private bool ValidateMultiplicity(Association element, ModelRoot modelRoot, List <string> errorMessages, Store store, ref bool doForeignKeyFixup)
{
if (!element.AllCardinalitiesAreValid(out string errorMessage))
{
errorMessages.Add(errorMessage);
return(false);
}
if (!element.Source.IsDependentType && !element.Target.IsDependentType)
{
if (element.Is(Multiplicity.One, Multiplicity.One) || element.Is(Multiplicity.ZeroOne, Multiplicity.ZeroOne))
{
if (element.SourceRole != EndpointRole.NotSet)
{
element.SourceRole = EndpointRole.NotSet;
}
if (element.TargetRole != EndpointRole.NotSet)
{
element.TargetRole = EndpointRole.NotSet;
}
}
else
{
SetEndpointRoles(element);
}
}
// cascade delete behavior could now be illegal. Reset to default
element.SourceDeleteAction = DeleteAction.Default;
element.TargetDeleteAction = DeleteAction.Default;
if (element.Dependent == null)
{
element.FKPropertyName = null;
doForeignKeyFixup = true;
}
if ((store.ModelRoot().EntityFrameworkVersion == EFVersion.EF6 || store.ModelRoot().IsEFCore5Plus) &&
element.SourceMultiplicity != Multiplicity.ZeroMany &&
element.TargetMultiplicity != Multiplicity.ZeroMany)
{
element.FKPropertyName = null;
doForeignKeyFixup = true;
}
return(true);
}