int main()
{
std::stringstream ss;
{
Data mmm {
{ Key {{{KeyElement { 1, 2 }, KeyElement { 3, 4 }} }}, 5 },
{ Key {{{KeyElement { 6, 7 }, KeyElement { 8, 9 }} }}, 42 },
};
boost::archive::text_oarchive oa(ss);
oa << mmm;
}
std::cout << "Serialized:\t" << ss.str() << "\n";
{
boost::archive::text_iarchive iarch(ss);
Data mmm;
iarch >> mmm;
std::cout << "Roundtrip:\t";
boost::archive::text_oarchive oa(std::cout);
oa << mmm;
}
}
Datastore::Datastore(std::istream& in) {
try {
auto pos = in.tellg();
in.seekg(0, in.end);
if (in.tellg() - pos == 0) {
// empty input stream
return;
}
in.seekg(pos);
DatastoreInputArchiveType iarch(in);
iarch >> _root;
} catch (std::exception& e) {
Logf(kLogLevelInfo, "unable to parse datastore input stream");
_good = false;
}
}
bool Journal::applyToDatastore(Datastore* ds) {
if (!_dataStream) {
throw std::runtime_error("no datastream connected to journal");
}
std::vector<std::vector<RecordEvent>> events;
try {
boost::archive::text_iarchive iarch(*_dataStream);
while (true) {
std::vector<RecordEvent> e;
iarch >> e;
events.push_back(std::move(e));
}
} catch (...) {}
for (auto&& vec : events) {
for (auto&& e : vec) {
e(ds);
}
}
return true;
}
