def abort(self, transaction): """Abort a transaction and forget all changes. Abort must be called outside of a two-phase commit. Abort is called by the transaction manager to abort transactions that are not yet in a two-phase commit. """ self.transaction.rollback() objectstore.clear()
def tpc_abort(self, transaction): """Abort a transaction. This is called by a transaction manager to end a two-phase commit on the data manager. Abandon all changes to objects modified by this transaction. transaction is the ITransaction instance associated with the transaction being committed. This should never fail. """ self.transaction.abort() objectstore.clear()
def tpc_finish(self, transaction): """Indicate confirmation that the transaction is done. Make all changes to objects modified by this transaction persist. transaction is the ITransaction instance associated with the transaction being committed. This should never fail. If this raises an exception, the database is not expected to maintain consistency; it's a serious error. """ #print "tpc commit" self.transaction.commit() objectstore.clear()