Examples with StartFactoryAtomCreationEvent won.bot.framework.eventbot.event.impl.factory.StartFactoryAtomCreationEvent used on opensource projects

Example 1 with StartFactoryAtomCreationEvent

use of won.bot.framework.eventbot.event.impl.factory.StartFactoryAtomCreationEvent in project webofneeds by researchstudio-sat.

the class InitFactoryAction method doRun.

@Override
protected void doRun(Event event, EventListener executingListener) throws Exception {
    if (!(event instanceof InitializeEvent) || !(getEventListenerContext().getBotContextWrapper() instanceof FactoryBotContextWrapper)) {
        logger.error("InitFactoryAction can only handle InitializeEvent with FactoryBotContextWrapper");
        return;
    }
    EventListenerContext ctx = getEventListenerContext();
    EventBus bus = ctx.getEventBus();
    FactoryBotContextWrapper botContextWrapper = (FactoryBotContextWrapper) ctx.getBotContextWrapper();
    // create a targeted counter that will publish an event when the target is
    // reached
    // in this case, 0 unfinished atom creations means that all atoms were created
    final TargetCounterDecorator creationUnfinishedCounter = new TargetCounterDecorator(ctx, new CounterImpl("creationUnfinished"), 0);
    BotTrigger createFactoryAtomTrigger = new BotTrigger(ctx, Duration.ofMillis(FACTORYATOMCREATION_DURATION_INMILLIS));
    createFactoryAtomTrigger.activate();
    bus.subscribe(StartFactoryAtomCreationEvent.class, new ActionOnFirstEventListener(ctx, new PublishEventAction(ctx, new StartBotTriggerCommandEvent(createFactoryAtomTrigger))));
    bus.subscribe(BotTriggerEvent.class, new ActionOnTriggerEventListener(ctx, createFactoryAtomTrigger, new BaseEventBotAction(ctx) {

        @Override
        protected void doRun(Event event, EventListener executingListener) throws Exception {
            if (isTooManyMessagesInFlight(messagesInFlightCounter)) {
                return;
            }
            adjustTriggerInterval(createFactoryAtomTrigger, messagesInFlightCounter);
            // defined via spring
            AtomProducer atomProducer = ctx.getAtomProducer();
            Dataset dataset = atomProducer.create();
            if (dataset == null && atomProducer.isExhausted()) {
                bus.publish(new AtomProducerExhaustedEvent());
                bus.unsubscribe(executingListener);
                return;
            }
            URI atomUriFromProducer = null;
            Resource atomResource = WonRdfUtils.AtomUtils.getAtomResource(dataset);
            if (atomResource.isURIResource()) {
                atomUriFromProducer = URI.create(atomResource.getURI());
            }
            if (atomUriFromProducer != null) {
                URI atomURI = botContextWrapper.getURIFromInternal(atomUriFromProducer);
                if (atomURI != null) {
                    bus.publish(new FactoryAtomCreationSkippedEvent());
                } else {
                    bus.publish(new CreateAtomCommandEvent(dataset, botContextWrapper.getFactoryListName()));
                }
            }
        }
    }));
    bus.subscribe(CreateAtomCommandSuccessEvent.class, // decrease the
    new DecrementCounterAction(ctx, creationUnfinishedCounter), // count a successful atom
    new IncrementCounterAction(ctx, atomCreationSuccessfulCounter), // creation
    new BaseEventBotAction(ctx) {

        @Override
        protected void doRun(Event event, EventListener executingListener) throws Exception {
            if (event instanceof CreateAtomCommandSuccessEvent) {
                CreateAtomCommandSuccessEvent atomCreatedEvent = (CreateAtomCommandSuccessEvent) event;
                botContextWrapper.addInternalIdToUriReference(atomCreatedEvent.getAtomUriBeforeCreation(), atomCreatedEvent.getAtomURI());
            }
        }
    });
    bus.subscribe(CreateAtomCommandEvent.class, // execute the atom creation for the atom in the event
    new ExecuteCreateAtomCommandAction(ctx), // increase the
    new IncrementCounterAction(ctx, atomCreationStartedCounter), // increase the
    new IncrementCounterAction(ctx, creationUnfinishedCounter));
    // if an atom is already created we skip the recreation of it and increase the
    // atomCreationSkippedCounter
    bus.subscribe(FactoryAtomCreationSkippedEvent.class, new IncrementCounterAction(ctx, atomCreationSkippedCounter));
    // if a creation failed, we don't want to keep us from keeping the correct count
    bus.subscribe(CreateAtomCommandFailureEvent.class, // decrease the
    new DecrementCounterAction(ctx, creationUnfinishedCounter), // count an unsuccessful atom
    new IncrementCounterAction(ctx, atomCreationFailedCounter));
    // when the atomproducer is exhausted, we stop the creator (trigger) and we have
    // to wait until all unfinished atom creations finish
    // when they do, the InitFactoryFinishedEvent is published
    bus.subscribe(AtomProducerExhaustedEvent.class, new ActionOnFirstEventListener(ctx, new MultipleActions(ctx, new PublishEventAction(ctx, new StopBotTriggerCommandEvent(createFactoryAtomTrigger)), new BaseEventBotAction(ctx) {

        @Override
        protected void doRun(Event event, EventListener executingListener) throws Exception {
            // when we're called, there probably are atom creations
            // unfinished, but there may not be
            // a)
            // first, prepare for the case when there are unfinished
            // atom creations:
            // we register a listener, waiting for the unfinished
            // counter to reach 0
            EventListener waitForUnfinishedAtomsListener = bus.subscribe(TargetCountReachedEvent.class, new ActionOnFirstEventListener(ctx, new TargetCounterFilter(creationUnfinishedCounter), new PublishEventAction(ctx, new InitFactoryFinishedEvent())));
            // now, we can check if we've already reached the target
            if (creationUnfinishedCounter.getCount() <= 0) {
                // ok, turned out we didn't need that listener
                bus.unsubscribe(waitForUnfinishedAtomsListener);
                bus.publish(new InitFactoryFinishedEvent());
            }
        }
    })));
    bus.subscribe(InitFactoryFinishedEvent.class, new ActionOnFirstEventListener(ctx, "factoryCreateStatsLogger", new BaseEventBotAction(ctx) {

        @Override
        protected void doRun(Event event, EventListener executingListener) throws Exception {
            logger.info("FactoryAtomCreation finished: total:{}, successful: {}, failed: {}, skipped: {}", new Object[] { atomCreationStartedCounter.getCount(), atomCreationSuccessfulCounter.getCount(), atomCreationFailedCounter.getCount(), atomCreationSkippedCounter.getCount() });
        }
    }));
    // MessageInFlight counter handling *************************
    bus.subscribe(MessageCommandEvent.class, new IncrementCounterAction(ctx, messagesInFlightCounter));
    bus.subscribe(MessageCommandResultEvent.class, new DecrementCounterAction(ctx, messagesInFlightCounter));
    // if we receive a
    bus.subscribe(MessageCommandFailureEvent.class, new LogMessageCommandFailureAction(ctx));
    // message command
    // failure, log it
    // Start the atom creation stuff
    bus.publish(new StartFactoryAtomCreationEvent());
}