com.ibm.websphere.projector.annotations
Annotation Type OneToMany

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

Specifies a multi-valued association to another entity that has one-to-many multiplicity.

Since:

WAS XD 6.1

Optional Element Summary

String	alias The alternative name for this attribute.
CascadeType[]	cascade Specifies which operations must be cascaded to the target of the association.
FetchType	fetch Suggestion to the projector on how to retrieve the data for this association.
String	mappedBy The field that owns the relationship.
Class	targetEntity The target class of the association.

alias

public abstract String alias

The alternative name for this attribute. The alias can be used to map one entity to another or override the default property name behavior in legacy objects. It can also be used to refer to this attribute in queries.

Returns:

the alias name.

Default:

""

targetEntity

public abstract Class targetEntity

The target class of the association. Required only if the target class type cannot be inferred by the type of field or property that stores the association.

Returns:

the target class or void.class if not specified.

Default:

void.class

mappedBy

public abstract String mappedBy

The field that owns the relationship. The mappedBy element is only specified on the inverse (non-owning) side of the association. Required only when the owner of the relationship cannot be inferred.

Returns:

the field that owns the relationship.

Default:

""

cascade

public abstract CascadeType[] cascade

Specifies which operations must be cascaded to the target of the association. By default, no operations are cascaded.

Returns:

the operations to cascade.

Default:

{}

fetch

public abstract FetchType fetch

Suggestion to the projector on how to retrieve the data for this association.

The EAGER strategy instructs the projector to eagerly fetch the data. The LAZY strategy is a hint to the projector to lazily fetch the data when it is first accessed.

Returns:

the FetchType hint.

Default:

com.ibm.websphere.projector.annotations.FetchType.LAZY