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

Example 6 with EventListener

use of won.bot.framework.eventbot.listener.EventListener 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 7 with EventListener

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

the class AsyncEventBusImpl method unsubscribe.

@Override
public void unsubscribe(final EventListener listener) {
    logger.debug("unsubscribing listener {} from all events", listener);
    synchronized (monitor) {
        for (Map.Entry<Class<? extends Event>, List<EventListener>> entry : listenerMap.entrySet()) {
            // remember if we had to unsubscribe the listener for the current event type
            boolean unsubscribed = false;
            List<EventListener> listeners = entry.getValue();
            if (listeners == null)
                continue;
            listeners = copyOrCreateList(listeners);
            Iterator<EventListener> it = listeners.iterator();
            while (it.hasNext()) {
                EventListener subscribedListener = it.next();
                if (subscribedListener.equals(listener)) {
                    it.remove();
                    unsubscribed = true;
                }
            }
            entry.setValue(listeners);
            if (unsubscribed) {
                // if we had to unssubscribe the listener, we may have to call its onUnsubscribe method
                callOnUnsubscribeIfApplicable(listener, entry.getKey());
            }
        }
    }
}

Example 8 with EventListener

use of won.bot.framework.eventbot.listener.EventListener 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 9 with EventListener

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

the class BAAtomicAdditionalParticipantsBaseBot method initializeEventListeners.

@Override
protected void initializeEventListeners() {
    final EventListenerContext ctx = getEventListenerContext();
    final AdditionalParticipantCoordinatorBotContextWrapper botContextWrapper = (AdditionalParticipantCoordinatorBotContextWrapper) getBotContextWrapper();
    final EventBus bus = getEventBus();
    logger.info("info1: No of needs: " + noOfNeeds);
    // wait for all needs to be created
    WaitForNEventsListener allNeedsCreatedListener = new WaitForNEventsListener(ctx, "waitForAllNeedsCreated", noOfNeeds);
    bus.subscribe(NeedCreatedEvent.class, allNeedsCreatedListener);
    // create needs every trigger execution until noOfNeeds are created
    this.participantNeedCreator = new ActionOnEventListener(ctx, "participantCreator", new CreateNeedWithFacetsAction(ctx, botContextWrapper.getParticipantListName(), getParticipantFacetType().getURI()), noOfNonDelayedNeeds - 1);
    bus.subscribe(ActEvent.class, this.participantNeedCreator);
    // create needs every trigger execution until noOfNeeds are created
    this.delayedParticipantNeedCreator = new ActionOnEventListener(ctx, "delayedParticipantCreator", new CreateNeedWithFacetsAction(ctx, botContextWrapper.getParticipantDelayedListName(), getParticipantFacetType().getURI()), noOfDelayedNeeds);
    bus.subscribe(ActEvent.class, this.delayedParticipantNeedCreator);
    // when done, create one coordinator need
    this.coordinatorNeedCreator = new ActionOnEventListener(ctx, "coordinatorCreator", new FinishedEventFilter(participantNeedCreator), new CreateNeedWithFacetsAction(ctx, botContextWrapper.getCoordinatorListName(), getCoordinatorFacetType().getURI()), 1);
    bus.subscribe(FinishedEvent.class, this.coordinatorNeedCreator);
    final Iterator<BATestBotScript> firstPhasescriptIterator = firstPhaseScripts.iterator();
    final Iterator<BATestBotScript> firstPhaseScriptWithDelayIterator = firstPhaseScriptsWithDelay.iterator();
    final Iterator<BATestBotScript> secondPhasescriptIterator = secondPhaseScripts.iterator();
    // final Iterator<BATestBotScript> secondPhasescriptWithDelayIterator = secondPhaseScripts.iterator();
    // make a composite filter, with one filter for each testScriptListener that wait
    // for the FinishedEvents the they emit. That filter will be used to shut
    // down all needs after all the scriptListeners have finished.
    final OrFilter firstPhaseScriptListenerFilter = new OrFilter();
    final OrFilter firstPhaseScriptWithDelayListenerFilter = new OrFilter();
    final OrFilter secondPhaseScriptListenerFilter = new OrFilter();
    // final OrFilter secondPhaseScriptWithDelayListenerFilter = new OrFilter();
    // create a callback that gets called immediately before the connection is established
    ConnectFromListToListAction.ConnectHook scriptConnectHook = new ConnectFromListToListAction.ConnectHook() {

        @Override
        public void onConnect(final URI fromNeedURI, final URI toNeedURI) {
            // create the listener that will execute the script actions
            BATestScriptListener testScriptListener = new BATestScriptListener(ctx, firstPhasescriptIterator.next(), fromNeedURI, toNeedURI, MILLIS_BETWEEN_MESSAGES);
            // remember it so we can check its state later
            firstPhasetestScriptListeners.add(testScriptListener);
            // subscribe it to the relevant events.
            bus.subscribe(ConnectFromOtherNeedEvent.class, testScriptListener);
            bus.subscribe(OpenFromOtherNeedEvent.class, testScriptListener);
            bus.subscribe(MessageFromOtherNeedEvent.class, testScriptListener);
            // add a filter that will wait for the FinishedEvent emitted by that listener
            // wrap it in an acceptance filter to make extra sure we count each listener only once.
            firstPhaseScriptListenerFilter.addFilter(new AcceptOnceFilter(new FinishedEventFilter(testScriptListener)));
            // now we create the listener that is only active in the second phase
            // remember it so we can check its state later
            BATestScriptListener secondPhaseTestScriptListener = new BATestScriptListener(ctx, secondPhasescriptIterator.next(), fromNeedURI, toNeedURI, MILLIS_BETWEEN_MESSAGES);
            secondPhasetestScriptListeners.add(secondPhaseTestScriptListener);
            secondPhaseScriptListenerFilter.addFilter(new AcceptOnceFilter(new FinishedEventFilter(secondPhaseTestScriptListener)));
        }
    };
    ConnectFromListToListAction.ConnectHook scriptConnectWithDelayHook = new ConnectFromListToListAction.ConnectHook() {

        @Override
        public void onConnect(final URI fromNeedURI, final URI toNeedURI) {
            // create the listener that will execute the script actions
            BATestScriptListener testScriptListener = new BATestScriptListener(ctx, firstPhaseScriptWithDelayIterator.next(), fromNeedURI, toNeedURI, MILLIS_BETWEEN_MESSAGES);
            // remember it so we can check its state later
            firstPhasetestScriptWithDelayListeners.add(testScriptListener);
            // subscribe it to the relevant events.
            bus.subscribe(ConnectFromOtherNeedEvent.class, testScriptListener);
            bus.subscribe(OpenFromOtherNeedEvent.class, testScriptListener);
            bus.subscribe(MessageFromOtherNeedEvent.class, testScriptListener);
            // add a filter that will wait for the FinishedEvent emitted by that listener
            // wrap it in an acceptance filter to make extra sure we count each listener only once.
            firstPhaseScriptWithDelayListenerFilter.addFilter(new AcceptOnceFilter(new FinishedEventFilter(testScriptListener)));
            // now we create the listener that is only active in the second phase
            // remember it so we can check its state later
            BATestScriptListener secondPhaseTestScriptListener = new BATestScriptListener(ctx, secondPhasescriptIterator.next(), fromNeedURI, toNeedURI, MILLIS_BETWEEN_MESSAGES);
            secondPhasetestScriptListeners.add(secondPhaseTestScriptListener);
            secondPhaseScriptListenerFilter.addFilter(new AcceptOnceFilter(new FinishedEventFilter(secondPhaseTestScriptListener)));
        }
    };
    // when done, connect the participants to the coordinator
    this.needConnector = new ActionOnEventListener(ctx, "needConnector", new FinishedEventFilter(allNeedsCreatedListener), new ConnectFromListToListAction(ctx, botContextWrapper.getCoordinatorListName(), botContextWrapper.getParticipantListName(), getCoordinatorFacetType().getURI(), getParticipantFacetType().getURI(), MILLIS_BETWEEN_MESSAGES, scriptConnectHook, "Hi!"), 1);
    bus.subscribe(FinishedEvent.class, this.needConnector);
    // wait until the non-delayed participants are connected and done with their scripts
    BaseEventListener waitForNonDelayedConnectsListener = new WaitForNEventsListener(ctx, firstPhaseScriptListenerFilter, noOfNonDelayedNeeds - 1);
    bus.subscribe(FinishedEvent.class, waitForNonDelayedConnectsListener);
    FinishedEventFilter allNonDelayedConnectedFilter = new FinishedEventFilter(waitForNonDelayedConnectsListener);
    this.needConnectorWithDelay = new ActionOnEventListener(ctx, "needConnectorWithDelay", allNonDelayedConnectedFilter, new ConnectFromListToListAction(ctx, botContextWrapper.getCoordinatorListName(), botContextWrapper.getParticipantDelayedListName(), getCoordinatorFacetType().getURI(), getParticipantFacetType().getURI(), MILLIS_BETWEEN_MESSAGES, scriptConnectWithDelayHook, "Hi!"), 1);
    // TODO: MAKE THIS SO URI_LIST_NAME_PARTICIPANT_DELAYED "delayedParticipants" works again
    bus.subscribe(FinishedEvent.class, this.needConnectorWithDelay);
    // for each group member, there are 2 listeners waiting for messages. when they are all finished, we're done.
    this.firstPhaseWithDelayDoneListener = new ActionOnceAfterNEventsListener(ctx, "firstPhaseDoneWithDelayListener", firstPhaseScriptWithDelayListenerFilter, noOfDelayedNeeds, new BaseEventBotAction(ctx) {

        @Override
        protected void doRun(final Event event, EventListener executingListener) throws Exception {
            logger.debug("starting second phase");
            logger.debug("non-delayed listeners: {}", firstPhasetestScriptListeners.size());
            logger.debug("delayed listeners: {}", firstPhasetestScriptWithDelayListeners.size());
            Iterator<BATestScriptListener> firstPhaseListeners = firstPhasetestScriptListeners.iterator();
            Iterator<BATestScriptListener> firstPhaseWithDelayListeners = firstPhasetestScriptWithDelayListeners.iterator();
            Iterator<BATestScriptListener> combinedFirstPhaseListeners = Iterators.concat(firstPhaseListeners, firstPhaseWithDelayListeners);
            logger.debug("# of listeners in second phase: {}", secondPhasetestScriptListeners.size());
            for (BATestScriptListener listener : secondPhasetestScriptListeners) {
                logger.debug("subscribing second phase listener {}", listener);
                // subscribe it to the relevant events.
                bus.subscribe(MessageFromOtherNeedEvent.class, listener);
                bus.subscribe(SecondPhaseStartedEvent.class, listener);
                BATestScriptListener correspondingFirstPhaseListener = combinedFirstPhaseListeners.next();
                listener.setCoordinatorSideConnectionURI(correspondingFirstPhaseListener.getCoordinatorSideConnectionURI());
                listener.setParticipantSideConnectionURI(correspondingFirstPhaseListener.getParticipantSideConnectionURI());
                listener.updateFilterForBothConnectionURIs();
                bus.publish(new SecondPhaseStartedEvent(correspondingFirstPhaseListener.getCoordinatorURI(), correspondingFirstPhaseListener.getCoordinatorSideConnectionURI(), correspondingFirstPhaseListener.getParticipantURI()));
            }
        }
    });
    bus.subscribe(FinishedEvent.class, this.firstPhaseWithDelayDoneListener);
    // for each group member, there are 2 listeners waiting for messages. when they are all finished, we're done.
    this.scriptsDoneListener = new ActionOnceAfterNEventsListener(ctx, "scriptsDoneListener", secondPhaseScriptListenerFilter, noOfNeeds - 1, new DeactivateAllNeedsOfListAction(ctx, botContextWrapper.getParticipantListName()));
    bus.subscribe(FinishedEvent.class, this.scriptsDoneListener);
    // When the needs are deactivated, all connections are closed. wait for the close events and signal work done.
    this.workDoneSignaller = new ActionOnceAfterNEventsListener(ctx, "workDoneSignaller", noOfNeeds - 1, new SignalWorkDoneAction(ctx));
    bus.subscribe(CloseFromOtherNeedEvent.class, this.workDoneSignaller);
}

Example 10 with EventListener

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

the class ConversationBotMonitored method initializeEventListeners.

@Override
protected void initializeEventListeners() {
    EventListenerContext ctx = getEventListenerContext();
    EventBus bus = getEventBus();
    // create needs every trigger execution until 2 needs are created
    this.needCreator = new ActionOnEventListener(ctx, new CreateNeedWithFacetsAction(ctx, getBotContextWrapper().getNeedCreateListName()), NO_OF_NEEDS);
    bus.subscribe(ActEvent.class, this.needCreator);
    // count until 2 needs were created, then
    // * connect the 2 needs
    this.needConnector = new ActionOnceAfterNEventsListener(ctx, "needConnector", NO_OF_NEEDS, new ConnectFromListToListAction(ctx, ctx.getBotContextWrapper().getNeedCreateListName(), ctx.getBotContextWrapper().getNeedCreateListName(), FacetType.OwnerFacet.getURI(), FacetType.OwnerFacet.getURI(), MILLIS_BETWEEN_MESSAGES, "Hello," + "I am the ConversationBot, a simple bot that will exchange " + "messages and deactivate its needs after some time."));
    bus.subscribe(NeedCreatedEvent.class, this.needConnector);
    // add a listener that is informed of the connect/open events and that auto-opens
    // subscribe it to:
    // * connect events - so it responds with open
    // * open events - so it responds with open (if the open received was the first open, and we still need to accept the connection)
    this.autoOpener = new ActionOnEventListener(ctx, new OpenConnectionAction(ctx, "Hi, I am the ConverssationBot."));
    bus.subscribe(ConnectFromOtherNeedEvent.class, this.autoOpener);
    // add a listener that auto-responds to messages by a message and at different stages of messages processing fires
    // different monitoring events. After specified number of messages, it unsubscribes from all events.
    // subscribe it to:
    // * message events - so it responds
    // * open events - so it initiates the chain reaction of responses
    this.autoResponder = new AutomaticMonitoredMessageResponderListener(ctx, NO_OF_MESSAGES, MILLIS_BETWEEN_MESSAGES);
    bus.subscribe(OpenFromOtherNeedEvent.class, this.autoResponder);
    bus.subscribe(MessageFromOtherNeedEvent.class, this.autoResponder);
    // add a listener that closes the connection after it has seen 10 messages
    this.connectionCloser = new ActionOnceAfterNEventsListener(ctx, NO_OF_MESSAGES, new CloseConnectionAction(ctx, "Farewell!"));
    bus.subscribe(MessageFromOtherNeedEvent.class, this.connectionCloser);
    // add a listener that closes the connection when a failureEvent occurs
    EventListener onFailureConnectionCloser = new ActionOnEventListener(ctx, new CloseConnectionAction(ctx, "Farewell!"));
    bus.subscribe(FailureResponseEvent.class, onFailureConnectionCloser);
    // add a listener that auto-responds to a close message with a deactivation of both needs.
    // subscribe it to:
    // * close events
    this.needDeactivator = new ActionOnEventListener(ctx, new DeactivateAllNeedsAction(ctx), 1);
    bus.subscribe(CloseFromOtherNeedEvent.class, this.needDeactivator);
    // add a listener that counts two NeedDeactivatedEvents and then tells the
    // framework that the bot's messaging work is done and connection messages linked data can be crawled
    this.crawlReadySignaller = new ActionOnceAfterNEventsListener(ctx, NO_OF_NEEDS, new BaseEventBotAction(ctx) {

        @Override
        protected void doRun(Event event, EventListener executingListener) throws Exception {
            bus.publish(new CrawlReadyEvent());
        }
    });
    bus.subscribe(NeedDeactivatedEvent.class, this.crawlReadySignaller);
    // add a listener that, when crawl is done, tells the
    // framework that the bot's work is done
    this.workDoneSignaller = new ActionOnEventListener(ctx, new SignalWorkDoneAction(ctx));
    bus.subscribe(CrawlDoneEvent.class, this.workDoneSignaller);
    // add a listener that reacts to monitoring events
    this.monitor = new ActionOnEventListener(ctx, "msgMonitor", new MessageLifecycleMonitoringAction(ctx));
    bus.subscribe(MessageDispatchStartedEvent.class, this.monitor);
    bus.subscribe(MessageDispatchedEvent.class, this.monitor);
    bus.subscribe(SuccessResponseEvent.class, this.monitor);
    bus.subscribe(MessageFromOtherNeedEvent.class, this.monitor);
    bus.subscribe(CrawlReadyEvent.class, this.monitor);
}