internal MappedAssociation(MappedDataMember mm, AssociationMapping assocMap)
{
this.thisMember = mm;
this.assocMap = assocMap;
this.Init();
this.InitOther();
//validate the number of ThisKey columns is the same as the number of OtherKey columns
if(this.thisKey.Count != this.otherKey.Count && this.thisKey.Count > 0 && this.otherKey.Count > 0)
{
throw Error.MismatchedThisKeyOtherKey(thisMember.Name, thisMember.DeclaringType.Name);
}
}
private static AssociationMapping ReadAssociationMapping(XmlReader reader) {
System.Diagnostics.Debug.Assert(reader.NodeType == XmlNodeType.Element);
if (!IsInNamespace(reader) || reader.LocalName != XmlMappingConstant.Association) {
throw Error.UnexpectedElement(XmlMappingConstant.Association, String.Format(System.Globalization.CultureInfo.InvariantCulture, "{0}{1}{2}", reader.Prefix, String.IsNullOrEmpty(reader.Prefix) ? "" : "/", reader.LocalName));
}
ValidateAttributes(reader, new[] {
XmlMappingConstant.Name,
XmlMappingConstant.IsForeignKey,
XmlMappingConstant.IsUnique,
XmlMappingConstant.Member,
XmlMappingConstant.OtherKey,
XmlMappingConstant.Storage,
XmlMappingConstant.ThisKey,
XmlMappingConstant.DeleteRule,
XmlMappingConstant.DeleteOnNull,
});
AssociationMapping am = new AssociationMapping();
am.DbName = OptionalAttribute(reader, XmlMappingConstant.Name);
am.IsForeignKey = OptionalBoolAttribute(reader, XmlMappingConstant.IsForeignKey, false);
am.IsUnique = OptionalBoolAttribute(reader, XmlMappingConstant.IsUnique, false);
am.MemberName = RequiredAttribute(reader, XmlMappingConstant.Member);
am.OtherKey = OptionalAttribute(reader, XmlMappingConstant.OtherKey);
am.StorageMemberName = OptionalAttribute(reader, XmlMappingConstant.Storage);
am.ThisKey = OptionalAttribute(reader, XmlMappingConstant.ThisKey);
am.DeleteRule = OptionalAttribute(reader, XmlMappingConstant.DeleteRule);
am.DeleteOnNull = OptionalBoolAttribute(reader, XmlMappingConstant.DeleteOnNull, false);
AssertEmptyElement(reader);
return am;
}
