use of won.bot.framework.eventbot.bus.EventBus in project webofneeds by researchstudio-sat.
the class EchoBot method initializeEventListeners.
@Override
protected void initializeEventListeners() {
EventListenerContext ctx = getEventListenerContext();
EventBus bus = getEventBus();
// 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 - if we're not reacting to the creation of our own echo need.
this.needCreator = new ActionOnEventListener(ctx, new NotFilter(new NeedUriInNamedListFilter(ctx, ctx.getBotContextWrapper().getNeedCreateListName())), prepareCreateNeedAction(ctx));
bus.subscribe(NeedCreatedEventForMatcher.class, this.needCreator);
// as soon as the echo need is created, connect to original
this.needConnector = new ActionOnEventListener(ctx, "needConnector", new RandomDelayedAction(ctx, 5000, 5000, 1, new ConnectWithAssociatedNeedAction(ctx, FacetType.OwnerFacet.getURI(), FacetType.OwnerFacet.getURI(), "Greetings! I am the EchoBot! I will repeat everything you say, which you might " + "find useful for testing purposes.")));
bus.subscribe(NeedCreatedEvent.class, this.needConnector);
// add a listener that auto-responds to messages by a message
// after 10 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 ActionOnEventListener(ctx, new RespondWithEchoToMessageAction(ctx));
bus.subscribe(OpenFromOtherNeedEvent.class, this.autoResponder);
bus.subscribe(MessageFromOtherNeedEvent.class, this.autoResponder);
bus.subscribe(CloseFromOtherNeedEvent.class, new ActionOnEventListener(ctx, new LogAction(ctx, "received close message from remote need.")));
}
use of won.bot.framework.eventbot.bus.EventBus in project webofneeds by researchstudio-sat.
the class MatcherProtocolTestBot method initializeEventListeners.
@Override
protected void initializeEventListeners() {
EventListenerContext ctx = getEventListenerContext();
EventBus bus = getEventBus();
// subscribe this bot with the WoN nodes' 'new need' topic
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 needs every trigger execution until 2 needs are created
this.needCreator = new ActionOnEventListener(ctx, new CreateNeedWithFacetsAction(ctx, getBotContextWrapper().getNeedCreateListName()), NO_OF_NEEDS);
bus.subscribe(MatcherRegisteredEvent.class, new ActionOnEventListener(ctx, new BaseEventBotAction(ctx) {
@Override
protected void doRun(final Event event, EventListener executingListener) throws Exception {
getEventListenerContext().getEventBus().subscribe(ActEvent.class, needCreator);
}
}, 1));
this.matcherNotifier = new ActionOnceAfterNEventsListener(ctx, 4, new LogAction(ctx, "Received all events for newly created needs."));
bus.subscribe(NeedCreatedEventForMatcher.class, matcherNotifier);
bus.subscribe(NeedCreatedEvent.class, matcherNotifier);
this.matcher = new ActionOnceAfterNEventsListener(ctx, NO_OF_NEEDS, new MatchNeedsAction(ctx));
// count until 1 need is created, then create a comment facet
bus.subscribe(NeedCreatedEvent.class, this.matcher);
this.allNeedsDeactivator = new ActionOnEventListener(ctx, new DeactivateAllNeedsAction(ctx), 1);
bus.subscribe(HintFromMatcherEvent.class, this.allNeedsDeactivator);
this.workDoneSignaller = new ActionOnceAfterNEventsListener(ctx, 4, new SignalWorkDoneAction(ctx));
bus.subscribe(NeedDeactivatedEvent.class, this.workDoneSignaller);
bus.subscribe(NeedDeactivatedEventForMatcher.class, this.workDoneSignaller);
}
use of won.bot.framework.eventbot.bus.EventBus in project webofneeds by researchstudio-sat.
the class NeedCreatorBot method initializeEventListeners.
@Override
protected void initializeEventListeners() {
final EventListenerContext ctx = getEventListenerContext();
final EventBus bus = getEventBus();
final Counter needCreationSuccessfulCounter = new CounterImpl("needsCreated");
final Counter needCreationFailedCounter = new CounterImpl("needCreationFailed");
final Counter needCreationStartedCounter = new CounterImpl("creationStarted");
// 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 Counter creationUnfinishedCounter = new TargetCounterDecorator(ctx, new CounterImpl("creationUnfinished"), 0);
// create needs every trigger execution until the need producer is exhausted
this.groupMemberCreator = new ActionOnEventListener(ctx, "groupMemberCreator", new MultipleActions(ctx, new IncrementCounterAction(ctx, needCreationStartedCounter), new IncrementCounterAction(ctx, creationUnfinishedCounter), new CreateNeedWithFacetsAction(ctx, getBotContextWrapper().getNeedCreateListName())), -1);
bus.subscribe(ActEvent.class, this.groupMemberCreator);
bus.subscribe(NeedCreatedEvent.class, new ActionOnEventListener(ctx, "logger", new BaseEventBotAction(ctx) {
int lastOutput = 0;
@Override
protected void doRun(final Event event, EventListener executingListener) throws Exception {
int cnt = needCreationStartedCounter.getCount();
int unfinishedCount = creationUnfinishedCounter.getCount();
int successCnt = needCreationSuccessfulCounter.getCount();
int failedCnt = needCreationFailedCounter.getCount();
if (cnt - lastOutput >= 1) {
logger.info("started creation of {} needs, creation not yet finished for {}. Successful: {}, failed: {}", new Object[] { cnt, unfinishedCount, successCnt, failedCnt });
lastOutput = cnt;
}
}
}));
// When the needproducer is exhausted, stop the creator.
getEventBus().subscribe(NeedProducerExhaustedEvent.class, new ActionOnEventListener(ctx, new UnsubscribeListenerAction(ctx, groupMemberCreator)));
// also, keep track of what worked and what didn't
bus.subscribe(NeedCreationFailedEvent.class, new ActionOnEventListener(ctx, new IncrementCounterAction(ctx, needCreationFailedCounter)));
bus.subscribe(NeedCreatedEvent.class, new ActionOnEventListener(ctx, new IncrementCounterAction(ctx, needCreationSuccessfulCounter)));
// when a need is created (or it failed), decrement the halfCreatedNeed counter
EventListener downCounter = new ActionOnEventListener(ctx, "downCounter", new DecrementCounterAction(ctx, creationUnfinishedCounter));
// count a successful need creation
bus.subscribe(NeedCreatedEvent.class, downCounter);
// if a creation failed, we don't want to keep us from keeping the correct count
bus.subscribe(NeedCreationFailedEvent.class, downCounter);
// we count the one execution when the creator realizes that the producer is exhausted, we have to count down
// once for that, too.
bus.subscribe(NeedProducerExhaustedEvent.class, downCounter);
EventListener loadTestMonitor = new ActionOnEventListener(ctx, "loadTestMonitor", new MatchingLoadTestMonitorAction(ctx));
bus.subscribe(NeedCreatedEvent.class, loadTestMonitor);
bus.subscribe(HintFromMatcherEvent.class, loadTestMonitor);
// wait for the targetCountReached event of the finishedCounter. We don't use
// another target counter, so we don't need to do more filtering.
// this.workDoneSignaller = new ActionOnEventListener(
// ctx, "workDoneSignaller",
// new SignalWorkDoneAction(ctx));
// bus.subscribe(TargetCountReachedEvent.class, this.workDoneSignaller);
}
use of won.bot.framework.eventbot.bus.EventBus in project webofneeds by researchstudio-sat.
the class BAAtomicBaseBot method initializeEventListeners.
@Override
protected void initializeEventListeners() {
final EventListenerContext ctx = getEventListenerContext();
final EventBus bus = getEventBus();
ParticipantCoordinatorBotContextWrapper botContextWrapper = (ParticipantCoordinatorBotContextWrapper) getBotContextWrapper();
// create needs every trigger execution until noOfNeeds are created
this.participantNeedCreator = new ActionOnEventListener(ctx, "participantCreator", new CreateNeedWithFacetsAction(ctx, botContextWrapper.getParticipantListName(), getParticipantFacetType().getURI()), noOfNeeds - 1);
bus.subscribe(ActEvent.class, this.participantNeedCreator);
// 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);
FinishedEventFilter coordinatorCreatorFilter = new FinishedEventFilter(coordinatorNeedCreator);
final Iterator<TwoPhaseScript> scriptIterator = scripts.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 secondPhaseScriptListenerFilter = 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) {
TwoPhaseScript script = scriptIterator.next();
// create the listener that will execute the script actions
BATestScriptListener testScriptListener = new BATestScriptListener(ctx, script.getFirstPhaseScript(), fromNeedURI, toNeedURI, MILLIS_BETWEEN_MESSAGES);
// 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, script.getSecondPhaseScript(), fromNeedURI, toNeedURI, MILLIS_BETWEEN_MESSAGES);
// remember both listeners as a pair as we'll need them together later
TwoPhaseScriptListener twoPhaseScriptListener = new TwoPhaseScriptListener(testScriptListener, secondPhaseTestScriptListener);
scriptListeners.add(twoPhaseScriptListener);
secondPhaseScriptListenerFilter.addFilter(new AcceptOnceFilter(new FinishedEventFilter(secondPhaseTestScriptListener)));
}
};
// when done, connect the participants to the coordinator
this.needConnector = new ActionOnceAfterNEventsListener(ctx, "needConnector", noOfNeeds, new ConnectFromListToListAction(ctx, botContextWrapper.getCoordinatorListName(), botContextWrapper.getParticipantListName(), getCoordinatorFacetType().getURI(), getParticipantFacetType().getURI(), MILLIS_BETWEEN_MESSAGES, scriptConnectHook, "Hi!"));
bus.subscribe(NeedCreatedEvent.class, this.needConnector);
// for each group member, there are 2 listeners waiting for messages. when they are all finished, we're done.
this.firstPhaseDoneListener = new ActionOnceAfterNEventsListener(ctx, "firstPhaseDoneListener", firstPhaseScriptListenerFilter, noOfNeeds - 1, new BaseEventBotAction(ctx) {
@Override
protected void doRun(final Event event, EventListener executingListener) throws Exception {
logger.debug("starting second phase");
for (TwoPhaseScriptListener listener : scriptListeners) {
logger.debug("subscribing second phase listener {}", listener);
// subscribe it to the relevant events.
bus.subscribe(MessageFromOtherNeedEvent.class, listener.getSecondPhaseListener());
bus.subscribe(SecondPhaseStartedEvent.class, listener.getSecondPhaseListener());
listener.getSecondPhaseListener().setCoordinatorSideConnectionURI(listener.getFirstPhaseListener().getCoordinatorSideConnectionURI());
listener.getSecondPhaseListener().setParticipantSideConnectionURI(listener.getFirstPhaseListener().getParticipantSideConnectionURI());
listener.getSecondPhaseListener().updateFilterForBothConnectionURIs();
bus.publish(new SecondPhaseStartedEvent(listener.getFirstPhaseListener().getCoordinatorURI(), listener.getFirstPhaseListener().getCoordinatorSideConnectionURI(), listener.getFirstPhaseListener().getParticipantURI()));
}
}
});
bus.subscribe(FinishedEvent.class, this.firstPhaseDoneListener);
// 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);
}
use of won.bot.framework.eventbot.bus.EventBus in project webofneeds by researchstudio-sat.
the class StandardTwoPhaseCommitNoVoteBot method initializeEventListeners.
@Override
protected void initializeEventListeners() {
EventListenerContext ctx = getEventListenerContext();
EventBus bus = getEventBus();
ParticipantCoordinatorBotContextWrapper botContextWrapper = (ParticipantCoordinatorBotContextWrapper) getBotContextWrapper();
// create needs every trigger execution until noOfNeeds are created
this.participantNeedCreator = new ActionOnEventListener(ctx, "participantCreator", new CreateNeedWithFacetsAction(ctx, botContextWrapper.getParticipantListName(), FacetType.ParticipantFacet.getURI()), noOfNeeds - 1);
bus.subscribe(ActEvent.class, this.participantNeedCreator);
// when done, create one coordinator need
this.coordinatorNeedCreator = new ActionOnEventListener(ctx, "coordinatorCreator", new FinishedEventFilter(participantNeedCreator), new CreateNeedWithFacetsAction(ctx, botContextWrapper.getCoordinatorListName(), FacetType.CoordinatorFacet.getURI()), 1);
bus.subscribe(FinishedEvent.class, this.coordinatorNeedCreator);
// when done, connect the participants to the coordinator
this.needConnector = new ActionOnceAfterNEventsListener(ctx, "needConnector", noOfNeeds, new ConnectFromListToListAction(ctx, botContextWrapper.getCoordinatorListName(), botContextWrapper.getParticipantListName(), FacetType.CoordinatorFacet.getURI(), FacetType.ParticipantFacet.getURI(), MILLIS_BETWEEN_MESSAGES, "Hi!"));
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, "autoOpener", new OpenConnectionAction(ctx, "Hi!"));
bus.subscribe(OpenFromOtherNeedEvent.class, this.autoOpener);
bus.subscribe(ConnectFromOtherNeedEvent.class, this.autoOpener);
this.autoCloser = new ActionOnceAfterNEventsListener(ctx, "autoCloser", noOfNeeds - 3, new CloseConnectionAction(ctx, "Bye!"));
bus.subscribe(ConnectFromOtherNeedEvent.class, this.autoCloser);
// after the last connect event, all connections are closed!
this.needDeactivator = new ActionOnEventListener(ctx, new TwoPhaseCommitNoVoteDeactivateAllNeedsAction(ctx), 1);
bus.subscribe(CloseFromOtherNeedEvent.class, this.needDeactivator);
// add a listener that counts two NeedDeactivatedEvents and then tells the
// framework that the bot's work is done
this.workDoneSignaller = new ActionOnceAfterNEventsListener(ctx, noOfNeeds, new SignalWorkDoneAction(ctx));
bus.subscribe(NeedDeactivatedEvent.class, this.workDoneSignaller);
}
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