private FunctionImportReturnTypeStructuralTypeColumn GetRename(StructuralType typeForRename)
{
FunctionImportReturnTypeStructuralTypeColumn ofTypecolumn = _columnListForType.FirstOrDefault(t => t.Type == typeForRename);
if (null != ofTypecolumn)
{
return(ofTypecolumn);
}
// if there are duplicate istypeof mapping defined rename for the same column, the last one wins
FunctionImportReturnTypeStructuralTypeColumn isOfTypeColumn = _columnListForIsTypeOfType.Where(t => t.Type == typeForRename).LastOrDefault();
if (null != isOfTypeColumn)
{
return(isOfTypeColumn);
}
else
{
// find out all the tyes that is isparent type of this lookup type
IEnumerable <FunctionImportReturnTypeStructuralTypeColumn> nodesInBaseHierachy =
_columnListForIsTypeOfType.Where(t => t.Type.IsAssignableFrom(typeForRename));
if (nodesInBaseHierachy.Count() == 0)
{
// non of its parent is renamed, so it will take the default one
return(new FunctionImportReturnTypeStructuralTypeColumn(this._defaultMemberName, typeForRename, false, null));
}
else
{
// we will guarantee that there will be some mapping for us on this column
// find out which one is lowest on the link
return(GetLowestParentInHierachy(nodesInBaseHierachy));
}
}
}
internal void AddRename(FunctionImportReturnTypeStructuralTypeColumn renamedColumn)
{
EntityUtil.CheckArgumentNull(renamedColumn, "renamedColumn");
if (!renamedColumn.IsTypeOf)
{
// add to collection if the mapping is for specific type
this._columnListForType.Add(renamedColumn);
}
else
{
_columnListForIsTypeOfType.Add(renamedColumn);
}
}
private FunctionImportReturnTypeStructuralTypeColumn GetLowestParentInHierachy(IEnumerable <FunctionImportReturnTypeStructuralTypeColumn> nodesInHierachy)
{
FunctionImportReturnTypeStructuralTypeColumn lowestParent = null;
foreach (var node in nodesInHierachy)
{
if (lowestParent == null)
{
lowestParent = node;
}
else if (lowestParent.Type.IsAssignableFrom(node.Type))
{
lowestParent = node;
}
}
Debug.Assert(null != lowestParent, "We should have the lowest parent");
return(lowestParent);
}
internal void AddRename(FunctionImportReturnTypeStructuralTypeColumn renamedColumn)
{
EntityUtil.CheckArgumentNull(renamedColumn, "renamedColumn");
if (!renamedColumn.IsTypeOf)
{
// add to collection if the mapping is for specific type
this._columnListForType.Add(renamedColumn);
}
else
{
_columnListForIsTypeOfType.Add(renamedColumn);
}
}
internal void AddRename(FunctionImportReturnTypeStructuralTypeColumn renamedColumn)
{
//Contract.Requires(renamedColumn != null);
if (!renamedColumn.IsTypeOf)
{
// add to collection if the mapping is for specific type
_columnListForType.Add(renamedColumn);
}
else
{
_columnListForIsTypeOfType.Add(renamedColumn);
}
}
