private Dictionary <string, AttributeSubtreeStatistics> FetchStatistics(
FileDistributionCommand command)
{
var index = new Dictionary <string, AttributeSubtreeStatistics>(
StringComparer.CurrentCultureIgnoreCase);
foreach (var item in command.Execute())
{
if (!index.TryGetValue(item.Path, out var statistics))
{
statistics = new AttributeSubtreeStatistics();
index.Add(item.Path, statistics);
}
if (string.IsNullOrEmpty(item.Group))
{
statistics.AddSubset(Enumerable.Empty <string>(), item.Count);
}
else
{
statistics.AddSubset(item.Group.Split(','), item.Count);
}
}
return(index);
}
public IAttributeStatistics Create(IEnumerable <string> attributeNames)
{
using (var connection = _connectionFactory.Create())
using (var command = new FileDistributionCommand(connection, attributeNames))
{
return(new AttributeStatistics(FetchStatistics(command)));
}
}
