Create a gist now

Instantly share code, notes, and snippets.

anonymous /gist:2781949
Created May 24, 2012

What would you like to do?
// <Name>UI layer shouldn't use directly DB types</Name>
warnif count > 0
// UI layer is made of types in namespaces using a UI framework
let uiTypes = Application.Namespaces.UsingAny(
Assemblies.WithNameIn("PresentationFramework", "System.Windows",
"System.Windows.Forms", "System.Web")
).ChildTypes()
// You can easily customize this line to define what are DB types.
let dbTypes = ThirdParty.Assemblies.WithNameIn("System.Data", "EntityFramework",
"NHibernate").ChildTypes()
// Ideally even DataSet and associated, usage should be forbidden from UI layer:
// http://stackoverflow.com/questions/1708690/is-list-better-than-dataset-for-ui-layer-in-asp-net
.Except(Types.WithNameIn("DataSet", "DataTable", "DataRow"))
from uiType in uiTypes.UsingAny(dbTypes)
let dbTypesUsed = dbTypes.Intersect(uiType.TypesUsed)
select new { uiType, dbTypesUsed }
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment