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()
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()