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

Inheritance diagram for lsst.dax.apdb.cassandra.sessionFactory.SessionContext:

Public Member Functions
	__init__ (self, ApdbCassandraConfig config)
Session	__enter__ (self)

Protected Attributes
	_session_factory = SessionFactory(config)

Detailed Description

Context manager for creating short-lived Cassandra sessions.

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

Definition at line 245 of file sessionFactory.py.

Constructor & Destructor Documentation

__init__()

lsst.dax.apdb.cassandra.sessionFactory.SessionContext.__init__	(		self,
		ApdbCassandraConfig	config )

Definition at line 254 of file sessionFactory.py.

    def __init__(self, config: ApdbCassandraConfig):
        super().__init__()
        self._session_factory = SessionFactory(config)
 

Member Function Documentation

__enter__()

Session lsst.dax.apdb.cassandra.sessionFactory.SessionContext.__enter__

(

self

)

Definition at line 258 of file sessionFactory.py.

    def __enter__(self) -> Session:
        super().__enter__()
        cluster, session = self._session_factory._make_session()
        self.enter_context(cluster)
        self.enter_context(session)
        return session

Member Data Documentation

_session_factory

lsst.dax.apdb.cassandra.sessionFactory.SessionContext._session_factory = SessionFactory(config)

protected

Definition at line 256 of file sessionFactory.py.

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

• /j/snowflake/release/lsstsw/stack/lsst-scipipe-12.1.0/Linux/dax_apdb/gb88ae4c679+7dec8f19df/python/lsst/dax/apdb/cassandra/sessionFactory.py