Examples with EventBus won.bot.framework.eventbot.bus.EventBus used on opensource projects

Example 6 with EventBus

use of won.bot.framework.eventbot.bus.EventBus in project webofneeds by researchstudio-sat.

the class StatisticsLoggingAction method doRun.

@Override
protected void doRun(Event event, EventListener executingListener) throws Exception {
    EventBus bus = getEventListenerContext().getEventBus();
    EventBusStatistics statistics = bus.generateEventBusStatistics();
    StringBuilder sb = new StringBuilder();
    sb.append("\nEvent bus statistics: \n").append("number of listeners: ").append(statistics.getListenerCount()).append("\n").append("number of listeners per listener class:\n");
    statistics.getListenerCountPerListenerClass().entrySet().stream().sorted((e1, e2) -> e1.getKey().getName().compareTo(e2.getKey().getName())).forEach(e -> sb.append(e.getKey().getName()).append(": ").append(e.getValue()).append("\n"));
    sb.append("number of listeners per event class:\n");
    statistics.getListenerCountPerEvent().entrySet().stream().sorted((e1, e2) -> e1.getKey().getName().compareTo(e2.getKey().getName())).forEach(e -> sb.append(e.getKey()).append(": ").append(e.getValue()).append("\n"));
    logger.info(sb.toString());
}

Example 7 with EventBus

use of won.bot.framework.eventbot.bus.EventBus 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 8 with EventBus

use of won.bot.framework.eventbot.bus.EventBus 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);
}

Example 9 with EventBus

use of won.bot.framework.eventbot.bus.EventBus in project webofneeds by researchstudio-sat.

the class DebugBot method initializeEventListeners.

@Override
protected void initializeEventListeners() {
    String welcomeMessage = "Greetings! \nI am the DebugBot. I " + "can simulate multiple other users so you can test things. I understand a few commands. \nTo see which ones, " + "type 'usage'.";
    String welcomeHelpMessage = "When connecting with me, you can say 'ignore', or 'deny' to make me ignore or deny requests, and 'wait N' to make me wait N seconds (max 99) before reacting.";
    EventListenerContext ctx = getEventListenerContext();
    EventBus bus = getEventBus();
    // eagerly cache RDF data
    BotBehaviour eagerlyCacheBehaviour = new EagerlyPopulateCacheBehaviour(ctx);
    eagerlyCacheBehaviour.activate();
    // react to a bot command activating/deactivating eager caching
    bus.subscribe(SetCacheEagernessCommandEvent.class, new ActionOnEventListener(ctx, new BaseEventBotAction(ctx) {

        @Override
        protected void doRun(Event event, EventListener executingListener) throws Exception {
            if (event instanceof SetCacheEagernessCommandEvent) {
                if (((SetCacheEagernessCommandEvent) event).isEager()) {
                    eagerlyCacheBehaviour.activate();
                } else {
                    eagerlyCacheBehaviour.deactivate();
                }
            }
        }
    }));
    // react to a message that was not identified as a debug command
    BotBehaviour connectionMessageBehaviour = new ConnectionMessageBehaviour(ctx);
    connectionMessageBehaviour.activate();
    // react to the debug deactivate command (deactivate my need)
    BotBehaviour deactivateNeedBehaviour = new DeactivateNeedBehaviour(ctx);
    deactivateNeedBehaviour.activate();
    // react to the close behaviour
    BotBehaviour closeBehaviour = new CloseBevahiour(ctx);
    closeBehaviour.activate();
    // register with WoN nodes, be notified when new needs are created
    RegisterMatcherAction registerMatcherAction = new RegisterMatcherAction(ctx);
    this.matcherRegistrator = new ActionOnEventListener(ctx, registerMatcherAction, 1);
    bus.subscribe(ActEvent.class, this.matcherRegistrator);
    RandomDelayedAction delayedRegistration = new RandomDelayedAction(ctx, registrationMatcherRetryInterval, registrationMatcherRetryInterval, 0, registerMatcherAction);
    ActionOnEventListener matcherRetryRegistrator = new ActionOnEventListener(ctx, delayedRegistration);
    bus.subscribe(MatcherRegisterFailedEvent.class, matcherRetryRegistrator);
    // create the echo need for debug initial connect - if we're not reacting to the creation of our own echo need.
    CreateDebugNeedWithFacetsAction needForInitialConnectAction = new CreateDebugNeedWithFacetsAction(ctx, true, true);
    needForInitialConnectAction.setIsInitialForConnect(true);
    ActionOnEventListener initialConnector = new ActionOnEventListener(ctx, new NotFilter(new NeedUriInNamedListFilter(ctx, ctx.getBotContextWrapper().getNeedCreateListName())), needForInitialConnectAction);
    bus.subscribe(NeedCreatedEventForMatcher.class, initialConnector);
    // create the echo need for debug initial hint - if we're not reacting to the creation of our own echo need.
    CreateDebugNeedWithFacetsAction initialHinter = new CreateDebugNeedWithFacetsAction(ctx, true, true);
    initialHinter.setIsInitialForHint(true);
    ActionOnEventListener needForInitialHintListener = new ActionOnEventListener(ctx, new NotFilter(new NeedUriInNamedListFilter(ctx, ctx.getBotContextWrapper().getNeedCreateListName())), initialHinter);
    bus.subscribe(NeedCreatedEventForMatcher.class, needForInitialHintListener);
    // as soon as the echo need triggered by debug connect created, connect to original
    this.needConnector = new ActionOnEventListener(ctx, "needConnector", new RandomDelayedAction(ctx, CONNECT_DELAY_MILLIS, CONNECT_DELAY_MILLIS, 1, new ConnectWithAssociatedNeedAction(ctx, FacetType.OwnerFacet.getURI(), FacetType.OwnerFacet.getURI(), welcomeMessage + " " + welcomeHelpMessage)));
    bus.subscribe(NeedCreatedEventForDebugConnect.class, this.needConnector);
    // as soon as the echo need triggered by debug hint command created, hint to original
    this.needHinter = new ActionOnEventListener(ctx, "needHinter", new RandomDelayedAction(ctx, CONNECT_DELAY_MILLIS, CONNECT_DELAY_MILLIS, 1, new HintAssociatedNeedAction(ctx, FacetType.OwnerFacet.getURI(), FacetType.OwnerFacet.getURI(), matcherUri)));
    bus.subscribe(NeedCreatedEventForDebugHint.class, this.needHinter);
    // if the original need wants to connect - always open
    this.autoOpener = new ActionOnEventListener(ctx, new MultipleActions(ctx, new OpenConnectionDebugAction(ctx, welcomeMessage, welcomeHelpMessage), new PublishSetChattinessEventAction(ctx, true)));
    bus.subscribe(ConnectFromOtherNeedEvent.class, this.autoOpener);
    EventBotAction userCommandAction = new DebugBotIncomingMessageToEventMappingAction(ctx);
    // if the remote side opens, send a greeting and set to chatty.
    bus.subscribe(OpenFromOtherNeedEvent.class, new ActionOnEventListener(ctx, new MultipleActions(ctx, userCommandAction, new PublishSetChattinessEventAction(ctx, true))));
    // if the bot receives a text message - try to map the command of the text message to a DebugEvent
    messageFromOtherNeedListener = new ActionOnEventListener(ctx, userCommandAction);
    bus.subscribe(MessageFromOtherNeedEvent.class, messageFromOtherNeedListener);
    // react to usage command event
    this.usageMessageSender = new ActionOnEventListener(ctx, new SendMultipleMessagesAction(ctx, DebugBotIncomingMessageToEventMappingAction.USAGE_MESSAGES));
    bus.subscribe(UsageDebugCommandEvent.class, usageMessageSender);
    bus.subscribe(CloseCommandSuccessEvent.class, new ActionOnEventListener(ctx, "chattiness off", new PublishSetChattinessEventAction(ctx, false)));
    // react to close event: set connection to not chatty
    bus.subscribe(CloseFromOtherNeedEvent.class, new ActionOnEventListener(ctx, new PublishSetChattinessEventAction(ctx, false)));
    // react to the hint and connect commands by creating a need (it will fire correct need created for connect/hint
    // events)
    needCreator = new ActionOnEventListener(ctx, new CreateDebugNeedWithFacetsAction(ctx, true, true));
    bus.subscribe(HintDebugCommandEvent.class, needCreator);
    bus.subscribe(ConnectDebugCommandEvent.class, needCreator);
    bus.subscribe(SendNDebugCommandEvent.class, new ActionOnEventListener(ctx, new SendNDebugMessagesAction(ctx, DELAY_BETWEEN_N_MESSAGES, DebugBotIncomingMessageToEventMappingAction.N_MESSAGES)));
    MessageTimingManager timingManager = new MessageTimingManager(ctx, 20);
    // on every actEvent there is a chance we send a chatty message
    bus.subscribe(ActEvent.class, new ActionOnEventListener(ctx, new SendChattyMessageAction(ctx, CHATTY_MESSAGE_PROBABILITY, timingManager, DebugBotIncomingMessageToEventMappingAction.RANDOM_MESSAGES, DebugBotIncomingMessageToEventMappingAction.LAST_MESSAGES)));
    // set the chattiness of the connection
    bus.subscribe(SetChattinessDebugCommandEvent.class, new ActionOnEventListener(ctx, new SetChattinessAction(ctx)));
    // process eliza messages with eliza
    bus.subscribe(MessageToElizaEvent.class, new ActionOnEventListener(ctx, new AnswerWithElizaAction(ctx, 20)));
    // remember when we sent the last message
    bus.subscribe(WonMessageSentOnConnectionEvent.class, new ActionOnEventListener(ctx, new RecordMessageSentTimeAction(ctx, timingManager)));
    // remember when we got the last message
    bus.subscribe(WonMessageReceivedOnConnectionEvent.class, new ActionOnEventListener(ctx, new RecordMessageReceivedTimeAction(ctx, timingManager)));
    // initialize the sent timestamp when the open message is received
    bus.subscribe(OpenFromOtherNeedEvent.class, new ActionOnEventListener(ctx, new RecordMessageSentTimeAction(ctx, timingManager)));
    // initialize the sent timestamp when the connect message is received
    bus.subscribe(ConnectFromOtherNeedEvent.class, new ActionOnEventListener(ctx, new RecordMessageSentTimeAction(ctx, timingManager)));
}

Example 10 with EventBus

use of won.bot.framework.eventbot.bus.EventBus in project webofneeds by researchstudio-sat.

the class GroupingBot method initializeEventListeners.

@Override
protected void initializeEventListeners() {
    final EventListenerContext ctx = getEventListenerContext();
    GroupBotContextWrapper botContextWrapper = (GroupBotContextWrapper) getBotContextWrapper();
    EventBus bus = getEventBus();
    // for each created need (in the group), add a listener that will auto-respond to messages directed at that need
    // create a filter that only accepts events for needs in the group:
    NeedUriInNamedListFilter groupMemberFilter = new NeedUriInNamedListFilter(ctx, botContextWrapper.getGroupMembersListName());
    // remember the auto-responders in a list
    this.autoResponders = new ArrayList<BaseEventListener>();
    // remember the listeners that wait for all messages
    this.messageCounters = new ArrayList<BaseEventListener>();
    // make a composite filter, with one filter for each autoResponder that wait for the FinishedEvents the responders emit.
    // that filter will be used to shut down all needs after all the autoResponders have finished.
    final OrFilter mainAutoResponderFilter = new OrFilter();
    // listen to NeedCreatedEvents
    this.autoResponderCreator = new ActionOnEventListener(ctx, groupMemberFilter, new BaseEventBotAction(ctx) {

        @Override
        protected void doRun(final Event event, EventListener executingListener) throws Exception {
            // create a listener that automatically answers messages, only for that need URI. We let it send NO_OF_MESSAGES messages
            logger.debug("created auto responder");
            AutomaticMessageResponderListener listener = new AutomaticMessageResponderListener(ctx, "autoResponder", NeedUriEventFilter.forEvent(event), NO_OF_MESSAGES, MILLIS_BETWEEN_MESSAGES);
            // create a listener that publishes a FinishedEvent after having received all messages from the group
            WaitForNEventsListener waitForMessagesListener = new WaitForNEventsListener(ctx, "messageCounter", NeedUriEventFilter.forEvent(event), NO_OF_MESSAGES * (NO_OF_GROUPMEMBERS - 1));
            messageCounters.add(waitForMessagesListener);
            // add a filter that will wait for the FinishedEvent emitted by that listener
            // wrap it in an acceptonce filter to make extra sure we count each listener only once.
            mainAutoResponderFilter.addFilter(new AcceptOnceFilter(new FinishedEventFilter(waitForMessagesListener)));
            ActionOnEventListener debugger = new ActionOnEventListener(ctx, NeedUriEventFilter.forEvent(event), new BaseEventBotAction(ctx) {

                @Override
                protected void doRun(Event event, EventListener executingListener) throws Exception {
                    if (event instanceof MessageFromOtherNeedEvent) {
                        MessageFromOtherNeedEvent msg = (MessageFromOtherNeedEvent) event;
                        logger.debug("processing event {} wonMessage {} - text message '{}', sent by {} to {}", new Object[] { event.toString(), msg.getWonMessage().getMessageURI(), WonRdfUtils.MessageUtils.getTextMessage(msg.getWonMessage()), msg.getRemoteNeedURI(), msg.getNeedURI() });
                    }
                }
            });
            getEventBus().subscribe(MessageFromOtherNeedEvent.class, debugger);
            // finally, subscribe to the message events
            getEventBus().subscribe(MessageFromOtherNeedEvent.class, waitForMessagesListener);
            getEventBus().subscribe(MessageFromOtherNeedEvent.class, listener);
        }
    });
    getEventBus().subscribe(NeedCreatedEvent.class, this.autoResponderCreator);
    // count until N needs were created, then create need with group facet (the others will connect to that facet)
    this.groupCreator = new ActionOnceAfterNEventsListener(ctx, "groupCreator", NO_OF_GROUPMEMBERS, new CreateNeedWithFacetsAction(ctx, botContextWrapper.getGroupListName(), FacetType.GroupFacet.getURI()));
    bus.subscribe(NeedCreatedEvent.class, this.groupCreator);
    // wait for N+1 needCreatedEvents, then connect the members with the group facet of the third need
    this.needConnector = new ActionOnceAfterNEventsListener(ctx, "needConnector", NO_OF_GROUPMEMBERS + 1, new ConnectFromListToListAction(ctx, botContextWrapper.getGroupListName(), botContextWrapper.getGroupMembersListName(), FacetType.GroupFacet.getURI(), FacetType.OwnerFacet.getURI(), MILLIS_BETWEEN_MESSAGES, "Hi from the " + "GroupingBot!"));
    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 from the GroupingBot!"));
    bus.subscribe(ConnectFromOtherNeedEvent.class, this.autoOpener);
    // now, once all connections have been opened, make 1 bot send a message to the group, the subsequent listener will cause let wild chatting to begin
    this.conversationStarter = new ActionOnceAfterNEventsListener(ctx, "conversationStarter", NO_OF_GROUPMEMBERS, new RespondToMessageAction(ctx, MILLIS_BETWEEN_MESSAGES));
    bus.subscribe(OpenFromOtherNeedEvent.class, this.conversationStarter);
    // for each group member, there are 2 listeners waiting for messages. when they are all finished, we're done.
    this.messagesDoneListener = new ActionOnceAfterNEventsListener(ctx, "messagesDoneListener", mainAutoResponderFilter, NO_OF_GROUPMEMBERS, new DeactivateAllNeedsOfListAction(ctx, botContextWrapper.getGroupMembersListName()));
    bus.subscribe(FinishedEvent.class, this.messagesDoneListener);
    // When the group facet need is deactivated, all connections are closed. wait for the close events and signal work done.
    this.workDoneSignaller = new ActionOnceAfterNEventsListener(ctx, "workDoneSignaller", NO_OF_GROUPMEMBERS, new SignalWorkDoneAction(ctx));
    bus.subscribe(CloseFromOtherNeedEvent.class, this.workDoneSignaller);
    // start the whole thing:
    // create needs every trigger execution until N needs are created
    this.groupMemberCreator = new ActionOnEventListener(ctx, "groupMemberCreator", new CreateNeedWithFacetsAction(ctx, botContextWrapper.getGroupMembersListName(), FacetType.OwnerFacet.getURI()), NO_OF_GROUPMEMBERS);
    bus.subscribe(ActEvent.class, this.groupMemberCreator);
}