private KeysRetriever BuildKeysRetriever(ColumnMappingCollection settings, Func <ColumnMapping, string> target)
{
var defColumns = new Collection <IColumnDefinition>();
foreach (var setting in settings)
{
var defColumn = setting.ToColumnDefinition(() => target(setting));
defColumns.Add(defColumn);
}
if (settings.Any(x => target(x).StartsWith("#")))
{
return(new KeysRetrieverByIndex(defColumns));
}
else
{
return(new KeysRetrieverByName(defColumns));
}
}
private KeysRetriever BuildKeysRetriever(ColumnMappingCollection settings, Func <ColumnMapping, IColumnIdentifier> target)
{
var defColumns = new Collection <IColumnDefinition>();
foreach (var setting in settings)
{
var defColumn = setting.ToColumnDefinition(() => target(setting));
defColumns.Add(defColumn);
}
if (settings.Any(x => target(x) is ColumnOrdinalIdentifier))
{
return(new KeysRetrieverByOrdinal(defColumns));
}
else
{
return(new KeysRetrieverByName(defColumns));
}
}