoteRouterSubs();
            } catch (SwiftletException e) {
                e.printStackTrace();
                if (ctx.traceSpace.enabled)
                    ctx.traceSpace.trace(getName(), "creating static remote subscriptions ...");
                ctx.logSwiftlet.logError("sys$topicmanager", e.getMessage());
            }
        }
    });
    SwiftletManager.getInstance().addSwiftletManagerListener("sys$jndi", new SwiftletManagerAdapter() {

        public void swiftletStarted(SwiftletManagerEvent evt) {
            try {
                ctx.jndiSwiftlet = (JNDISwiftlet) SwiftletManager.getInstance().getSwiftlet("sys$jndi");
                if (ctx.traceSpace.enabled)
                    ctx.traceSpace.trace(getName(), "registering JNDI topics ...");
                Iterator iter = rootBrokers.entrySet().iterator();
                while (iter.hasNext()) {
                    TopicBroker broker = (TopicBroker) ((Map.Entry) iter.next()).getValue();
                    String[] names = broker.getTopicNames();
                    for (int i = 0; i < names.length; i++) {
                        registerJNDI(names[i], new TopicImpl(names[i]));
                    }
                }
            } catch (Exception e) {
                if (ctx.traceSpace.enabled)
                    ctx.traceSpace.trace(getName(), "swiftletStartet, exception=" + e);
            }
        }
    });
    if (ctx.traceSpace.enabled)
        ctx.traceSpace.trace(getName(), "startup: creating topics ...");
    ctx.logSwiftlet.logInformation(getName(), "startup: creating topics ...");
    try {
        createTopics((EntityList) root.getEntity("topics"));
    } catch (Exception e) {
        throw new SwiftletException(e.getMessage());
    }
    if (ctx.remoteSubscriberList != null) {
        topicQueue = TOPIC_QUEUE + '@' + SwiftletManager.getInstance().getRouterName();
        if (ctx.traceSpace.enabled)
            ctx.traceSpace.trace(getName(), "starting TopicAnnounceReceiver ...");
        try {
            new TopicAnnounceReceiver(ctx, topicQueue);
        } catch (Exception e) {
            throw new SwiftletException(e.getMessage());
        }
    }
    if (ctx.traceSpace.enabled)
        ctx.traceSpace.trace(getName(), "creating durable subscribers ... ");
    try {
        durableSubscriptions = loadDurables();
    } catch (Exception e) {
        throw new SwiftletException("error loading durable subscriptions: " + e);
    }
    Iterator iter = durableSubscriptions.keySet().iterator();
    while (iter.hasNext()) {
        String queueName = (String) iter.next();
        DurableSubscription durable = (DurableSubscription) durableSubscriptions.get(queueName);
        if (ctx.traceSpace.enabled)
            ctx.traceSpace.trace(getName(), "creating durable subscriber: " + durable);
        durableSubscriptions.put(durable.getQueueName(), durable);
        try {
            ctx.queueManager.createQueue(durable.getQueueName(), (ActiveLogin) null);
            TopicImpl topic = new TopicImpl(getQueueForTopic(durable.getTopicName()), durable.getTopicName());
            // it could be the topic isn't defined but it MUST for dursubs!
            try {
                createTopic(topic.getTopicName());
            } catch (Exception ignored) {
            }
            ActiveLogin dlogin = ctx.authSwiftlet.createActiveLogin(durable.getClientId(), DURABLE_TYPE);
            dlogin.setClientId(durable.getClientId());
            int id = subscribe(topic, durable.getSelector(), durable.isNoLocal(), durable.getQueueName(), dlogin);
            durable.setTopicSubscription((TopicSubscription) topicSubscriptions.get(id));
            Entity durEntity = ctx.activeDurableList.createEntity();
            durEntity.setName(durable.getQueueName());
            durEntity.setDynamicObject(durable);
            durEntity.createCommands();
            Property prop = durEntity.getProperty("clientid");
            prop.setValue(dlogin.getClientId());
            prop.setReadOnly(true);
            prop = durEntity.getProperty("durablename");
            prop.setValue(durable.getDurableName());
            prop.setReadOnly(true);
            prop = durEntity.getProperty("topic");
            prop.setValue(durable.getTopicName());
            prop.setReadOnly(true);
            prop = durEntity.getProperty("boundto");
            prop.setValue(durable.getQueueName());
            prop.setReadOnly(true);
            prop = durEntity.getProperty("nolocal");
            prop.setValue(new Boolean(durable.isNoLocal()));
            prop.setReadOnly(true);
            prop = durEntity.getProperty("selector");
            if (durable.getSelector() != null) {
                prop.setValue(durable.getSelector().getConditionString());
            }
            prop.setReadOnly(true);
            ctx.activeDurableList.addEntity(durEntity);
        } catch (Exception e) {
            e.printStackTrace();
            throw new SwiftletException(e.getMessage());
        }
    }
    ctx.activeDurableList.setEntityAddListener(new EntityChangeAdapter(null) {

        public void onEntityAdd(Entity parent, Entity newEntity) throws EntityAddException {
            try {
                if (programmaticDurableInProgress)
                    // do nothing
                    return;
                String clientId = (String) newEntity.getProperty("clientid").getValue();
                SwiftUtilities.verifyClientId(clientId);
                String durableName = (String) newEntity.getProperty("durablename").getValue();
                SwiftUtilities.verifyDurableName(durableName);
                if (!newEntity.getName().equals(clientId + "$" + durableName))
                    throw new Exception("The name of this entity must be: " + clientId + "$" + durableName + " (but it is " + newEntity.getName() + ")");
                if (clientId.indexOf('@') == -1) {
                    clientId = clientId + "@" + SwiftletManager.getInstance().getRouterName();
                    newEntity.getProperty("clientid").setValue(clientId);
                }
                String sel = (String) newEntity.getProperty("selector").getValue();
                MessageSelector selector = null;
                if (sel != null) {
                    selector = new MessageSelector(sel);
                    selector.compile();
                }
                String topicName = (String) newEntity.getProperty("topic").getValue();
                if (!isTopicDefined(topicName))
                    throw new Exception("Unknown topic: " + topicName);
                TopicImpl topic = verifyTopic(new TopicImpl(topicName));
                boolean noLocal = ((Boolean) newEntity.getProperty("nolocal").getValue()).booleanValue();
                ActiveLogin dlogin = ctx.authSwiftlet.createActiveLogin(clientId, DURABLE_TYPE);
                dlogin.setClientId(clientId);
                subscribeDurable(durableName, topic, selector, noLocal, dlogin, newEntity, false);
                if (ctx.traceSpace.enabled)
                    ctx.traceSpace.trace(getName(), "onEntityAdd (durable): new durable=" + newEntity.getName());
            } catch (Exception e) {
                throw new EntityAddException(e.getMessage());
            }
        }
    });
    ctx.activeDurableList.setEntityRemoveListener(new EntityChangeAdapter(null) {

        public void onEntityRemove(Entity parent, Entity delEntity) throws EntityRemoveException {
            try {
                DurableSubscription myDurable = (DurableSubscription) delEntity.getDynamicObject();
                ActiveLogin myLogin = ctx.authSwiftlet.createActiveLogin(myDurable.getClientId(), "DURABLE");
                myLogin.setClientId(myDurable.getClientId());
                deleteDurable(myDurable.getDurableName(), myLogin);
                if (ctx.traceSpace.enabled)
                    ctx.traceSpace.trace(getName(), "onEntityRemove (durable): del durable=" + myDurable);
            } catch (Exception e) {
                throw new EntityRemoveException(e.getMessage());
            }
        }
    });
    createSlowSubscriberConditions();
    SwiftletManager.getInstance().addSwiftletManagerListener("sys$scheduler", new SwiftletManagerAdapter() {

        public void swiftletStarted(SwiftletManagerEvent event) {
            jobRegistrar = new JobRegistrar(TopicManagerImpl.this, (SchedulerSwiftlet) SwiftletManager.getInstance().getSwiftlet("sys$scheduler"), ctx);
            jobRegistrar.register();
        }

        public void swiftletStopInitiated(SwiftletManagerEvent event) {
            jobRegistrar.unregister();
        }
    });
    if (ctx.traceSpace.enabled)
        ctx.traceSpace.trace(getName(), "startup done.");
}