def set_metadata(self, name, metadata):
session = db.get_session()
try:
db_state = utils.model_query(models.StateInfo, session).filter_by(
name=name, ).with_lockmode('update').one()
db_state.s_metadata = metadata
except sqlalchemy.orm.exc.NoResultFound:
db_state = models.StateInfo(name=name, s_metadata=metadata)
session.add(db_state)
finally:
session.flush()
def set_metadata(self, name, metadata):
session = db.get_session()
with session.begin():
try:
q = utils.model_query(models.StateInfo, session)
q = q.filter(models.StateInfo.name == name)
q = q.with_lockmode('update')
db_state = q.one()
db_state.s_metadata = metadata
except sqlalchemy.orm.exc.NoResultFound:
db_state = models.StateInfo(name=name, s_metadata=metadata)
session.add(db_state)
def set_state(self, name, state):
session = db.get_session()
with session.begin():
try:
q = utils.model_query(models.StateInfo, session).filter_by(
name=name, ).with_lockmode('update')
db_state = q.one()
db_state.state = state
except sqlalchemy.orm.exc.NoResultFound:
db_state = models.StateInfo(name=name, state=state)
session.add(db_state)
return bool(db_state.state)
def set_state(self, name, state):
session = db.get_session()
with session.begin():
try:
q = utils.model_query(models.StateInfo, session)
q = q.filter(models.StateInfo.name == name)
q = q.with_for_update()
db_state = q.one()
db_state.state = state
except sqlalchemy.orm.exc.NoResultFound:
db_state = models.StateInfo(name=name, state=state)
session.add(db_state)
return db_state.state