@Override
protected void fetchAsync(List<byte[]> refs, AsyncCallback<Object[]> objects) {
Object[] result = new Object[refs.size()];
for (int i = 0; i < result.length; i++) {
result[i] = _reader.read(refs.get(i));
_reader.readVersions();
_reader.importVersions();
}
objects.onSuccess(result);
}
@Override
protected void checkedRun() {
if (Debug.THREADS) {
ThreadAssert.resume(this, false);
ThreadAssert.exchangeTake(this);
}
Exception ex;
try {
onRunStarting();
runTasks();
//
while (_inserts.size() > 0)
_refs.add(writeObject(_inserts.poll()));
//
if (Debug.ENABLED)
Debug.assertion(!_writer.interrupted());
for (;;) {
BinaryStore.this.run(_writer);
if (!_writer.interrupted())
break;
_writer.grow();
}
_writer.writeSnapshots();
//
Exception wrongStore = null;
int toremove;
if (_writer.getWrongStore() == null)
_jdbm.commit();
else {
_jdbm.rollback();
wrongStore = new RuntimeException(Strings.WRONG_STORE + _writer.getWrongStore());
}
while (_processed.size() > 0) {
Transaction branch = _processed.pollPartOfClear();
byte interception = _processedInterceptions[_processed.size()];
if (wrongStore == null)
Interceptor.ack(branch, interception, true);
else
Interceptor.nack(branch, null, wrongStore);
}
if (wrongStore != null) {
if (Debug.ENABLED) {
// Assert old records have been restored on rollback
for (int i = 0; i < _updatedVersions.size(); i++) {
Version shared = _updatedVersions.get(i);
Debug.assertion(_jdbm.fetch(shared.getRecord()) != null);
}
}
_updatedVersions.clear();
_updatedSessions.clear();
} else {
while (_updatedVersions.size() > 0) {
Version shared = _updatedVersions.pollPartOfClear();
long record = _updatedVersionsRecords[_updatedVersions.size()];
shared.setRecord(record);
}
while (_updatedSessions.size() > 0) {
Session session = _updatedSessions.pollPartOfClear();
long records = _updatedSessionsRecords[_updatedSessions.size()];
session.setRecords(records);
}
}
//
while (_callbacks.size() > 0) {
AsyncCallback<byte[]> callback = _callbacks.poll();
byte[] ref = _refs.poll();
if (wrongStore == null)
callback.onSuccess(ref);
else
callback.onFailure(wrongStore);
}
//
_writer.resetWrongStore();
if (Debug.THREADS)
ThreadAssert.suspend(this);
setFlushes();
onRunEnded();
return;
} catch (Exception e) {
ex = e;
}
while (_callbacks.size() > 0)
_callbacks.poll().onFailure(ex);
// Only in case of exception (can be closing)
onException(ex);
}
