lsst.dax.apdb.cassandra.sessionFactory.SessionFactory Class Reference

Public Member Functions
	__init__ (self, ApdbCassandraConfig config)
None	__del__ (self)
Session	session (self)

Protected Member Functions
tuple[Cluster, Session]	_make_session (self)
AuthProvider|None	_make_auth_provider (self)
Mapping[Any, ExecutionProfile]	_make_profiles (self)

Protected Attributes
	_config = config
Cluster|None	_cluster = None
Session|None	_session = None

Detailed Description

Implementation of SessionFactory that uses parameters from Apdb
configuration.

Parameters
----------
config : `ApdbCassandraConfig`
    Configuration object.

Member Function Documentation

_make_auth_provider()

AuthProvider | None lsst.dax.apdb.cassandra.sessionFactory.SessionFactory._make_auth_provider ( self )

protected

Make Cassandra authentication provider instance.

_make_profiles()

Mapping[Any, ExecutionProfile] lsst.dax.apdb.cassandra.sessionFactory.SessionFactory._make_profiles ( self )

protected

Make all execution profiles used in the code.

_make_session()

tuple[Cluster, Session] lsst.dax.apdb.cassandra.sessionFactory.SessionFactory._make_session ( self )

protected

Make Cassandra session.

Returns
-------
cluster : `cassandra.cluster.Cluster`
    Cassandra Cluster object
session : `cassandra.cluster.Session`
    Cassandra session object

session()

Session lsst.dax.apdb.cassandra.sessionFactory.SessionFactory.session

(

self

)

Return Cassandra Session, making new connection if necessary.

Returns
-------
session : `cassandra.cluster.Sesion`
    Cassandra session object.

---

The documentation for this class was generated from the following file:

• python/lsst/dax/apdb/cassandra/sessionFactory.py