//Verifies that the Sets we got from visiting the tree( under AssociationType constructor) match the ones
//defined in CSDL
private void ValidateEntitySetsMappedForAssociationSetMapping(DbExpressionStructuralTypeEntitySetInfo setInfos)
{
AssociationSet associationSet = _setMapping.Set as AssociationSet;
int i = 0;
//While we should be able to find the EntitySets in all cases, since this is a user specified
//query view, it is better to be defensive since we might have missed some path up the tree
//while computing the sets
if (setInfos.SetInfos.All(it => ((it.Value != null) && (it.Value is DbExpressionSimpleTypeEntitySetInfo))) &&
setInfos.SetInfos.Count() == 2)
{
foreach (DbExpressionSimpleTypeEntitySetInfo setInfo in setInfos.SetInfos.Select(it => it.Value))
{
AssociationSetEnd setEnd = associationSet.AssociationSetEnds[i];
EntitySet declaredSet = setEnd.EntitySet;
if (!declaredSet.Equals(setInfo.EntitySet))
{
_errors.Add(new EdmSchemaError(System.Data.Entity.Strings.Mapping_EntitySetMismatchOnAssociationSetEnd_QueryView(
setInfo.EntitySet.Name, declaredSet.Name, setEnd.Name, _setMapping.Set.Name), (int)StorageMappingErrorCode.MappingUnsupportedInitializationQueryView,
EdmSchemaErrorSeverity.Error, _setMapping.EntityContainerMapping.SourceLocation, _setMapping.StartLineNumber,
_setMapping.StartLinePosition));
}
i++;
}
}
}
public override DbExpressionEntitySetInfo Visit(DbNewInstanceExpression expression)
{
Check.NotNull(expression, "expression");
var argumentSetInfos = VisitExpressionList(expression.Arguments);
var structuralType = (expression.ResultType.EdmType as StructuralType);
if (argumentSetInfos != null &&
structuralType != null)
{
var structuralTypeSetInfos = new DbExpressionStructuralTypeEntitySetInfo();
var i = 0;
foreach (var info in argumentSetInfos.entitySetInfos)
{
structuralTypeSetInfos.Add(structuralType.Members[i].Name, info);
i++;
}
//Since we already validated the query view, the only association type that
//can be constructed is the type for the set we are validating the mapping for.
if (expression.ResultType.EdmType.BuiltInTypeKind
== BuiltInTypeKind.AssociationType)
{
ValidateEntitySetsMappedForAssociationSetMapping(structuralTypeSetInfos);
}
return(structuralTypeSetInfos);
}
return(null);
}
public override DbExpressionEntitySetInfo Visit(DbPropertyExpression expression)
{
DbExpressionStructuralTypeEntitySetInfo setInfos = VisitExpression(expression.Instance) as DbExpressionStructuralTypeEntitySetInfo;
if (setInfos != null)
{
return(setInfos.GetEntitySetInfoForMember(expression.Property.Name));
}
return(null);
}
