internal override bool ParseSingleElement(ICollection <XName> unprocessedElements, XElement elem)
{
if (elem.Name.LocalName == AssociationEnd.ElementName)
{
var assocEnd = new AssociationEnd(this, elem);
_ends.Add(assocEnd);
assocEnd.Parse(unprocessedElements);
}
else if (elem.Name.LocalName == ReferentialConstraint.ElementName)
{
if (_referentialConstraint != null)
{
var msg = String.Format(
CultureInfo.CurrentCulture, Resources.TOO_MANY_REFERENTIAL_CONSTRAINTS_IN_ASSOCIATION, LocalName.Value);
Artifact.AddParseErrorForObject(this, msg, ErrorCodes.TOO_MANY_REFERENTIAL_CONSTRAINTS_IN_ASSOCIATION);
}
else
{
_referentialConstraint = new ReferentialConstraint(this, elem);
_referentialConstraint.Parse(unprocessedElements);
}
}
else
{
return(base.ParseSingleElement(unprocessedElements, elem));
}
return(true);
}
internal NavigationProperty FindNavigationPropertyForEnd(AssociationEnd end)
{
foreach (var np in _navigationProperties)
{
if (np.FromRole.Target == end)
{
return(np);
}
}
return(null);
}
/// <summary>
/// Gets the AssociationEnd that is not pointing to the given EntityType. This method should not be
/// called for self-associations.
/// </summary>
/// <param name="oneEnd"></param>
/// <returns></returns>
internal AssociationEnd GetOtherEnd(EntityType entityType)
{
Debug.Assert(
!IsSelfAssociation,
"GetOtherEnd() will not work correctly for self associations as both ends point to the same entity type");
AssociationEnd otherEnd = null;
if (End1.Type.Target == entityType)
{
otherEnd = End2;
}
else if (End2.Type.Target == entityType)
{
otherEnd = End1;
}
return(otherEnd);
}
internal AssociationEnd GetOtherEnd(AssociationEnd oneEnd)
{
return(End1 == oneEnd ? End2 : End1);
}
internal void AddAssociationEnd(AssociationEnd end)
{
_ends.Add(end);
}