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CRUD Database Operations with JPA

. The TypedQuery interface, which was introduced in JPA 2, is a type safe subinterface of Query

BIRT/ODA ObjectDB Driver

and selecting New Data Source. Select ObjectDB Data Source from the list of available data source types

Defining a JPA Entity Class

, including which persistent types can be used for persistent fields, how to define and use a primary key

Collections in JPQL and Criteria Queries

enables as an extension to standard JPQL to use both operators (IN and MEMBER OF) with any type

Database Transaction Replayer

contains two types of files: Backup files - with names of the form <transaction-id>.odb Recording

Logical Operators in JPQL and Criteria API

> that represents many operator and function expressions whose type is boolean - such as comparison operators

Step 1: Create a Java Project

We start by creating a new Java project, using: File > New > Project... If you are using Eclipse IDE for Java EE Developers, you can see in the [New] menu a command for creating a [JPA Project]. We are not using that type of project in this tutorial but rather an ordinary Java Project. In the [New

JDO External Listeners

The following types can be used to implement external listener classes for JDO lifecycle events: Listener objects can be bound to one or more persistence capable classes by invoking the addInstanceLifecycleListner method either at the PersistenceManagerFactory level or the PersistenceManager level.

Miscellaneous JDO Annotations

This section contains miscellaneous JDO annotations and associated enum types:

JDO Annotations for Fields

The way a field of a persistable class is managed by JDO can be set by the following annotations and enum types:

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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