1. Diagram Interchange Proposal
Maged Elaasar, IBM

2. Proposed Diagram Interchange (DI)
Diagram Interchange (DI) (replaces current DI)
Provides an abstract metamodel that defines diagram interchange syntax
Domains extend DI using inheritance to define domain specific DI
Diagrams are interchanged as instances of the domain-specific DI
MOF M3
spec DI M2
spec
DSL
DSL DI
Model
Diagram M1
user
Abstract
Syntax
Diagram
Syntax
Is Instance of
Inherits
References

3. DI Metamodel - View Hierarchy
Connector is owned by the lowest common parent of the source and target view (constraint)
Connector’s source and target associations are uni-directional
Waypoints are ordered and non unique

4. DI Metamodel – Style Sheet
StyleRules are ordered
MasterSheets are many and ordered
StyleRule does not need explicit ‘type:Class’ association, since can be infered from ‘property.type’

5. UML Class Shape Example
Diagram
width x y
Node
height
ratio
Node
showTitle
collapsed
visible
ratio
Node
showTitle
collapsed
visible
<Diagram xmi:id="1">
<definitions mxi:type="dd:DiagramDefinition" href="uml.definition#//ClassDiagram"/>
<children mxi:id="2">
<definitions mxi:type="dd:NodeDefinition" href="uml.definition#//Class"/>
<element xmi:type="uml:Class" href="model.uml#//..."/>
<children xmi:id="3">
<definitions mxi:type="dd:NodeDefinition" href="uml.definition#//AttributeCompartment"/>
<styles key="collapsed" value="true"/>
<styles key="ratio" value=".25"/>
</children>
<children xmi:id="4">
<definitions mxi:type="dd:NodeDefinition" href="uml.definition#//OperationCompartment"/>
<styles key="showTitle" value="true"/>
<styles key="ratio" value=".75"/>
<sourceConnectors href="8"/>
<styles key="x" value="100"/>
<styles key="y" value="200"/>
<styles key="fillColor" value="0x00FF000000"/>
<children mxi:id="5">
<children xmi:id="6">
<children xmi:id="7">
<targetConnectors href="8"/>
<styles key="x" value="300"/>
<connectors mxi:id="8">
<definitions mxi:type="dd:ConnectorDefinition" href="uml.definition#//Generlization"/>
<element xmi:type="uml:Generalization" href="model.uml#//..."/>
<source xmi:type="di:Node" href="2"/>
<target xmi:type="di:Node" href="5"/>
<bendpoints x="50" y="10"/>
<bendpoints x="100" y="200"/>
<styles key="lineColor" value="0x0000FF0000"/>
</connectors>
</Diagram>

6. UML Association and Interface Realization Connector
Node
Node
offset
offset
Node
offset
Node
Node
offset
offset
Connector

7. UML DI Metamodel – View Hierarchy
Two subtypes of Compartment for UML : List Compartment and Diagram comparemtment
Diagram’s umlShape and umlConnector are derived unions subsetting child and connector, respectively
How do we make the Diagram.child collection ordered (needed for z-order)?

8. UML DI Metamodel – Common Views

9. UML DI Metamodel – Class Diagram

10. UML DI Metamodel – Class Diagram Shapes

11. UML DI Metamodel – Class Diagram Connectors

12. DI More Abstractions
Try to have a crack at it but it is not critical (not show stopper)
Could define them as concrete to allow creating adhoc diagrams
Define common properties as mixin types in separate DI packages

13. DI Extensibility Profiles
Allow subsetting, redefinition of base properties in stereotypes
Clarify what types other than stereotypes are allowed in profiles and what it means
What DD needs to do to get access to profiles (package merge?)

14. Proposed Diagram Graphics
Diagram Graphics (DG)
Provides an abstract metamodel that defines diagram graphics syntax
Provides a way to map the abstract syntax (DSL+DI) to the graphical syntax (DG)
Domains extend DG to create domain specific DG and its mapping from their DSL+DI DI
DG Mapping
DG Graphics
DSL
Model
(abstract syntax)
Controller
(mapping)
View
(concrete syntax)

15. Proposed Diagram Definition Architecture
Diagram Graphics (DG)
Provides an abstract metamodel that defines diagram graphics syntax and how it maps to the abstract syntax (DSL+DI)
Domains extend DG to create domain specific DG metamodel
MOF M3
spec DI DG M2
spec
DSL
DSL DI
DSL DG
Rendered
Graphics
Model
Diagram M1
user
Is Instance of
Abstract
Syntax
Diagram
Syntax
Diagram
Graphics
Inherits
References
Uses

16. Diagram Graphics (DG) – Declarative Graphics
Class Diagram Figure
width x y
Classifier Figure [*]
Node
Stereotype Label Figure [1]
height
Name Label Figure [1]
ratio
Node
showTitle
collapsed
visible
Package Label Figure [1]
Attribute Compartment Figure [1]
Title Label Figure [1]
ratio
Node
List Container Figure [1]
showTitle
collapsed
visible
Label Figure [*]
Operation Compartment Figure [1]
Title Label Figure [1]
List Container Figure [1]
Label Figure [*]

17. Diagram Graphics (DG) – Declarative Map
Model
(abstract syntax)
Controller
(map)
View
(concrete syntax)