public void afterPropertiesSet() throws Exception {
List<JetstreamTopic> publishingTopics = m_address.getChannelJetstreamTopics();
for (JetstreamTopic topic : publishingTopics) {
MessageService.getInstance().prepareToPublish(topic);
}
}
/** @param topic */
private void subscribe(JetstreamTopic topic) {
try {
LOGGER.info(
"Subscribing to Topic - " + topic.getTopicName() + " on Outbound Messaging Channel");
MessageService.getInstance().subscribe(topic, this);
} catch (MessageServiceException e) {
m_errors.registerError(e);
LOGGER.error("Error Subscribing for Topic - " + topic.getTopicName() + e.getMessage());
} catch (Exception e) {
m_errors.registerError(e);
LOGGER.error("Error Subscribing for Topic - " + topic.getTopicName() + e.getMessage());
}
}
/*
* (non-Javadoc)
*
* @see com.ebay.jetstream.event.channel.ChannelOperations#close()
*/
public void close() throws EventException {
LOGGER.info("Closing Outbound Messaging Chanel");
if (!m_channelOpened.get()) return;
super.close();
Management.removeBeanOrFolder(getBeanName(), this);
m_channelOpened.set(false);
if (getAdviceListener() != null) {
List<JetstreamTopic> publishingTopics = m_address.getChannelJetstreamTopics();
for (JetstreamTopic topic : publishingTopics) {
try {
MessageService.getInstance()
.unsubscribe(
new JetstreamTopic(topic.getRootContext() + "/InternalStateAdvisory"), this);
} catch (MessageServiceException e) {
m_errors.registerError(e);
String errMsg = "Error Unsubscribing for Topic - " + topic.getTopicName();
errMsg += " - ";
errMsg += e.getMessage();
LOGGER.error(errMsg);
} catch (Throwable e) {
m_errors.registerError(e);
LOGGER.error("Error unSubscribing for Topic - " + topic.getTopicName() + e.getMessage());
}
}
}
}
/*
* (non-Javadoc)
*
* @see com.ebay.jetstream.event.EventSink#sendEvent(com.ebay.jetstream.event.JetstreamEvent)
*/
public void sendEvent(JetstreamEvent event) throws EventException {
incrementEventRecievedCounter();
List<JetstreamTopic> publishingTopics = m_address.getChannelJetstreamTopics();
String[] forwardingTopics = event.getForwardingTopics();
for (JetstreamTopic topic : publishingTopics) {
if (forwardingTopics != null) {
boolean bFound = false;
String strSeekName = topic.getTopicName();
for (String strTopic : forwardingTopics) {
if (strTopic.equals(strSeekName)) {
bFound = true;
break;
}
}
if (!bFound) continue;
}
if (LOGGER.isDebugEnabled()) {
LOGGER.debug(
"eventSource="
+ getBeanName()
+ "&eventId = "
+ event.getEventId()
+ "&topic="
+ topic);
}
Any any = null;
if (isConstructEventHolder()) {
JetstreamEvent holderEvent = constructTEventHolder(event);
any = new Any(holderEvent);
} else {
any = new Any(event);
}
any.setPriority(JetstreamMessage.HI_PRIORITY);
if (event.containsKey(affinityKey)) {
Object affkey = event.get(affinityKey);
if (affkey == null) {
incrementEventDroppedCounter();
if (LOGGER.isDebugEnabled()) LOGGER.debug(" Affinity Key passed in is null");
return;
}
any.setAffinityKey(affkey);
if (LOGGER.isDebugEnabled()) {
LOGGER.debug(
"sending on topic - "
+ topic.getTopicName()
+ " "
+ ": Affinity Key = "
+ event.get(affinityKey).toString()
+ " EVENT - "
+ event.toString());
}
}
// we assume that caller will not set affinity key and bcast flag at the same time
// if affinity key is set it will override bcast
if (event.getMetaData(bcastMsg) != null) {
any.setBroadcastMessage(Boolean.parseBoolean((String) event.getMetaData(bcastMsg)));
if (LOGGER.isDebugEnabled()) {
LOGGER.debug(
"sending on topic - "
+ topic.getTopicName()
+ " "
+ ": BroadCast Key = "
+ event.getMetaData(bcastMsg).toString()
+ " EVENT - "
+ event.toString());
}
}
try {
MessageService.getInstance().publish(topic, any);
setLastEvent(event);
incrementEventSentCounter();
} catch (MessageServiceException mse) {
m_errors.registerError(mse);
String errMsg = "Error Publishing Message for Topic - " + topic.getTopicName(); // NOPMD
errMsg += " - ";
errMsg += mse.getMessage();
if (LOGGER.isWarnEnabled()) {
LOGGER.warn(errMsg);
}
sendToAdviceListener(event, RetryEventCode.UNKNOWN, errMsg);
incrementEventDroppedCounter();
if (mse.getError() == MessageServiceException.BUFFER_FULL && !m_alarmRaised.get()) {
setTopicAlarmState(topic.getRootContext());
if (areAllContextsInAlarmCondition()) {
getAlarmListener().alarm(ChannelAlarm.OVERRUN);
postAlert("MessageService Buffer full condition - ", AlertStrength.YELLOW);
LOGGER.info("Outbound Messaging Channel raising alarm");
m_alarmRaised.set(true);
incrementAlarmsRaisedCounter();
}
}
} catch (Throwable t) {
m_errors.registerError(t);
String errMsg = "Error Publishing Message for Topic - " + topic.getTopicName();
errMsg += " - ";
errMsg += t.getMessage();
sendToAdviceListener(event, RetryEventCode.UNKNOWN, errMsg);
incrementEventDroppedCounter();
if (LOGGER.isDebugEnabled()) LOGGER.debug(errMsg);
}
}
}
