public static DslModeling::ElementLink Connect(DslModeling::ModelElement source, DslModeling::ModelElement target)
{
if (source == null)
{
throw new global::System.ArgumentNullException("source");
}
if (target == null)
{
throw new global::System.ArgumentNullException("target");
}
if (CanAcceptSourceAndTarget(source, target))
{
if (source is global::AgileFx.AgileModeler.ModelClass)
{
if (target is global::AgileFx.AgileModeler.ModelClass)
{
global::AgileFx.AgileModeler.ModelClass sourceAccepted = (global::AgileFx.AgileModeler.ModelClass)source;
global::AgileFx.AgileModeler.ModelClass targetAccepted = (global::AgileFx.AgileModeler.ModelClass)target;
DslModeling::ElementLink result = new global::AgileFx.AgileModeler.Association(sourceAccepted, targetAccepted);
if (DslModeling::DomainClassInfo.HasNameProperty(result))
{
DslModeling::DomainClassInfo.SetUniqueName(result);
}
return(result);
}
}
}
global::System.Diagnostics.Debug.Fail("Having agreed that the connection can be accepted we should never fail to make one.");
throw new global::System.InvalidOperationException();
}
internal static global::System.Collections.IList GetElementsFromModelClassForNavigationPropertiesCompartment(DslModeling::ModelElement element)
{
global::AgileFx.AgileModeler.ModelClass root = (global::AgileFx.AgileModeler.ModelClass)element;
// Segments 0 and 1
DslModeling::LinkedElementCollection <global::AgileFx.AgileModeler.NavigationProperty> result = root.NavigationProperties;
return(result);
}
public static bool CanAcceptSourceAndTarget(DslModeling::ModelElement candidateSource, DslModeling::ModelElement candidateTarget)
{
// Accepts null, null; source, null; source, target but NOT null, target
if (candidateSource == null)
{
if (candidateTarget != null)
{
throw new global::System.ArgumentNullException("candidateSource");
}
else // Both null
{
return(false);
}
}
bool acceptSource = CanAcceptSource(candidateSource);
// If the source wasn't accepted then there's no point checking targets.
// If there is no target then the source controls the accept.
if (!acceptSource || candidateTarget == null)
{
return(acceptSource);
}
else // Check combinations
{
if (candidateSource is global::AgileFx.AgileModeler.ModelClass)
{
if (candidateTarget is global::AgileFx.AgileModeler.ModelClass)
{
global::AgileFx.AgileModeler.ModelClass sourceModelClass = (global::AgileFx.AgileModeler.ModelClass)candidateSource;
global::AgileFx.AgileModeler.ModelClass targetModelClass = (global::AgileFx.AgileModeler.ModelClass)candidateTarget;
if (targetModelClass == null || global::AgileFx.AgileModeler.Inheritance.GetLinkToBaseclass(targetModelClass) != null)
{
return(false);
}
if (targetModelClass == null || sourceModelClass == null || global::AgileFx.AgileModeler.Inheritance.GetLinks(sourceModelClass, targetModelClass).Count > 0)
{
return(false);
}
return(true);
}
}
}
return(false);
}