@javax.persistence.EmbeddedId

Extract of the annotation reference in the Hibernate Developer Guide by example

Extensive, easy-to-follow introduction to Hibernate 3 including complete working examples. Integration of Hibernate with other technologies like Spring, EJB3, Struts and JavaServer Faces (MyFaces) is explained.

It is available as PDF in English language.
A German paper book was published by the Galileo Verlag.

Get more information.

@javax.persistence.EmbeddedId

definiert die Klassen, welche den zusammengesetzten Prim�rschl�ssel enth�lt; Der Unterschied zu @IdClass ist, dass die Attribute nur in der Prim�rschl�sselklasse vorhanden sind.

@Entity

public class BoxTurtle implements Serializable {

@EmbeddedId

private BoxTurtleId id;