Examples with ActionOnFirstEventListener won.bot.framework.eventbot.listener.impl.ActionOnFirstEventListener used on opensource projects

Example 1 with ActionOnFirstEventListener

use of won.bot.framework.eventbot.listener.impl.ActionOnFirstEventListener in project webofneeds by researchstudio-sat.

the class EventBotActionUtils method makeAndSubscribeRemoteResponseListener.

/**
 * Creates a listener that waits for the remote response to the specified message. If a SuccessResponse is received,
 * the successCallback is executed, if a FailureResponse is received, the failureCallback is executed.
 * @param outgoingMessage
 * @param successCallback
 * @param failureCallback
 * @param context
 * @return
 */
public static EventListener makeAndSubscribeRemoteResponseListener(final WonMessage outgoingMessage, final EventListener successCallback, final EventListener failureCallback, EventListenerContext context) {
    // create an event listener that processes the remote response to the wonMessage we're about to send
    EventListener listener = new ActionOnFirstEventListener(context, OriginalMessageUriRemoteResponseEventFilter.forWonMessage(outgoingMessage), new BaseEventBotAction(context) {

        @Override
        protected void doRun(final Event event, EventListener executingListener) throws Exception {
            if (event instanceof SuccessResponseEvent) {
                successCallback.onEvent(event);
            } else if (event instanceof FailureResponseEvent) {
                failureCallback.onEvent(event);
            }
        }
    });
    context.getEventBus().subscribe(SuccessResponseEvent.class, listener);
    context.getEventBus().subscribe(FailureResponseEvent.class, listener);
    return listener;
}

Example 2 with ActionOnFirstEventListener

use of won.bot.framework.eventbot.listener.impl.ActionOnFirstEventListener 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;
    }
    final boolean usedForTesting = this.usedForTesting;
    final boolean doNotMatch = this.doNotMatch;
    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 need creations means that all needs were created
    final TargetCounterDecorator creationUnfinishedCounter = new TargetCounterDecorator(ctx, new CounterImpl("creationUnfinished"), 0);
    BotTrigger createFactoryNeedTrigger = new BotTrigger(ctx, Duration.ofMillis(FACTORYNEEDCREATION_DURATION_INMILLIS));
    createFactoryNeedTrigger.activate();
    bus.subscribe(StartFactoryNeedCreationEvent.class, new ActionOnFirstEventListener(ctx, new PublishEventAction(ctx, new StartBotTriggerCommandEvent(createFactoryNeedTrigger))));
    bus.subscribe(BotTriggerEvent.class, new ActionOnTriggerEventListener(ctx, createFactoryNeedTrigger, new BaseEventBotAction(ctx) {

        @Override
        protected void doRun(Event event, EventListener executingListener) throws Exception {
            if (isTooManyMessagesInFlight(messagesInFlightCounter)) {
                return;
            }
            adjustTriggerInterval(createFactoryNeedTrigger, messagesInFlightCounter);
            // defined via spring
            NeedProducer needProducer = ctx.getNeedProducer();
            Dataset dataset = needProducer.create();
            if (dataset == null && needProducer.isExhausted()) {
                bus.publish(new NeedProducerExhaustedEvent());
                bus.unsubscribe(executingListener);
                return;
            }
            URI needUriFromProducer = null;
            Resource needResource = WonRdfUtils.NeedUtils.getNeedResource(dataset);
            if (needResource.isURIResource()) {
                needUriFromProducer = URI.create(needResource.getURI());
            }
            if (needUriFromProducer != null) {
                URI needURI = botContextWrapper.getURIFromInternal(needUriFromProducer);
                if (needURI != null) {
                    bus.publish(new FactoryNeedCreationSkippedEvent());
                } else {
                    bus.publish(new CreateNeedCommandEvent(dataset, botContextWrapper.getFactoryListName(), usedForTesting, doNotMatch));
                }
            }
        }
    }));
    bus.subscribe(CreateNeedCommandSuccessEvent.class, new ActionOnEventListener(ctx, new MultipleActions(ctx, // decrease the creationUnfinishedCounter
    new DecrementCounterAction(ctx, creationUnfinishedCounter), // count a successful need creation
    new IncrementCounterAction(ctx, needCreationSuccessfulCounter), new BaseEventBotAction(ctx) {

        @Override
        protected void doRun(Event event, EventListener executingListener) throws Exception {
            if (event instanceof CreateNeedCommandSuccessEvent) {
                CreateNeedCommandSuccessEvent needCreatedEvent = (CreateNeedCommandSuccessEvent) event;
                botContextWrapper.addInternalIdToUriReference(needCreatedEvent.getNeedUriBeforeCreation(), needCreatedEvent.getNeedURI());
            }
        }
    })));
    bus.subscribe(CreateNeedCommandEvent.class, new ActionOnEventListener(ctx, new MultipleActions(ctx, // execute the need creation for the need in the event
    new ExecuteCreateNeedCommandAction(ctx), // increase the needCreationStartedCounter to signal another pending creation
    new IncrementCounterAction(ctx, needCreationStartedCounter), // increase the creationUnfinishedCounter to signal another pending creation
    new IncrementCounterAction(ctx, creationUnfinishedCounter))));
    // if a need is already created we skip the recreation of it and increase the needCreationSkippedCounter
    bus.subscribe(FactoryNeedCreationSkippedEvent.class, new ActionOnEventListener(ctx, new IncrementCounterAction(ctx, needCreationSkippedCounter)));
    // if a creation failed, we don't want to keep us from keeping the correct count
    bus.subscribe(CreateNeedCommandFailureEvent.class, new ActionOnEventListener(ctx, new MultipleActions(ctx, // decrease the creationUnfinishedCounter
    new DecrementCounterAction(ctx, creationUnfinishedCounter), // count an unsuccessful need creation
    new IncrementCounterAction(ctx, needCreationFailedCounter))));
    // when the needproducer is exhausted, we stop the creator (trigger) and we have to wait until all unfinished need creations finish
    // when they do, the InitFactoryFinishedEvent is published
    bus.subscribe(NeedProducerExhaustedEvent.class, new ActionOnFirstEventListener(ctx, new MultipleActions(ctx, new PublishEventAction(ctx, new StopBotTriggerCommandEvent(createFactoryNeedTrigger)), new BaseEventBotAction(ctx) {

        @Override
        protected void doRun(Event event, EventListener executingListener) throws Exception {
            // when we're called, there probably are need creations unfinished, but there may not be
            // a)
            // first, prepare for the case when there are unfinished need creations:
            // we register a listener, waiting for the unfinished counter to reach 0
            EventListener waitForUnfinishedNeedsListener = new ActionOnFirstEventListener(ctx, new TargetCounterFilter(creationUnfinishedCounter), new PublishEventAction(ctx, new InitFactoryFinishedEvent()));
            bus.subscribe(TargetCountReachedEvent.class, waitForUnfinishedNeedsListener);
            // 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(waitForUnfinishedNeedsListener);
                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("FactoryNeedCreation finished: total:{}, successful: {}, failed: {}, skipped: {}", new Object[] { needCreationStartedCounter.getCount(), needCreationSuccessfulCounter.getCount(), needCreationFailedCounter.getCount(), needCreationSkippedCounter.getCount() });
        }
    }));
    // MessageInFlight counter handling *************************
    bus.subscribe(MessageCommandEvent.class, new ActionOnEventListener(ctx, new IncrementCounterAction(ctx, messagesInFlightCounter)));
    bus.subscribe(MessageCommandResultEvent.class, new ActionOnEventListener(ctx, new DecrementCounterAction(ctx, messagesInFlightCounter)));
    // if we receive a message command failure, log it
    bus.subscribe(MessageCommandFailureEvent.class, new ActionOnEventListener(ctx, new LogMessageCommandFailureAction(ctx)));
    // Start the need creation stuff
    bus.publish(new StartFactoryNeedCreationEvent());
}

Example 3 with ActionOnFirstEventListener

use of won.bot.framework.eventbot.listener.impl.ActionOnFirstEventListener in project webofneeds by researchstudio-sat.

the class FactoryBotInitBehaviour method onActivate.

@Override
protected void onActivate(Optional<Object> message) {
    subscribeWithAutoCleanup(InitializeEvent.class, new ActionOnEventListener(context, new InitFactoryAction(context)));
    subscribeWithAutoCleanup(InitFactoryFinishedEvent.class, new ActionOnFirstEventListener(context, new BaseEventBotAction(context) {

        @Override
        protected void doRun(Event event, EventListener executingListener) throws Exception {
            FactoryBotInitBehaviour.this.deactivate();
        }
    }));
}

Example 4 with ActionOnFirstEventListener

use of won.bot.framework.eventbot.listener.impl.ActionOnFirstEventListener in project webofneeds by researchstudio-sat.

the class CrawlConnectionDataBehaviour method onActivate.

@Override
protected void onActivate(Optional<Object> message) {
    logger.debug("activating crawling connection data for connection {}", command.getConnectionURI());
    logger.debug("will deactivate autmatically after " + abortTimeout);
    LinkedDataSource linkedDataSource = context.getLinkedDataSource();
    if (linkedDataSource instanceof CachingLinkedDataSource) {
        URI toInvalidate = WonLinkedDataUtils.getEventContainerURIforConnectionURI(command.getConnectionURI(), linkedDataSource);
        ((CachingLinkedDataSource) linkedDataSource).invalidate(toInvalidate);
        ((CachingLinkedDataSource) linkedDataSource).invalidate(toInvalidate, command.getNeedURI());
        URI remoteConnectionUri = WonLinkedDataUtils.getRemoteConnectionURIforConnectionURI(command.getConnectionURI(), linkedDataSource);
        toInvalidate = WonLinkedDataUtils.getEventContainerURIforConnectionURI(remoteConnectionUri, linkedDataSource);
        ((CachingLinkedDataSource) linkedDataSource).invalidate(toInvalidate);
        ((CachingLinkedDataSource) linkedDataSource).invalidate(toInvalidate, command.getNeedURI());
    }
    context.getTaskScheduler().schedule(new Runnable() {

        @Override
        public void run() {
            deactivate();
        }
    }, new Date(System.currentTimeMillis() + abortTimeout.toMillis()));
    ;
    List<Path> propertyPaths = new ArrayList<>();
    PrefixMapping pmap = new PrefixMappingImpl();
    pmap.withDefaultMappings(PrefixMapping.Standard);
    pmap.setNsPrefix("won", WON.getURI());
    pmap.setNsPrefix("msg", WONMSG.getURI());
    propertyPaths.add(PathParser.parse("won:hasEventContainer", pmap));
    propertyPaths.add(PathParser.parse("won:hasEventContainer/rdfs:member", pmap));
    CrawlCommandEvent crawlNeedCommandEvent = new CrawlCommandEvent(command.getNeedURI(), command.getNeedURI(), propertyPaths, 10000, 5);
    propertyPaths = new ArrayList();
    propertyPaths.add(PathParser.parse("won:hasEventContainer", pmap));
    propertyPaths.add(PathParser.parse("won:hasEventContainer/rdfs:member", pmap));
    propertyPaths.add(PathParser.parse("won:hasEventContainer/rdfs:member/msg:hasCorrespondingRemoteMessage", pmap));
    propertyPaths.add(PathParser.parse("won:hasRemoteNeed", pmap));
    propertyPaths.add(PathParser.parse("won:hasRemoteNeed/won:hasEventContainer", pmap));
    propertyPaths.add(PathParser.parse("won:hasRemoteNeed/won:hasEventContainer/rdfs:member", pmap));
    propertyPaths.add(PathParser.parse("won:hasRemoteConnection", pmap));
    propertyPaths.add(PathParser.parse("won:hasRemoteConnection/won:hasEventContainer", pmap));
    propertyPaths.add(PathParser.parse("won:hasRemoteConnection/won:hasEventContainer/rdfs:member", pmap));
    propertyPaths.add(PathParser.parse("won:hasRemoteConnection/won:hasEventContainer/rdfs:member/msg:hasCorrespondingRemoteMessage", pmap));
    CrawlCommandEvent crawlConnectionCommandEvent = new CrawlCommandEvent(command.getNeedURI(), command.getConnectionURI(), propertyPaths, 10000, 5);
    Dataset crawledData = DatasetFactory.createGeneral();
    // add crawlcommand listener
    this.subscribeWithAutoCleanup(CrawlCommandEvent.class, new ActionOnEventListener(context, new OrFilter(new SameEventFilter(crawlNeedCommandEvent), new SameEventFilter(crawlConnectionCommandEvent)), new CrawlAction(context)));
    // when the first crawl succeeds, start the second
    this.subscribeWithAutoCleanup(CrawlCommandSuccessEvent.class, new ActionOnEventListener(context, new CommandResultFilter(crawlNeedCommandEvent), new BaseEventBotAction(context) {

        @Override
        protected void doRun(Event event, EventListener executingListener) throws Exception {
            logger.debug("finished crawling need data. ");
            Dataset dataset = ((CrawlCommandSuccessEvent) event).getCrawledData();
            RdfUtils.addDatasetToDataset(crawledData, dataset);
            // now crawl connection data
            context.getEventBus().publish(crawlConnectionCommandEvent);
        }
    }));
    // when we're done crawling, validate:
    this.subscribeWithAutoCleanup(CrawlCommandSuccessEvent.class, new ActionOnEventListener(context, new CommandResultFilter(crawlConnectionCommandEvent), new BaseEventBotAction(context) {

        @Override
        protected void doRun(Event event, EventListener executingListener) throws Exception {
            logger.debug("finished crawling need data for connection {}", command.getConnectionURI());
            Dataset dataset = ((CrawlCommandSuccessEvent) event).getCrawledData();
            RdfUtils.addDatasetToDataset(crawledData, dataset);
            context.getEventBus().publish(new CrawlConnectionCommandSuccessEvent(command, crawledData));
            deactivate();
        }
    }));
    // when something goes wrong, abort
    this.subscribeWithAutoCleanup(CrawlCommandFailureEvent.class, new ActionOnFirstEventListener(context, new OrFilter(new CommandResultFilter(crawlConnectionCommandEvent), new CommandResultFilter(crawlNeedCommandEvent)), new BaseEventBotAction(context) {

        @Override
        protected void doRun(Event event, EventListener executingListener) throws Exception {
            CrawlCommandFailureEvent failureEvent = (CrawlCommandFailureEvent) event;
            logger.debug("crawling failed for connection {}, message: {}", command.getConnectionURI(), failureEvent.getMessage());
            context.getEventBus().publish(new CrawlConnectionCommandFailureEvent(failureEvent.getMessage(), command));
            deactivate();
        }
    }));
    // start crawling the need  - connection will be crawled when need crawling is done
    context.getEventBus().publish(crawlNeedCommandEvent);
}

Example 5 with ActionOnFirstEventListener

use of won.bot.framework.eventbot.listener.impl.ActionOnFirstEventListener in project webofneeds by researchstudio-sat.

the class GroupCycleBot method initializeEventListeners.

@Override
protected void initializeEventListeners() {
    EventListenerContext ctx = getEventListenerContext();
    // start with a friendly message
    ctx.getEventBus().subscribe(InitializeEvent.class, new ActionOnFirstEventListener(ctx, new BaseEventBotAction(ctx) {

        @Override
        protected void doRun(Event event, EventListener executingListener) throws Exception {
            logger.info("");
            logger.info("We will create {} groups with {} members each.", NUMBER_OF_GROUPS, NUMBER_OF_GROUPMEMBERS);
            logger.info("The groups all be connected to each other, resulting in {} group-group connections", NUMBER_OF_GROUPS * (NUMBER_OF_GROUPS - 1) / 2);
            logger.info("Then, one group member will send a message to its group, which should reach all other group members exactly once");
            logger.info("This will result in {} messages being received.", NUMBER_OF_GROUPS * NUMBER_OF_GROUPMEMBERS - 1);
            logger.info("The groups will forward {} messages and suppress {} duplicates", NUMBER_OF_GROUPS * (NUMBER_OF_GROUPS + NUMBER_OF_GROUPMEMBERS - 2), (int) Math.pow(NUMBER_OF_GROUPS, 2) - 3 * NUMBER_OF_GROUPS + 2);
            logger.info("");
        }
    }));
    // understand message commands
    BotBehaviour messageCommandBehaviour = new ExecuteWonMessageCommandBehaviour(ctx);
    messageCommandBehaviour.activate();
    // if we receive a connection message, log it
    BotBehaviour logConnectionMessageBehaviour = new LogConnectionMessageBehaviour(ctx);
    logConnectionMessageBehaviour.activate();
    // log other important events (group/member creation and conneciton)
    BotBehaviour infoBehaviour = new OutputInfoMessagesBehaviour(ctx);
    infoBehaviour.activate();
    // wait for both groups to finish being set up, then connect the groups
    BehaviourBarrier barrier = new BehaviourBarrier(ctx);
    for (int i = 0; i < NUMBER_OF_GROUPS; i++) {
        // create group 1, its members, and connect them
        CreateGroupBehaviour groupCreate = new CreateGroupBehaviour(ctx);
        OpenOnConnectBehaviour groupOpenOnConnect = new OpenOnConnectBehaviour(ctx);
        CreateGroupMembersBehaviour groupMembers = new CreateGroupMembersBehaviour(ctx);
        groupCreate.onDeactivateActivate(groupOpenOnConnect, groupMembers);
        barrier.waitFor(groupMembers);
        // wait for the initialize event and trigger group creation
        ctx.getEventBus().subscribe(InitializeEvent.class, new ActionOnFirstEventListener(ctx, new BaseEventBotAction(ctx) {

            @Override
            protected void doRun(Event event, EventListener executingListener) throws Exception {
                groupCreate.activate();
            }
        }));
    }
    BotBehaviour connectGroupsBehaviour = new ConnectGroupsBehaviour(ctx);
    barrier.thenStart(connectGroupsBehaviour);
    barrier.activate();
    // after connecting the groups, send one message on behalf of one of the group members
    // and count the messages that group members receive
    // when all groups are connected, start the count behaviour
    CountReceivedMessagesBehaviour countReceivedMessagesBehaviour = new CountReceivedMessagesBehaviour(ctx);
    connectGroupsBehaviour.onDeactivateActivate(countReceivedMessagesBehaviour);
    // wait for the count behaviour to have started, then send the group message
    BotBehaviour sendInitialMessageBehaviour = new SendOneMessageBehaviour(ctx);
    countReceivedMessagesBehaviour.onActivateActivate(sendInitialMessageBehaviour);
}