private DataAccessContext GetContext(DbDataReader r)
{
//if it's not a valid context something has gone very wrong
DataAccessContext context;
if (!DataAccessContext.TryParse((string)r["Context"], out context))
{
throw new Exception("Invalid DataAccessContext " + r["Context"]);
}
return(context);
}
/// <summary>
/// Helper that returns 1-M results (where there is only one originating TableInfo, if there are more than 1 table info in your SQL query you will get key collisions)
/// </summary>
/// <param name="r"></param>
/// <returns></returns>
private Dictionary <DataAccessContext, int> GetLinksFromReader(DbDataReader r)
{
var toReturn = new Dictionary <DataAccessContext, int>();
//gets the first liscenced usage
while (r.Read())
{
//get the context
DataAccessContext context;
//if it's not a valid context something has gone very wrong
if (!DataAccessContext.TryParse((string)r["Context"], out context))
{
throw new Exception("Invalid DataAccessContext " + r["Context"]);
}
//there is only one credentials per context per table info so dont worry about key collisions they should be impossible
toReturn.Add(context, Convert.ToInt32(r["DataAccessCredentials_ID"]));
}
return(toReturn);
}
