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216

What is new in ObjectDB 2.0?

ObjectDB 2.0 supports many new features and improvements, including: Most of the features of the new JPA 2.0 and JDO 2.2 APIs. User defined IDs (primary key) and sequences. Support of unlimited index keys size. SQL like queries ("select from ... where ..."). Real non blocking multithreading in
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165

Create New Support Ticket

All about Create New Support Ticket in Java/JPA database - explanations, examples, references, links and related information.
Tutorial
56

Step 2: Define a JPA Entity Class

To store objects in an ObjectDB database using JPA we need to define an entity class: Open the [ New ... ) and selecting New > Class. Enter guest as the package name - use exactly that case sensitive package ... to create the new class. The new class should represent Guest objects in the database. Use copy
Tutorial
55

Step 2: Define a JPA Entity Class

To store objects in an ObjectDB database using JPA we need to define an entity class: Open the [ New ... ) and selecting New > Java Class... Enter Guest as the class name - use exactly that case sensitive class name ... to create the new class. Use copy and paste to replace the new source file content with the following
Manual
52

Working with JPA Entity Objects

: New, Managed, Removed and Detached. When an entity object is initially created its state is New.  In ... , the owning EntityManager stores the new entity object to the database. More details on storing objects
JDO Doc
51

InheritanceStrategy.NEW_TABLE

Enum Constant javax.jdo.annotations.InheritanceStrategy NEW_TABLE Since: JDO 2.1
JDO Doc
51

ObjectState.PERSISTENT_NEW

Enum Constant javax.jdo.ObjectState PERSISTENT_ NEW Since: JDO 1.0
JDO Doc
51

ObjectState.PERSISTENT_NEW_DELETED

Enum Constant javax.jdo.ObjectState PERSISTENT_ NEW_DELETED Since: JDO 1.0
Manual
23

Schema Update

- will create new, separate persistable classes with no instances. Therefore, you should backup ... abilities: new-name="com.example.new1" /> new-name="com.example.new2"> new-name="NewA" />
Issue
18

objectdb-2.6.9_06: Extended Persistence Context fails: 'Attempt to begin a new transaction when a transaction is active'

with extended Persistence Context? [EDIT: 2006-09-29 New improved version of test mini web app with test mode ... ._PersistenceException: Attempt to begin a new transaction when a transaction is active at com.sun.ejb ... ( Element owner, String name) { try { Project p = new Project(owner