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Vaadin JPAContainer by Vaadin Ltd

*Note, this add-on is depracated. Version 4.0.0, compatible with Vaadin Framework 8.0.0, is only built to make it easier to upgrade to Vaadin 8 using compatibility packages. The new version only changed relevant imports into v7 compatibility package. Users are encouraged to move to more modern Vaadin 8 APIs.* Vaadin JPAContainer allows connecting Vaadin user interface components directly to the persistent model objects. It is an implementation of the container interface defined in the Vaadin core framework. You can use JPAContainer to display data in a table, tree, any other selection component, or edit the data in a form. JPAContainer uses 3rd party JPA 2.0 (JSR-317) standard supporting Object-Relational Mapping (ORM) libraries, such as EclipseLink or Hibernate, for storing and retrieving data from database. *Vaadin JPAContainer suits well for trivial listings of one Entity. In most cases JPA should though be used with Vaadin through a service layer and entities should be bound to components like any other Java objects, with for example BeanItemContainer. For lazy loading solutions with this kind of architecture, there are excellent community contributed add-ons like [Viritin](https://vaadin.com/addon/viritin) and [LazyQueryContainer](https://vaadin.com/addon/lazy-query-container), which are often used instead of JPAContainer by projects built here at Vaadin Ltd as well.* Vaadin JPAContainer 2.0 supports the most common features required by Java EE applications out of the box, such as lazy loading, advanced filtering, nested property names and caching. JPAContainer utility classes makes writing CRUD functionality to your application fast and easy. E.g. use automatically created selects or “master-detail views” for ManyToOne or OneToMany relations. In case you are still using JPA 1.0 implementation you should use older version of JPAContainer which can be downloaded by selecting 1.2.x version from Version drop-down list. Note, some new features of the add-on (like the FieldFactory) requires Vaadin 6.7.3 or later.

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