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6

ObjectDB 2.8 Developer's Guide

how to define JPA entity classes that can be persisted in ObjectDB. Shows how to use JPA to store
1

Step 3: Define a Spring DAO Component

: @PersistenceContext private EntityManager em; // Stores a new guest: @Transactional ... .getResultList(); } } The GuestDao Spring component class defines two methods: persist - for storing a new
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Step 2: Entity Class and Persistence Unit

To store objects in an ObjectDB database using JPA we need to define an entity class: Right click the project node (in the [Package Explorer] window), select New > Source Folder, enter src/main/java as Folder Name and click Finish. Open the [New Java Class] dialog box, e.g. by right clicking
1

Eclipse/JPA Java EE Tutorial

object and all the Guest entity objects are stored in an ObjectDB database. Required Software
1

Eclipse/JPA Web Application Tutorial

entity objects are stored in an ObjectDB database. Required Software For this tutorial you will need
1

Eclipse/JPA Spring MVC Web Tutorial

is represented by a Guest JPA entity object and all the Guest entity objects are stored in an ObjectDB
0

javax.jdo.spi.PersistenceCapable.ObjectIdFieldConsumer

: ObjectIdFieldManager This interface is used to store fields from the Object id instance. It is used by the method ... , boolean value) Store one field into the field manager. Store one field into the field manager ... fieldNumber, byte value) Store one field into the field manager. Store one field into the field
0

javax.jdo.spi.PersistenceCapable.ObjectIdFieldSupplier

will be stored in the proper field of the ObjectId. Parameters: fieldNumber - the field number of the key field. Returns: the value of the field to be stored into the ObjectId. Since: JDO 1.0 byte ... . This field will be stored in the proper field of the ObjectId. Parameters: fieldNumber - the field
0

javax.jdo.JDOHelper

from the same JDO implementation to locate a persistent instance with the same data store identity ... is not managed by the application or the data store, then the ObjectId returned is only valid ... propsFile) Returns a PersistenceManagerFactory configured based on the properties stored in the file
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ObjectDB 1.0 Manual

and transactions in JDO. Chapter 6 - Persistent Objects Shows how to store, retrieve, update

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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