@Target(value={METHOD,FIELD})
 @Retention(value=RUNTIME)
public @interface ElementCollection

 Example:
 @Entity public class Person {
 @Id protected String ssn;
 protected String name;
 ...
 @ElementCollection 
 protected Set<String> nickNames = new HashSet();
 ...
 } 
 

Since:

Java Persistence 2.0

• Optional Element Summary

  Optional Elements

  Modifier and Type	Optional Element and Description
  FetchType	fetch (Optional) Whether the collection should be lazily loaded or must be eagerly fetched.
  Class	targetClass (Optional) The basic or embeddable class that is the element type of the collection.

• Element Detail

  • targetClass

    public abstract Class targetClass

    (Optional) The basic or embeddable class that is the element type of the collection. This element is optional only if the collection field or property is defined using Java generics, and must be specified otherwise. It defaults to the paramterized type of the collection when defined using generics.

    Default:

    void.class

• • fetch

    public abstract FetchType fetch

    (Optional) Whether the collection should be lazily loaded or must be eagerly fetched. The EAGER strategy is a requirement on the persistence provider runtime that the collection elements must be eagerly fetched. The LAZY strategy is a hint to the persistence provider runtime.

    Default:

    javax.persistence.FetchType.LAZY