ByThorben JanssenHibernate Tips is a series of posts in which I describe a quick and easy solution for common Hibernate questions. If you have a question for a future Hibernate Tip, please post a comment below. Question: In my domain model, a City can be part of a Province or a Country but not of both…
ByThorben JanssenHibernate Tips is a series of posts in which I describe a quick and easy solution for common Hibernate questions. If you have a question for a future Hibernate Tip, please leave a comment below. Question: I have a legacy database that I don’t want to change. It stores a date and a timestamp in…
ByThorben JanssenA lot of applications use primary keys that are based on a sequence but use an additional prefix that contains semantic information. Here are some typical examples: A fixed String as a prefix followed by a sequence-based value of fixed or variable length, e.g., B_00001 or B_1 Year and month as a prefix followed by…
ByThorben JanssenHibernate Tips is a series of posts in which I describe a quick and easy solution for common Hibernate questions. If you have a question for a future Hibernate Tip, please leave a comment below. Question: I found this question on StackOverflow and thought it’s a great fit for the Hibernate Tips series: I want…
ByThorben JanssenJPA’s @Basic annotation supports a fetch attribute that you can use to define the FetchType of an entity attribute. That seems to be the same approach as you use to define the fetching behavior of an entity association. So, lazy loading of non-relational entity attributes should be easy, right? Well, unfortunately, it isn’t that easy….