org.apache.polygene.api.association

Interface Association<T>

All Superinterfaces:

AbstractAssociation

All Known Implementing Classes:

AssociationWrapper

public interface Association<T>
extends AbstractAssociation

Association to a single EntityComposite.

Method Summary

Modifier and Type	Method and Description
T	get() Get the associated entity.
EntityReference	reference()
void	set(T associated) Set the associated entity.

Method Detail

get

T get()

Get the associated entity.

Returns:

the associated entity

set

void set(T associated)
  throws IllegalArgumentException,
         IllegalStateException

Set the associated entity.

Parameters:

associated - the entity

Throws:

IllegalArgumentException - thrown if the entity is not a valid reference for this association

IllegalStateException - thrown if association is immutable

reference

EntityReference reference()

Returns:

the the reference of the associated entity.