/**
* Worker method called by the retry processing timer. This checks any reliable messages that have
* not yet had an acknowledgement (or explicit error) to see if they need retrying, or if they are
* due for expiry. Any expired messages have the expiry process, including any user-supplied
* expiry handler, called on them.
*
* <p>It also requests that the listener checks its de-duplication list against persist durations,
* and clears out any message ids from that list that are out of scope.
*/
void processRetries() {
if ((requests == null) || (requests.isEmpty())) {
listener.cleanDeduplicationList();
return;
}
Calendar check = Calendar.getInstance();
ArrayList<Sendable> expires = new ArrayList<>();
for (Sendable s : requests.values()) {
Calendar expiryTime = s.getStarted();
expiryTime.add(Calendar.SECOND, s.getPersistDuration());
if (expiryTime.before(check)) {
expires.add(s);
} else {
Calendar retryAfter = s.lastTry();
if (retryAfter == null) return;
retryAfter.add(Calendar.SECOND, s.getRetryInterval());
if (retryAfter.before(check)) {
(new Transmitter(s)).start();
}
}
}
for (Sendable s : expires) {
try {
removeRequest(s.getMessageId());
s.expire();
} catch (Exception e) {
SpineToolsLogger.getInstance()
.log("org.warlock.spine.connection.ConnectionManager.expireException", e);
}
}
}
private void depersist(String a) {
try {
File f = new File(messageDirectory, a);
if (f.exists()) f.delete();
} catch (Exception e) {
SpineToolsLogger.getInstance()
.log("org.warlock.spine.connection.ConnectionManager.depersistException", e);
}
}
public void stopRetryProcessor() {
if (timer == null) return;
try {
timer.shutdown();
} catch (Exception e) {
SpineToolsLogger.getInstance()
.log("org.warlock.spine.connection.ConnectionManager.stopRetryProcessor", e);
}
}
/**
* Used for processing asynchronous acknowledgements. If the given message id is known (i.e. if we
* have a request for it) then it is removed. Otherwise the unknown id is logged. This is only
* called by the TMS listener at present, though in principle it could be called for other
* transports.
*
* @param a ebXml message id of the received acknowledgement or error notification
*/
public void registerAck(String a) {
if (a == null) return;
if (requests.containsKey(a)) {
requests.remove(a);
depersist(a);
} else {
SpineToolsLogger.getInstance()
.log(
"org.warlock.spine.connection.ConnectionManager.registerAck",
"Ack received for unrecognised message id");
}
}