Exemplos de MojDbCursor::storageQuery em C++ (Cpp)

Exemplo n.º 1

Arquivo: MojDb.cpp Projeto: KyleMaas/db8

MojErr MojDb::watch(const MojDbQuery& query, MojDbCursor& cursor, WatchSignal::SlotRef watchHandler, bool& firedOut, MojDbReqRef req)
{
	MojLogTrace(s_log);

	firedOut = false;

	MojErr err = beginReq(req);
	MojErrCheck(err);

	MojRefCountedPtr<MojDbWatcher> watcher(new MojDbWatcher(watchHandler));
	MojAllocCheck(watcher.get());

	MojDbQuery limitedQuery = query;
	limitedQuery.limit(1);
	err = findImpl(limitedQuery, cursor, watcher.get(), req, OpRead);
	MojErrCheck(err);

	MojDbStorageItem* item = NULL;
	bool found = false;
	cursor.verifymode(false);
	err = cursor.get(item, found);
	MojErrCheck(err);

	if (found) {
       const MojDbKey& key = cursor.storageQuery()->endKey();
       err = watcher->fire(key);
       MojErrCheck(err);
       firedOut = true;
	}

	err = req->end(false);
	MojErrCheck(err);

	return MojErrNone;
}