def graph (app_type) :
"""Class/association graph describing MOM meta object model"""
doc_p = hasattr (MOM, "Document")
iht_p = hasattr (MOM, "Id_Entity_has_Tag")
result = MOM.Graph.Spec.Graph \
( app_type
, ET.MOM.Id_Entity
( Child.MOM.Object (offset = CD.N)
, Child.MOM.Link1
( Attr.left (guide_prio = 0.25)
, offset = CD.W
)
, Child.MOM._Link_n_
( Attr.left (guide_prio = 0.25)
, Attr.right (guide_prio = 0.75)
, Child.MOM.Link2
( offset = CD.E
)
, Child.MOM.Link3
( Attr.middle ()
, offset = CD.W
)
, guide_prio = 0.5
, offset = CD.S
)
,
)
, desc = _T ("Graph displaying MOM meta object model")
, title = _T ("MOM graph")
)
if doc_p :
result ["MOM.Link1"]._add \
( Child.MOM.Document
( offset = CD.N
)
)
if iht_p :
result ["MOM.Id_Entity"]._add \
( ET.MOM.Id_Entity_has_Tag
( IS_A.MOM.Link2
, Role.left ()
, Role.right
( IS_A.MOM.Object
, offset = CD.N
)
, offset = CD.E
)
)
return result
