Thursday, 24 June 2021

Hibernate's @FetchProfile

I came across some hibernate annotations in the source code at work, to be more specific "@FetchProfile". I hadn't seen that one before, so I went onto the Internet.

In my case it was used for Batch jobs, in which all associations were always fetched, and needed to be changed to "EAGER", during the session.

	@FetchProfile(name = "STUFF", fetchOverrides = {
	@FetchProfile.FetchOverride(entity = Orders.class, association = "customer", mode = FetchMode.JOIN),
	})

	...
	Session session = sessionFactory.getCurrentSession();
	session.enableFetchProfile("STUFF");
	session.setHibernateFlushMode(FlushMode.MANUAL);