Embedded ID mapping

Use an Embedded ID Mapping to specify the primary key of an embedded ID. These mappings may be used with a Embeddable entities.

1. In the JPA Structure view, select the field to map.

2. Right-click the field and then select Map As > Embedded Id. The JPA Details view (for attributes) displays the properties for the selected field.

3. Use this table to complete the remaining fields on the JPA Details view.

   Property	Description	Default
   Entity Mapping Hyperlink	Defines this mapping as a Embedded Id. This corresponds to the @EmbeddedId annotation.	Embedded Id

   
   

Eclipse adds the following annotations to the field:

@EmbeddedId

 

Mapping an entity

 

JPA Structure view
JPA Details view (for attributes)

 

Understanding OR mappings
Understanding EJB 3.0 Java Persistence API