public TagIdNameMap()
{
IdToNameMap = new Dictionary <int, string>();
NameToIdMap = new Dictionary <string, Dictionary <int, int> >();
var mapFileName = String.Format("Stream_AllPipe_CustomerTagMap.dts.gz");
using (var fileStream = new FileStream(mapFileName, FileMode.Open, FileAccess.Read, FileShare.Read))
{
using (var zipStream = new GZipStream(fileStream, CompressionMode.Decompress))
{
using (var dtsReader = new DtsReader(zipStream))
{
var schema = DsvUtilities.GetDsvTable("StripeMapFiles__15_3.dsv", "CustomerTagMap_Stripe");
var columnMetadata = MapFileUtils.ValidateSchema(schema, dtsReader);
foreach (var line in dtsReader.ReadAllLines())
{
var record = new TagToCustomerRecord(columnMetadata, line);
if (!IdToNameMap.ContainsKey(record.TagId))
{
IdToNameMap.Add(record.TagId, record.TagName);
}
Dictionary <int, int> customerIdToTagId;
if (!NameToIdMap.TryGetValue(record.TagName, out customerIdToTagId))
{
customerIdToTagId = new Dictionary <int, int>();
customerIdToTagId.Add(record.CustomerId, record.TagId);
NameToIdMap.Add(record.TagName, customerIdToTagId);
}
else if (!customerIdToTagId.ContainsKey(record.CustomerId))
{
customerIdToTagId.Add(record.CustomerId, record.TagId);
}
}
}
}
}
}
public TagToCustomerRecord(IReadOnlyDictionary <string, int> columnMetadata, IList <object> row)
{
if (_tagIdOrdinal == -1)
{
_tagIdOrdinal = MapFileUtils.GetColumnOrdinal(columnMetadata, "TagId");
}
if (_customerIdOrdinal == -1)
{
_customerIdOrdinal = MapFileUtils.GetColumnOrdinal(columnMetadata, "CustomerId");
}
if (_tagNameOrdinal == -1)
{
_tagNameOrdinal = MapFileUtils.GetColumnOrdinal(columnMetadata, "TagName");
}
TagId = (int)row[_tagIdOrdinal];
CustomerId = (int)row[_customerIdOrdinal];
TagName = (string)row[_tagNameOrdinal];
}