Package org.wso2.carbon.dataservices.core.description.event

Examples of org.wso2.carbon.dataservices.core.description.event.EventTrigger

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    }
  }
 
  private void processOutputEvents(OMElement input, Query query)
      throws DataServiceFault {
    EventTrigger trigger = query.getOutputEventTrigger();
    /* if output event trigger is available, execute it */
    if (trigger != null) {
      trigger.execute(input, query.getQueryId());
    }
  }
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            throws DataServiceFault {
        /* clear earlier subscriptions, in case the subscriptions were changed in the data service,
           * i.e. old subscriptions were removed. */
        this.clearDataServicesEventSubscriptions(eventBroker);
        /* register new subscriptions */
        EventTrigger inTrigger;
        EventTrigger outTrigger;
        for (Query query : this.getQueries().values()) {
            inTrigger = query.getInputEventTrigger();
            outTrigger = query.getOutputEventTrigger();
            if (inTrigger != null) {
                inTrigger.initEventBroker(eventBroker);
            }
            if (outTrigger != null) {
                outTrigger.initEventBroker(eventBroker);
            }
        }
    }
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   * This method returns the input and output event triggers in a query.
   * Returns [0] - Input EventTrigger, [1] - Output EventTrigger.
   * @see EventTrigger
   */
  private static EventTrigger[] getEventTriggers(DataService dataService, OMElement queryEl) {
    EventTrigger inputEventTrigger = null;
    EventTrigger outputEventTrigger = null;
    String inTrigId = queryEl.getAttributeValue(new QName(DBSFields.INPUT_EVENT_TRIGGER));
    String outTrigId = queryEl.getAttributeValue(new QName(DBSFields.OUTPUT_EVENT_TRIGGER));
    if (inTrigId != null) {
      inputEventTrigger = dataService.getEventTrigger(inTrigId);
    }
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    }
    return queryEl;
  }
 
  private static void serializeEventTriggers(Query query, OMElement queryEl, OMFactory fac) {
    EventTrigger inputTrigger = query.getInputEventTrigger();
    EventTrigger outputTrigger = query.getOutputEventTrigger();
    if (inputTrigger != null) {
      queryEl.addAttribute(DBSFields.INPUT_EVENT_TRIGGER,
          inputTrigger.getTriggerId(), null);
    }
    if (outputTrigger != null) {
      queryEl.addAttribute(DBSFields.OUTPUT_EVENT_TRIGGER,
          outputTrigger.getTriggerId(), null);
    }
  }
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    }
    return arrayEl;
  }
 
  private void processInputEvents(InternalParamCollection params) throws DataServiceFault {
    EventTrigger inputEventTrigger = this.getInputEventTrigger();
    if (inputEventTrigger != null) {
      OMElement input = this.createOMElementFromInputParams(params);
      inputEventTrigger.execute(input, this.getQueryId());
    }
  }
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        }

        public void run() {
            try {
                MessageContext msgCtx = ((Axis2MessageContext) synCtx).getAxis2MessageContext();
                Event<MessageContext> event = new Event(msgCtx);
                subscriptions = subscriptionManager.getMatchingSubscriptions(event);
            } catch (EventException e) {
                handleException("Matching subscriptions fetching error", e);
            }
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     * @throws EventException event
     */
    private void processGetStatusRequest(MessageContext mc,
                                         ResponseMessageBuilder messageBuilder)
            throws AxisFault, EventException {
        Subscription subscription =
                SubscriptionMessageBuilder.createGetStatusMessage(mc);
        if (log.isDebugEnabled()) {
            log.debug("GetStatus request recived for SynapseSubscription ID : " +
                    subscription.getId());
        }
        subscription = subscriptionManager.getSubscription(subscription.getId());
        if (subscription != null) {
            if (log.isDebugEnabled()) {
                log.debug("Sending GetStatus responce for SynapseSubscription ID : " +
                        subscription.getId());
            }
            //send the responce
            SOAPEnvelope soapEnvelope = messageBuilder.genGetStatusResponse(subscription);
            dispatchResponse(soapEnvelope, EventingConstants.WSE_GET_STATUS_RESPONSE,
                    mc, false);
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            // Adding static subscriptions
            List<Subscription> staticSubscriptionList =
                    eventSource.getSubscriptionManager().getStaticSubscriptions();
            for (Iterator<Subscription> iterator = staticSubscriptionList.iterator();
                 iterator.hasNext();) {
                Subscription staticSubscription = iterator.next();
                OMElement staticSubElem =
                        fac.createOMElement("subscription", XMLConfigConstants.SYNAPSE_OMNAMESPACE);
                staticSubElem.addAttribute(
                        fac.createOMAttribute("id", nullNS, staticSubscription.getId()));
                OMElement filterElem =
                        fac.createOMElement("filter", XMLConfigConstants.SYNAPSE_OMNAMESPACE);
                filterElem.addAttribute(fac.createOMAttribute("source", nullNS,
                        (String) staticSubscription.getFilterValue()));
                filterElem.addAttribute(fac.createOMAttribute("dialect", nullNS,
                        (String) staticSubscription.getFilterDialect()));
                staticSubElem.addChild(filterElem);
                OMElement endpointElem =
                        fac.createOMElement("endpoint", XMLConfigConstants.SYNAPSE_OMNAMESPACE);
                OMElement addressElem =
                        fac.createOMElement("address", XMLConfigConstants.SYNAPSE_OMNAMESPACE);
                addressElem.addAttribute(
                        fac.createOMAttribute("uri", nullNS, staticSubscription.getEndpointUrl()));
                endpointElem.addChild(addressElem);
                staticSubElem.addChild(endpointElem);
                if (staticSubscription.getExpires() != null) {
                    OMElement expiresElem =
                            fac.createOMElement("expires", XMLConfigConstants.SYNAPSE_OMNAMESPACE);
                    fac.createOMText(expiresElem,
                            ConverterUtil.convertToString(staticSubscription.getExpires()));
                    staticSubElem.addChild(expiresElem);
                }
                evenSourceElem.addChild(staticSubElem);
            }
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    public SynapseSubscription() {
        this.setId(UIDGenerator.generateURNString());
        this.setDeliveryMode(EventingConstants.WSE_DEFAULT_DELIVERY_MODE);
        SubscriptionData subscriptionData = new SubscriptionData();
        subscriptionData.setProperty(SynapseEventingConstants.STATIC_ENTRY, "false");
        this.setSubscriptionData(subscriptionData);
    }
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                    .getAttribute(new QName(XMLConfigConstants.NULL_NAMESPACE, "class"));
            if (clazz != null) {
                String className = clazz.getAttributeValue();
                try {
                    Class subscriptionManagerClass = Class.forName(className);
                    SubscriptionManager manager =
                            (SubscriptionManager) subscriptionManagerClass.newInstance();
                    Iterator itr = subscriptionManagerElem.getChildrenWithName(PROPERTIES_QNAME);
                    while (itr.hasNext()) {
                        OMElement propElem = (OMElement) itr.next();
                        String propName =
                                propElem.getAttribute(new QName("name")).getAttributeValue();
                        String propValue =
                                propElem.getAttribute(new QName("value")).getAttributeValue();
                        if (propName != null && !"".equals(propName.trim()) &&
                                propValue != null && !"".equals(propValue.trim())) {

                            propName = propName.trim();
                            propValue = propValue.trim();

                            PasswordManager passwordManager =
                                    PasswordManager.getInstance();
                            String key = eventSource.getName() + "." + propName;

                            if (passwordManager.isInitialized()
                                    && passwordManager.isTokenProtected(key)) {
                                eventSource.putConfigurationProperty(propName, propValue);
                                propValue = passwordManager.resolve(propValue);
                            }

                            manager.addProperty(propName, propValue);
                        }
                    }
                    eventSource.setSubscriptionManager(manager);
                    eventSource.getSubscriptionManager()
                            .init(); // Initialise before doing further processing, required for static subscriptions
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