private final long fetchRecord(long records, int id) {
if (records != Record.NOT_STORED) {
byte[] session = getRecordManager().fetch(records);
if (Debug.ENABLED)
Debug.assertion(session.length == Session.TOTAL_LENGTH * 8);
return Utils.readLong(session, id * 8);
}
return Record.NOT_STORED;
}
final void updateRecord(Version shared, Session session, byte[] uid, long currentRecord, long newRecord, int id) {
if (Debug.ENABLED)
Debug.assertion(newRecord != currentRecord);
int index = _updatedVersions.add(shared);
if (index == _updatedVersionsRecords.length)
_updatedVersionsRecords = Utils.extend(_updatedVersionsRecords);
_updatedVersionsRecords[index] = newRecord;
// Sessions
int sessionIndex = _updatedSessions.indexOf(session);
long records = sessionIndex >= 0 ? _updatedSessionsRecords[sessionIndex] : session.getRecords();
final long initialRecords = records;
if (records == Record.NOT_STORED)
records = _sessions.fetch(uid);
if (records != Record.NOT_STORED) {
byte[] data = getRecordManager().fetch(records);
if (Debug.ENABLED) {
Debug.assertion(data.length == Session.TOTAL_LENGTH * 8);
Debug.assertion(Utils.readLong(data, id * 8) == currentRecord);
}
Utils.writeLong(data, id * 8, newRecord);
getRecordManager().update(records, data, 0, data.length);
} else {
byte[] data = new byte[Session.TOTAL_LENGTH * 8];
Utils.writeLong(data, id * 8, newRecord);
records = getRecordManager().insert(data, 0, data.length);
_sessions.put(uid, records);
}
if (records != initialRecords) {
index = _updatedSessions.add(session);
if (index == _updatedSessionsRecords.length)
_updatedSessionsRecords = Utils.extend(_updatedSessionsRecords);
_updatedSessionsRecords[index] = records;
}
}