/** @see com.thinkparity.ophelia.model.util.daemon.DaemonJob#invoke() */
@Override
public void run() {
interruptCount = 0;
while (true) {
final long now = System.currentTimeMillis();
logger.logVariable("sessionModel.isOnline()", sessionModel.isOnline());
final long latestProcessTime = queueModel.getLatestProcessTimeMillis();
logger.logVariable("latestProcessTime", format(latestProcessTime));
logger.logVariable("latestExecutionTime", format(latestExecutionTime));
logger.logVariable("timeout", formatDuration(timeout));
if (isQueueTimeout(now, latestProcessTime)
&& isExecutionTimeout(now)
&& sessionModel.isOnline()) {
logger.logInfo("The session has expired and will be reclaimed.");
try {
queueModel.stopNotificationClient();
} finally {
try {
sessionModel.logout();
} finally {
latestExecutionTime = System.currentTimeMillis();
}
}
} else {
logger.logInfo("The session has not expired.");
}
try {
final long sleepMillis = getSleepMillis(now, latestProcessTime);
if (0 > sleepMillis) {
/* we break out of the reaper because we have been "offline"
* longer than we'd like */
logger.logInfo("Terminating session reaper.");
break;
} else {
logger.logInfo("Session reaper sleeping.");
Thread.sleep(getSleepMillis(now, latestProcessTime));
}
} catch (final InterruptedException ix) {
interruptCount++;
logger.logError(
ix,
"Session reaper interrupted: {0}/{1}",
interruptCount,
DEFAULT_INTERRUPT_THRESHOLD);
if (interruptCount + 1 > interruptThreshold) {
interruptCount = 0;
/* we break out of the reaper because we have encountered
* too many interrupts (unlikely) */
logger.logInfo("Terminating session reaper.");
break;
}
}
}
}
/**
* Create SessionReaper.
*
* @param modelFactory An <code>InternalModelFactory</code>.
*/
public SessionReaper(final InternalModelFactory modelFactory) {
super();
this.latestExecutionTime = System.currentTimeMillis();
this.logger = new Log4JWrapper(getClass());
this.queueModel = modelFactory.getQueueModel();
this.sessionModel = modelFactory.getSessionModel();
setInterruptThreshold(sessionModel.getConfiguration());
setTimeout(sessionModel.getConfiguration());
setTimeoutMargin(sessionModel.getConfiguration());
}