void TransactionImpl::DetachDatabase(IBPP::Database db)
{
if (db.intf() == 0)
throw LogicExceptionImpl("Transaction::DetachDatabase",
_("Can't detach an unbound Database."));
DetachDatabaseImpl(dynamic_cast<DatabaseImpl*>(db.intf()));
}
void TransactionImpl::AttachDatabase(IBPP::Database db,
IBPP::TAM am, IBPP::TIL il, IBPP::TLR lr, IBPP::TFF flags)
{
if (db.intf() == 0)
throw LogicExceptionImpl("Transaction::AttachDatabase",
_("Can't attach an unbound Database."));
AttachDatabaseImpl(dynamic_cast<DatabaseImpl*>(db.intf()), am, il, lr, flags);
}
void TransactionImpl::AddReservation(IBPP::Database db,
const std::string& table, IBPP::TTR tr)
{
if (mHandle != 0)
throw LogicExceptionImpl("Transaction::AddReservation",
_("Can't add table reservation if Transaction started."));
if (db.intf() == 0)
throw LogicExceptionImpl("Transaction::AddReservation",
_("Can't add table reservation on an unbound Database."));
// Find the TPB associated with this database
std::vector<DatabaseImpl*>::iterator pos =
std::find(mDatabases.begin(), mDatabases.end(), dynamic_cast<DatabaseImpl*>(db.intf()));
if (pos != mDatabases.end())
{
size_t index = pos - mDatabases.begin();
TPB* tpb = mTPBs[index];
// Now add the reservations to the TPB
switch (tr)
{
case IBPP::trSharedWrite :
tpb->Insert(isc_tpb_lock_write);
tpb->Insert(table);
tpb->Insert(isc_tpb_shared);
break;
case IBPP::trSharedRead :
tpb->Insert(isc_tpb_lock_read);
tpb->Insert(table);
tpb->Insert(isc_tpb_shared);
break;
case IBPP::trProtectedWrite :
tpb->Insert(isc_tpb_lock_write);
tpb->Insert(table);
tpb->Insert(isc_tpb_protected);
break;
case IBPP::trProtectedRead :
tpb->Insert(isc_tpb_lock_read);
tpb->Insert(table);
tpb->Insert(isc_tpb_protected);
break;
default :
throw LogicExceptionImpl("Transaction::AddReservation",
_("Illegal TTR value detected."));
}
}
else throw LogicExceptionImpl("Transaction::AddReservation",
_("The database connection you specified is not attached to this transaction."));
}
