Select Single to
create a single self association and select Bidirectional to
create a bidirectional self association.
Note An example for single
self association is the association between a Manager and his direct
reports. An example for birectional self association is the association
between the Employees and Manager as well as Employees and
DirectReports.
Double click (click in the entity type shape and drag the mouse inside the
entity type. Then click again inside the entity type shape) in the entity type
shape to create a single/bidrectional self association.
The self association is created and a dotted arrow line appears.
Choose the Select
Icon in the Palette to come out of the association create mode.
Press escape from the keyboard to come out of the association create mode.
Note A Navigation Property
is automatically created for the new association. You can rename the
navigation property by double clicking on it. Every navigation propery
should have a unique name.
Select the association in the graphical editor.
The properties of the association are displayed in the Properties view.
Click in the Value column for the Multiplicity to edit the
multiplicity.
Select a multiplicity and the OData Model Element displays the changes.
The value for the Role of the association can also be edited in the
Properties view.