About JPA

page

What is new in ObjectDB 2.0?

... including: Most of the features of the new JPA 2.0 and JDO 2.2 APIs. User defined IDs (primary key) and sequences. ...

 
manual

Retrieving JPA Entity Objects

Explains how to use JPA to retrieve entity objects from the database. The Java Persistence API (JPA) provides various ways to retrieve objects from the database. The retrieval ... javax.persistence.EntityManager JPA interface Interface used to interact with the persistence context. ... javax.persistence.EntityNotFoundException JPA exception Thrown by the persistence provider when an entity reference ...

 
api-jpa

javax.persistence.TypedQuery

Interface used to control the execution of typed queries.(Interface of JPA)

 
manual

Setting and Tuning of JPA Queries

Explains various JPA query settings - result range, flush and lock.... The  Query javax.persistence.Query JPA interface Interface used to control query execution. See JavaDoc ... TypedQuery javax.persistence.TypedQuery JPA interface Interface used to control the execution of typed queries. ...

 
issue

JPA Metamodel (JPA 2.0)

The JPA Metamodel API enables examining the classes, fields and properties of the persistent object model, similarly to the Java reflection API. The JPA Metamodel API has a major role in defining queries using the JPA Criteria API. JPA Feature Version: Priority: Normal Status: Fixed ... Type:  JPA Feature ... 2010-05-14 11:17 The JPA Metamodel JPA Metamodel API Reference (JavaDoc) of the JPA ...

 
api-jpa

JPA Annotations for Classes

Reference (JavaDoc) of JPA 2 class annotations, including @Entity, @Embeddable, @IdClass, @Cacheable, @EntityListeners, etc. JPA defines three types of persistable classes which are set by the following ... event listener policy (as explained in chapter 3 JPA Annotations for Classes Reference (JavaDoc) of JPA 2 class annotations, including @Entity, @Embeddable, @IdClass, @Cacheable, ...

 
api-jpa

javax.persistence.Entity

Specifies that the class is an entity.(Annotation of JPA)

 
manual

Running JPA Queries

Explains how to use JPA to run Java Persistence Query Language (JPQL) queries. The Query javax.persistence.Query JPA interface Interface used to control query execution. See JavaDoc ... TypedQuery javax.persistence.TypedQuery JPA interface Interface used to control the execution of typed queries. ...

 
api-jpa

JPA Queries

Reference (JavaDoc) of all the JPA query types, including Query, TypedQuery, CriteriaBuilder, CriteriaQuery, Tuple, Root, Expression, Order, etc. Queries are represented in JPA by the Query and TypedQuery interfaces: ... javax.persistence.TypedQuery The JPA Query API section (in chapter 4 of the ObjectDB manual) provides detailed ... TypedQuery javax.persistence.TypedQuery JPA interface Interface used to control the execution of typed queries. ...

 
tutorial

NetBeans/JPA Web Application Tutorial

Step by step tutorial that demonstrates how to build a simple database web application (with Servlet and JSP) in NetBeans using JPA. This is the NetBeans version of the  JPA Web App tutorial. It demonstrates how to create and run a ... are needed for Tomcat 7.0 ), ObjectDB and JPA. The demo web application manages a basic guestbook page. Every ... listed below the form: Persistence is managed by JPA. Every visitor that has signed the guestbook is represented by a Guest ...