Please note that the following code examples exclusively use Java’s validation API, so these examples are in no way limited to Hibernate Validator. Hibernate Validator is merely used as the implementation of the used interfaces, but other implementations can be used as well. Validating a single field with Hibernate Validator is easy. Suppose that you have… read more
If you have a column in your database which may only contain the value 0 or 1 (i.e. a bit value), you probably want to map it to the boolean static type in your entity, rather than an integer. This could be the case for smallint, tinyint(1), int(1), boolean columns, etc. I found two suggestions… read more
There are quite a few approaches to validating whether or not a given value already exists in a data store or not. In this article, I will show my solution to this problem by using Hibernate Validator in combination with Spring Framework. As you will see, the latter is solely used for injecting a dependency into… read more