The JPA perspective of the SAP NetWeaver Developer Studio provides tools for creating and managing Java persistent entities.
You use the JPA perspective to:
Create entities
Edit entities
Set persistence properties of entities and their fields
Set mappings between entities and database tables
Set inheritance and relationship mappings
To open the JPA perspective, choose .
The JPA perspective contains the following views:
JPA Structure
You use the JPA Structure view to browse entities and their fields. The JPA Structure view uses meaningful icons to indicate entity and field mapping.
Outline
You use the Outline view to browse package and import declarations, entity classes and their fields and methods.
JPA Details
In the JPA Details view, you:
Map Java classes as entities
Change entities' fields
Set mappings of entities and fields to database tables and schemas
Edit persistence properties
Map inheritance
Map relationships
Generate primary keys
Additionally, the Developer Studio provides the following views that enable you to work with your database:
Data Source Explorer
In the Data Source Explorer view you manage database connections and database tables. You can create a connection, reconnect to the database, and interact with the database runtime.
SQL Results
In the SQL Results view, you monitor operations on database tables.
For more information about the JPA development tools, refer to the “Dali Java Persistence Tools User Guide” , provided by the Developer Studio help content.