private static void VerifyMultiplicityCompatibility(RelationshipMultiplicity multiplicity, PropertyInfo propertyInfo)
{
var isCompatible = true;
switch (multiplicity)
{
case RelationshipMultiplicity.Many:
isCompatible = propertyInfo.PropertyType.IsCollection();
break;
case RelationshipMultiplicity.One:
case RelationshipMultiplicity.ZeroOrOne:
isCompatible = !propertyInfo.PropertyType.IsCollection();
break;
default:
throw new InvalidOperationException(Strings.LightweightNavigationPropertyConfiguration_InvalidMultiplicity(multiplicity));
}
if (!isCompatible)
{
throw new InvalidOperationException(
Strings.LightweightNavigationPropertyConfiguration_IncompatibleMultiplicity(
RelationshipMultiplicityConverter.MultiplicityToString(multiplicity),
propertyInfo.DeclaringType.Name + "." + propertyInfo.Name,
propertyInfo.PropertyType));
}
}
private void HandleMultiplicityAttribute(XmlReader reader)
{
RelationshipMultiplicity multiplicity;
if (!RelationshipMultiplicityConverter.TryParseMultiplicity(reader.Value, out multiplicity))
{
this.AddError(ErrorCode.InvalidMultiplicity, EdmSchemaErrorSeverity.Error, reader, (object)Strings.InvalidRelationshipEndMultiplicity((object)this.ParentElement.Name, (object)reader.Value));
}
this._multiplicity = new RelationshipMultiplicity?(multiplicity);
}
// <summary>
// Handle the Multiplicity attribute
// </summary>
// <param name="reader"> reader positioned at Type attribute </param>
private void HandleMultiplicityAttribute(XmlReader reader)
{
DebugCheck.NotNull(reader);
RelationshipMultiplicity multiplicity;
if (!RelationshipMultiplicityConverter.TryParseMultiplicity(reader.Value, out multiplicity))
{
AddError(
ErrorCode.InvalidMultiplicity, EdmSchemaErrorSeverity.Error, reader,
Strings.InvalidRelationshipEndMultiplicity(ParentElement.Name, reader.Value));
}
_multiplicity = multiplicity;
}
internal void WriteAssociationEndElementHeader(RelationshipEndMember associationEnd)
{
DebugCheck.NotNull(associationEnd);
_xmlWriter.WriteStartElement(XmlConstants.End);
_xmlWriter.WriteAttributeString(XmlConstants.Role, associationEnd.Name);
var typeName = associationEnd.GetEntityType().Name;
_xmlWriter.WriteAttributeString(
XmlConstants.TypeAttribute, GetQualifiedTypeName(XmlConstants.Self, typeName));
_xmlWriter.WriteAttributeString(
XmlConstants.Multiplicity, RelationshipMultiplicityConverter.MultiplicityToString(associationEnd.RelationshipMultiplicity));
}
