def abort(self):
"""
Aborts the transaction.
@return: None
"""
db.abortTransaction(self.txn)
def retry(self):
"""
Called by the application server whenever a transaction commit fails.
@return: None
@raise porcupine.serverExceptions.DBTransactionIncomplete:
if the maximum number of transaction retries has been reached,
as defined in the C{porcupine.ini} file.
"""
while self._retries < db.db_handle.trans_max_retries:
db.abortTransaction(self.txn)
self._retries += 1
time.sleep(0.05)
self.txn = db.createTransaction()
try:
tmpActions, self.actions = copy.copy(self.actions), []
dummy = [func(*args) for func,args in tmpActions]
return
except serverExceptions.DBTransactionIncomplete:
pass
else:
raise serverExceptions.DBTransactionIncomplete
def repl_commit(self, data):
retries = 0
while retries < db.db_handle.trans_max_retries:
try:
for sId in data[1].keys():
if data[1][sId] != -1:
db.db_handle.repl_putExternalAttribute(sId, data[1][sId], self)
else:
db.db_handle.repl_deleteExternalAttribute(sId, self)
for sId in data[0].keys():
if data[0][sId] != -1:
db.db_handle.repl_putItem(sId, data[0][sId], self)
else:
db.db_handle.repl_deleteItem(sId, self)
db.commitTransaction(self.txn)
return
except serverExceptions.DBTransactionIncomplete:
db.abortTransaction(self.txn)
self.txn = db.createTransaction()
retries += 1
time.sleep(0.05)
raise serverExceptions.DBTransactionIncomplete
def abort(self):
db.abortTransaction(self.txn)