Examples with AcsJPublishEventFailureEx alma.acsncErrType.wrappers.AcsJPublishEventFailureEx used on opensource projects

Example 1 with AcsJPublishEventFailureEx

use of alma.acsncErrType.wrappers.AcsJPublishEventFailureEx in project ACS by ACS-Community.

the class NCPublisher method publishEvent.

/**
	 * Takes the given Java object and tries to pack it into a CORBA Any and
	 * publish it to the notification channel. 
	 * This will fail if the parameter is not
	 * CORBA-generated from a user-defined IDL struct. In simple terms, trying
	 * to publish native Java types is impossible because they have no CORBA
	 * mapping to say Python or C++ types.
	 * 
	 * @param customStruct
	 *            An instance of the IDL struct (Java class) to be published.
	 * @throws AcsJPublishEventFailureEx If <code>customStruct</code> is not an IDL struct,
	 *            for which it must be a subclass of IDLEntity.
	 * @throws AcsJException
	 *            There are an enormous amount of possibilities pertaining to
	 *            why an AcsJException would be thrown by publishEvent.
	 */
@Override
public void publishEvent(T customStruct) throws AcsJException {
    // Let's first verify that the use of generics between base class and here is OK also for the DDS side. 
    if (!(customStruct instanceof IDLEntity)) {
        String msg = "ACS is using Corba NC as the underlying pub/sub framework. Event data must be IDL-defined structs that inherit from org.omg.CORBA.portable.IDLEntity.";
        AcsJPublishEventFailureEx ex = new AcsJPublishEventFailureEx();
        ex.setFailureDescription(msg);
        ex.setChannelName(channelName);
        ex.setEventName(customStruct.getClass().getName());
        throw ex;
    }
    IDLEntity customStructEntity = (IDLEntity) customStruct;
    String typeName = customStructEntity.getClass().getSimpleName();
    // Event to send 
    // Header: domain_name = "ALMA", type_name = simple name of IDL struct, event_name = ""
    StructuredEvent event = getCORBAEvent(typeName, "");
    // Send event meta data (client name, timestamp, counter) in the accompanying EventDescription object,
    // which we transmit as the Any field 'remainder_of_body'.
    event.remainder_of_body = services.getAdvancedContainerServices().getAny();
    EventDescription descrip = new EventDescription(services.getName(), alma.acs.util.UTCUtility.utcJavaToOmg(System.currentTimeMillis()), count.getAndIncrement());
    EventDescriptionHelper.insert(event.remainder_of_body, descrip);
    // In the 'filterable_data' field, we send our IDL struct coded as an Any
    event.filterable_data = new Property[1];
    event.filterable_data[0] = new Property(alma.acscommon.DEFAULTDATANAME.value, anyAide.complexObjectToCorbaAny(customStructEntity));
    // Check the queue for events from previous failures.
    synchronized (eventQueueSync) {
        if (eventQueue != null) {
            CircularQueue<T>.Data<T> tmp;
            try {
                while ((tmp = eventQueue.pop()) != null) {
                    publishCORBAEvent(tmp.corbaData, tmp.userData);
                }
            } catch (Exception ex) {
                Level lev = (isTraceEventsEnabled ? Level.INFO : Level.FINEST);
                logger.log(lev, "Failed to flush event queue.", ex);
            // go on and try to send the new event, to at least have it inserted into the queue.
            }
        }
    }
    try {
        publishCORBAEvent(event, customStruct);
    } catch (AcsJCORBAProblemEx ex) {
        String info = ex.getInfo();
        if (false == info.contains("org.omg.CORBA.TRANSIENT")) {
            throw ex;
        }
    }
}