Apple WebObjects 3.5 Manual do Utilizador descarregar pdf (Página 99)

Reﬁning Your Model

4. In the MovieRole entity, remove movieId and talentId as class properties.

5. In the Talent entity, remove

talentId as a class property.

Adding Relationships to Your Model

The Movies application uses two pairs of inverse relationships. The ﬁrst

pair deﬁnes the relationship between the Movie and MovieRole entities,

while the second pair deﬁnes the relationship between the MovieRole and

Talent entities. An Enterprise Objects Framework relationship is directed;

that is, a relationship has a source and a destination. Generally models

deﬁne a relationship for each direction.

1. Select the Movie entity.

The right frame of the Model Editor shows the Movie’s relationships

as well as its attributes.

Your model’s Movie entity might have a different name than the

movieRoles relationship shown above. That’s because the wizard created

Click an entity

in this frame to

select the

entity.

Click in an

attribute’s Class

Property column

to remove it as a

class property.

The selected entity’s

relationships are

displayed here.

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Apple WebObjects 3.5 Manual do Utilizador Página 99