Constraint Descriptor : constraint_sub_dialect (type: ERROR, kind: )

Constraint : constraint_sub_dialect

Constraint Name
constraint_sub_dialect (type: ERROR, kind: )
Constraint Class
SubscribeSpec
Package
subscribeReq
Description
if /wsnt:Subscribe/wsnt:Filter/wsnt:TopicExpression present, /wsnt:Subscribe/wsnt:Filter/wsnt:TopicExpression/@dialect SHALL be present (wsn-ws_base_notification-1.3-spec-os, 4.2)
OCL 
self.filter.oclIsUndefined() or 
self.filter.topicExpression.oclIsUndefined() or 
(not self.filter.topicExpression.dialect.oclIsUndefined())