@Override
protected void setRootAsync(Object value, FutureWithCallback<Void> future) {
if (value instanceof UserTObject && ((UserTObject) value).getTrunk().getStore() != BinaryStore.this)
future.setException(new RuntimeException(Strings.WRONG_STORE));
else {
byte[] data = writeObject(value);
long id = _jdbm.getRoot(ROOT);
if (id != 0)
_jdbm.update(id, data);
else {
id = _jdbm.insert(data);
_jdbm.setRoot(ROOT, id);
}
future.set(null);
}
}
@Override
protected void getRootAsync(FutureWithCallback<Object> future) {
long rootId = _jdbm.getRoot(ROOT);
byte[] data = null;
if (rootId == 0)
future.set(null);
else {
data = _jdbm.fetch(rootId);
if (data == null)
throw new RuntimeIOException(Strings.CORRUPTED_STORE);
Object root = _reader.read(data);
_reader.readVersions();
_reader.importVersions();
future.set(root);
}
}
public final void start() {
onStarting();
long sessionsId = _jdbm.getRoot(SESSIONS);
if (sessionsId != 0) {
_sessions = BTree.load(_jdbm, sessionsId, true);
if (_sessions == null)
throw new RuntimeIOException(Strings.CORRUPTED_STORE);
} else {
_sessions = new BTree(_jdbm, true);
_jdbm.setRoot(SESSIONS, _sessions.getId());
}
if (Debug.THREADS) {
ThreadAssert.exchangeGive(this, _sessions);
ThreadAssert.exchangeGiveList(this, _reader.getThreadContextObjects());
ThreadAssert.exchangeGiveList(this, _writer.getThreadContextObjects());
ThreadAssert.exchangeGive(this, this);
}
onStarted();
}
