Hello there ! I'm trying to create a query with the Criteria API from JPA 2.0, but I can't make it work. The problem is with the "between" conditional method. I read some documentation to know how I have to do it, but since I'm discovering JPA, I don't understand why it does not work. First, I can't see "creationDate" which should app...
Hey, I would like to use Android for Model-Driven-Software-Development. For this, I need to locate the Android Model in the SDK. I already searched a while for it, but were not able to find it. Has anyone an idea where it could be? Is it possible, that it is the AndroidManifest.xml-File in the folder android-sdk-\platforms\android-x\a...
In the spirit of type safety associated with the CriteriaQuery JPA 2.0 also has an API to support Metamodel representation of entities. Is anyone aware of a fully functional implementation of this API (to generate the Metamodel... as opposed to creating the metamodel classes manually)? It would be awesome if someone also knows the steps ...
In my Eclipse project I'm using a third-party annotation processor, Hibernate Metamodel Generator to be exact. The annotation processor works as expected and generates .java files as specified by the spec. These files are generated into the directory of the Eclipse project under a "gen" folder. In the project properties this is correctly...
I'm trying to use the JPA2 metadata to figure out the order to insert/delete rows from a database so constraints are not an issue (to be used later in Java code). This is part of a backup/restore approach using JPA. Here's my approach: Group tables by amount of relationships/constraints (Only one-to-many and one-to-one are considered)...
In Sun Online resources, they provide son example about the usage of the Criteria/Metamodel API, but as far as I understand Java, it seems to be impossible to work: CriteriaQuery<Pet> cq = cb.createQuery(Pet.class); Metamodel m = em.getMetamodel(); EntityType<Pet> Pet_ = m.entity(Pet.class); EntityType<Owner> Owner_ = m.entity(Owner.cla...
Hi, I have a CriteriaBuilder and am trying to create a predicate to restrict results in a CollectionAttribute. I would like to say something like get all entities in this collection where the entity's attribute A equals x. For example, I have lots of People entities. They have a collection of job titles (previous and current) and I'd lik...
how to create a query using an ATL transformation in accordance with the ATL metamodel (to understand a HOT)? thanks ...