def checkTypicalUsage(self):
tbuf = TransactionBuffer(0)
store(tbuf)
store(tbuf)
for o in tbuf:
pass
tbuf.close()
def checkTypicalUsage(self):
tbuf = TransactionBuffer(0)
store(tbuf)
store(tbuf)
for o in tbuf:
pass
tbuf.close()
def checkOrderPreserved(self):
tbuf = TransactionBuffer(0)
data = []
for i in range(10):
data.append((store(tbuf), False))
data.append((store(tbuf, True), True))
for i, (oid, d, resolved) in enumerate(tbuf):
self.assertEqual((oid, d), data[i][0])
self.assertEqual(resolved, data[i][1])
tbuf.close()
def checkOrderPreserved(self):
tbuf = TransactionBuffer(0)
data = []
for i in range(10):
data.append((store(tbuf), False))
data.append((store(tbuf, True), True))
for i, (oid, d, resolved) in enumerate(tbuf):
self.assertEqual((oid, d), data[i][0])
self.assertEqual(resolved, data[i][1])
tbuf.close()
def tpc_begin(self, txn, tid=None, status=' '):
"""Storage API: begin a transaction."""
if self._is_read_only:
raise POSException.ReadOnlyError()
try:
tbuf = txn.data(self)
except AttributeError:
# Gaaaa. This is a recovery transaction. Work around this
# until we can think of something better. XXX
tb = {}
txn.data = tb.__getitem__
txn.set_data = tb.__setitem__
except KeyError:
pass
else:
if tbuf is not None:
raise POSException.StorageTransactionError(
"Duplicate tpc_begin calls for same transaction")
txn.set_data(self, TransactionBuffer(self._connection_generation))
# XXX we'd like to allow multiple transactions at a time at some point,
# but for now, due to server limitations, TCBOO.
self._commit_lock.acquire()
self._tbuf = txn.data(self)
try:
self._async('tpc_begin', id(txn), txn.user, txn.description,
txn.extension, tid, status)
except ClientDisconnected:
self.tpc_end(txn)
raise
def checkReusable(self):
tbuf = TransactionBuffer()
self.doUpdates(tbuf)
tbuf.clear()
self.doUpdates(tbuf)
tbuf.clear()
self.doUpdates(tbuf)
def checkOrderPreserved(self):
tbuf = TransactionBuffer()
self.doUpdates(tbuf)
def checkTypicalUsage(self):
tbuf = TransactionBuffer()
tbuf.store(*new_store_data())
tbuf.invalidate(*new_invalidate_data())
for o in tbuf:
pass
