Refactor base indexers to provide a process_journal_objects method
It will be used in a future commit to run indexers directly from a journal client.
Migrated from D7893 (view on Phabricator)
Staging instance, all changes can be removed at any time
It will be used in a future commit to run indexers directly from a journal client.
Migrated from D7893 (view on Phabricator)