public IMultiplicityChange GetMultiplicityChange(PSMElement psmElement)
{
if (psmElement is PSMAssociation)
{
AssociationMultiplicityChange find = this.OfType <AssociationMultiplicityChange>().FirstOrDefault(ec => ec.Association == psmElement);
return(find);
}
else
{
Debug.Assert(changesByTarget[psmElement].Count(c => c is IMultiplicityChange) <= 1);
return(changesByTarget[psmElement].OfType <IMultiplicityChange>().FirstOrDefault());
}
}
public bool MultiplicityChanged(PSMElement psmElement)
{
if (psmElement is PSMAssociation)
{
AssociationMultiplicityChange find = this.OfType <AssociationMultiplicityChange>().FirstOrDefault(ec => ec.Association == psmElement);
return(find != null);
}
else
{
return(changesByTarget.ContainsKey(psmElement) &&
changesByTarget[psmElement].Any(change =>
(change.Element == psmElement && change is IMultiplicityChange) ||
(change is AssociationMultiplicityChange && ((PSMAssociation)change.Element).Child == psmElement)));
}
}
public static IList <EvolutionChange> Detect(Version v1, Version v2, PSMAssociation association)
{
List <EvolutionChange> result = new List <EvolutionChange>();
PSMAssociation psmAssociationOldVersion = (PSMAssociation)association.GetInVersion(v1);
PSMAssociation psmAssociationNewVersion = (PSMAssociation)association.GetInVersion(v2);
Debug.Assert(psmAssociationNewVersion != null && psmAssociationOldVersion != null);
if ((psmAssociationOldVersion.Lower != psmAssociationNewVersion.Lower) ||
(psmAssociationOldVersion.Upper != psmAssociationNewVersion.Upper))
{
AssociationMultiplicityChange c = new AssociationMultiplicityChange(association)
{
OldVersion = v1, NewVersion = v2
};
result.Add(c);
}
return(result);
}
