About JPA

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Manual
63

Storing JPA Entity Objects

setting the ObjectDB configuration or in a JPA portable way, by specifying the cascade-persist XML
Manual
63

JPA Lifecycle Events

Callback methods are user defined methods that are attached to entity lifecycle events and are invoked automatically by JPA when these events occur. Internal Callback Methods Internal callback methods are methods that are defined within an entity class. For example, the following entity class
JPA Doc
63

JPA Metamodel API Attributes

The following interfaces and enum types represent attributes (persistent fields and properties) in the JPA Metamodel API: See the Metamodel Attribute Interface Hierarchy section for more details and examples.
Manual
63

Advanced JPA Topics

This section discusses advanced JPA topics:
Tutorial
63

Step 2: Define a JPA Entity Class [2011-02-11]

To store objects in an ObjectDB database using JPA we need to define an entity class: Open the [New Java Class] dialog box, e.g. by right clicking the project node (in the [Package Explorer] window) and selecting New > Class. Enter tutorial as the package name - use exactly that case sensitive
Tutorial
63

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 Java Class] dialog box, e.g. by right clicking the project node (in the [Package Explorer] window) and selecting New > Class. Enter tutorial as the package name - use exactly that case sensitive
Manual
63

Running JPA Queries [2011-09-21]

collection after query execution (e.g. by results.get(0)). To eliminate this routine operation JPA
Manual
63

Running JPA Queries

collection after query execution (e.g. by results.get(0)). To eliminate this routine operation JPA
Manual
63

Working with JPA Entity Objects [2011-04-18]

Entity objects are in-memory instances of entity classes (persistable user defined classes), which can represent physical objects in the database. Managing an ObjectDB Object Database using JPA requires using entity objects for many operations, including storing, retrieving, updating and deleting
Manual
63

Working with JPA Entity Objects

Entity objects are in-memory instances of entity classes (persistable user defined classes), which can represent physical objects in the database. Managing an ObjectDB Object Database using JPA requires using entity objects for many operations, including storing, retrieving, updating and deleting