private static Dictionary <string, List <ColumnInfo> > MapFromNames(Schema schema, IEnumerable <KeyValuePair <ColumnRole, string> > roles, bool opt = false)
{
Contracts.AssertValue(schema);
Contracts.AssertValue(roles);
var map = new Dictionary <string, List <ColumnInfo> >();
foreach (var kvp in roles)
{
Contracts.AssertNonEmpty(kvp.Key.Value);
if (string.IsNullOrEmpty(kvp.Value))
{
continue;
}
ColumnInfo info;
if (!opt)
{
info = ColumnInfo.CreateFromName(schema, kvp.Value, kvp.Key.Value);
}
else if (!ColumnInfo.TryCreateFromName(schema, kvp.Value, out info))
{
continue;
}
Add(map, kvp.Key.Value, info);
}
return(map);
}
private static Dictionary <string, List <ColumnInfo> > MapFromNamesOpt(ISchema schema, IEnumerable <KeyValuePair <ColumnRole, string> > roles)
{
Contracts.AssertValue(schema, "schema");
Contracts.AssertValue(roles, "roles");
var map = new Dictionary <string, List <ColumnInfo> >();
foreach (var kvp in roles)
{
Contracts.CheckNonEmpty(kvp.Key.Value, nameof(roles), "Bad column role");
if (string.IsNullOrEmpty(kvp.Value))
{
continue;
}
ColumnInfo info;
if (!ColumnInfo.TryCreateFromName(schema, kvp.Value, out info))
{
continue;
}
Add(map, kvp.Key.Value, info);
}
return(map);
}