protected synchronized void removeRecordsOlderThan(long millisInUtc) {
RW_LOCK.writeLock().lock();
try {
if (millisInUtc <= 0 || stopped) {
return;
}
long searchBound = TIME_BASED_KEYS.getCounterEndingAt(millisInUtc);
LOGGER.debug("Removing records older than " + searchBound);
NavigableMap<Long, JournalRecord> toRemove = this.records.headMap(searchBound);
toRemove.clear();
journalDB.commit();
journalDB.compact();
} finally {
RW_LOCK.writeLock().unlock();
}
}
@Override
protected void configure() {
ChangeInfoFormatter changeFormatter;
try {
changeFormatter =
(ChangeInfoFormatter)
Class.forName(properties.getProperty(Constants.CHANGE_INFO_FORMATTER_CLASS))
.getDeclaredConstructor(Properties.class)
.newInstance(properties);
} catch (Exception e) {
log.warn(
"unable to load "
+ properties.getProperty(Constants.CHANGE_INFO_FORMATTER_CLASS)
+ " class as a change formatter, using the default one",
e);
changeFormatter = new DefaultChangeInfoFormatter(properties);
}
DB db = DBMaker.newFileDB(new File("db")).closeOnJvmShutdown().make();
db.compact();
bind(DB.class).toInstance(db);
bind(String.class)
.annotatedWith(Names.named(Constants.GERRIT_URL))
.toInstance(properties.getProperty(Constants.GERRIT_URL));
bind(String.class)
.annotatedWith(Names.named(Constants.JIRA_URL))
.toInstance(properties.getProperty(Constants.JIRA_URL));
bind(String.class)
.annotatedWith(Names.named(Constants.JIRA_USER))
.toInstance(properties.getProperty(Constants.JIRA_USER));
bind(String.class)
.annotatedWith(Names.named(Constants.JIRA_PASSWORD))
.toInstance(properties.getProperty(Constants.JIRA_PASSWORD));
bind(ReviewRequestService.class).to(ReviewRequestServiceImpl.class);
bind(ProjectSubscriptionService.class).to(ProjectSubscriptionImpl.class);
bind(ExecutorService.class).toInstance(Executors.newFixedThreadPool(8));
bind(ChangeInfoFormatter.class).toInstance(changeFormatter);
}
/**
* Create a new interval persister. If file points to an existing database of intervals, it will
* be reused.
*/
public IntervalPersister(final File file) {
this.databaseFile = file;
try {
initalizeDatabase(file);
} catch (Error e) {
// MapDB wraps every exception inside an Error, so this code is
// unfortunately necessary.
try {
recreateDatabase(file);
} catch (Error innerError) {
WatchDogLogger.getInstance().logSevere(innerError);
}
}
try {
// Compact database on every 10th new interval.
if (!set.isEmpty() && set.size() % 10 == 0) {
replaceClassLoader();
database.compact();
resetOldClassLoader();
}
} catch (Error e) {
// intentionally left empty.
}
}
@Test
public void NoSuchElem_After_Clear() {
// bug reported by : Lazaros Tsochatzidis
// But after clearing the tree using:
//
// public void Delete() {
// db.getTreeMap("Names").clear();
// db.compact();
// }
//
// every next call of getLastKey() leads to the exception "NoSuchElement". Not
// only the first one...
DB db = DBMaker.memoryDB().transactionDisable().make();
NavigableMap m = db.treeMap("name");
try {
m.lastKey();
fail();
} catch (NoSuchElementException e) {
}
m.put("aa", "aa");
assertEquals("aa", m.lastKey());
m.put("bb", "bb");
assertEquals("bb", m.lastKey());
db.treeMap("name").clear();
db.compact();
try {
Object key = m.lastKey();
fail(key.toString());
} catch (NoSuchElementException e) {
}
m.put("aa", "aa");
assertEquals("aa", m.lastKey());
m.put("bb", "bb");
assertEquals("bb", m.lastKey());
}
public void compact() {
db.compact();
}