public virtual void SetReferenceTargetElement <TTarget>(ModelElementInstanceImpl referenceSourceParentElement, TTarget referenceTargetElement) where TTarget : IModelElementInstance
{
ModelInstanceImpl modelInstance = (ModelInstanceImpl)referenceSourceParentElement.ModelInstance;
string identifier = ReferenceTargetAttribute.GetValue <String>(referenceTargetElement);
IModelElementInstance existingElement = modelInstance.GetModelElementById(identifier);
if (existingElement == null || !existingElement.Equals(referenceTargetElement))
{
throw new ModelReferenceException("Cannot create reference to model element " + referenceTargetElement + ": element is not part of model. Please connect element to the model first.");
}
TSource referenceSourceElement = modelInstance.NewInstance <TSource>(ReferenceSourceElementType);
SetReferenceSource(referenceSourceParentElement, referenceSourceElement);
SetReferenceIdentifier(referenceSourceElement, identifier);
}
protected internal virtual void PerformAddOperation(ModelElementInstanceImpl referenceSourceParentElement, IModelElementInstance referenceTargetElement)
{
ModelInstanceImpl modelInstance = (ModelInstanceImpl)referenceSourceParentElement.ModelInstance;
string referenceTargetIdentifier = ReferenceTargetAttribute.GetValue <String>(referenceTargetElement);
IModelElementInstance existingElement = modelInstance.GetModelElementById(referenceTargetIdentifier);
if (existingElement == null || !existingElement.Equals(referenceTargetElement))
{
throw new ModelReferenceException("Cannot create reference to model element " + referenceTargetElement + ": element is not part of model. Please connect element to the model first.");
}
else
{
ICollection <TSource> referenceSourceElements = _referenceSourceCollection.Get <TSource>(referenceSourceParentElement);
TSource referenceSourceElement = modelInstance.NewInstance <TSource>(_referenceSourceType);
referenceSourceElements.Add(referenceSourceElement);
SetReferenceIdentifier(referenceSourceElement, referenceTargetIdentifier);
}
}