nhibernate – Page 4 – Tarik Billa

List vs Set vs Bag in NHibernate

December 27, 2022 by Tarik

NHibernate semantics: List: Ordered collection of entities, duplicate allowed. Use a .NET IList in code. The index column will need to be mapped in NHibernate. Set: Unordered collection of unique entities, duplicates not allowed. Use Iesi.Collection.ISet in code (NH prior to v4) or System.Collections.Generic.ISet (NH v4+). It is important to override GetHashCode and Equals to … Read more

What are the First and Second Level caches in (N)Hibernate?

October 4, 2022 by Tarik

1.1) First-level cache First-level cache always Associates with the Session object. Hibernate uses this cache by default. Here, it processes one transaction after another one, means wont process one transaction many times. Mainly it reduces the number of SQL queries it needs to generate within a given transaction. That is instead of updating after every … Read more