private static void GetOrAddRelationship(Model model, IModelEntity sourceEntity, ModelRelationshipType relationshipType, int repeat)
{
var targetEntities = model.Entities.Except(sourceEntity.ToEnumerable()).ToArray();
for (int i = 0; i < repeat; i++)
{
var relationship = model.GetOrAddRelationship(sourceEntity, targetEntities[i], relationshipType);
if (relationship == null)
{
throw new Exception("Relationship is null.");
}
}
}
