public void append(TransactionGuide guide) {
if (!_nextTransactionInitialized)
throw new IllegalStateException(
"Journal.update() has to be called at least once before Journal.append().");
DurableOutputStream myOutputJournal;
DurableOutputStream outputJournalToClose = null;
guide.startTurn();
try {
guide.checkSystemVersion(_nextTransaction);
if (!isOutputJournalStillValid()) {
outputJournalToClose = _outputJournal;
_outputJournal = createOutputJournal(_nextTransaction);
_journalAgeTimer = StopWatch.start();
}
_nextTransaction++;
myOutputJournal = _outputJournal;
} finally {
guide.endTurn();
}
try {
myOutputJournal.sync(guide);
} catch (IOException iox) {
handle(iox, _outputJournal.file(), "writing to");
}
guide.startTurn();
try {
try {
if (outputJournalToClose != null) outputJournalToClose.close();
} catch (IOException iox) {
handle(iox, outputJournalToClose.file(), "closing");
}
} finally {
guide.endTurn();
}
}
private boolean isOutputJournalTooOld() {
return _journalAgeThresholdInMillis != 0
&& _journalAgeTimer.millisEllapsed() >= _journalAgeThresholdInMillis;
}