UnitOfWork package (ska_db_oda.unitofwork)

class ska_db_oda.unitofwork.AbstractUnitOfWork

Provides the interface to store or retrieve a group of OSO Entities.

Commits or rollsback a series of database transactions as an atomic operation

abstract commit()

Commit the entities added to this Unit of Work to the database atomically.

Raises:

ValueError – if the validation of committed sbds or the metadata fails

Return type:

None

abstract rollback()

Initiate the rollback of this Unit of Work.

If no commit is carried out or an error is raised, the unit of work is rolled back to a safe state

Return type:

None

class ska_db_oda.unitofwork.PostgresUnitOfWork

A PostgreSQL implementation of the UoW.

Persists data in an instance of PostgreSQL specified in the initialisation config.

commit()

Implement the AbstractUnitOfWork method.

See commit() docstring for details

Return type:

None

rollback()

Implement the AbstractUnitOfWork method.

See rollback() docstring for details

Return type:

None