javax.jdo.annotations

Annotation Type Embedded

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

Annotation to define that the object is embedded into the table of the owning object. Corresponds to the xml element "embedded".

Since:

2.1

Version:

2.1

Optional Element Summary

Optional Elements

Modifier and Type	Optional Element and Description
Discriminator	discriminatorColumnName Discriminator for cases where the embedded object has inheritance.
Persistent[]	members Members for this embedding.
String	nullIndicatorColumn The column in the embedded object used to judge if the embedded object is null.
String	nullIndicatorValue The value in the null column to interpret the object as being null.
String	ownerMember The member in the embedded object that links back to the owning object where it has a bidirectional relationship.

Element Detail

ownerMember

public abstract String ownerMember

The member in the embedded object that links back to the owning object where it has a bidirectional relationship.

Returns:

the member that refers to the owner

Default:

""

nullIndicatorColumn

public abstract String nullIndicatorColumn

The column in the embedded object used to judge if the embedded object is null.

Returns:

the null indicator column

Default:

""

nullIndicatorValue

public abstract String nullIndicatorValue

The value in the null column to interpret the object as being null.

Returns:

the null indicator value

Default:

""

members

public abstract Persistent[] members

Members for this embedding.

Returns:

the members embedded in the field or property being annotated

Default:

{}

discriminatorColumnName

public abstract Discriminator discriminatorColumnName

Discriminator for cases where the embedded object has inheritance.

Returns:

the discriminator for inheritance determination

Default:

@javax.jdo.annotations.Discriminator