internal static SortResults SortDelimitedByKeyDefCore(
string sourcefilePath,
SortDefinitions sortDefinitions,
Action<string[], string, string[]> setKeys,
Func<string[], string, bool> dataFilter = null,
string destinationFolder = null,
string delimiter = Constants.Delimiters.Comma,
bool hasHeader = true,
bool returnDuplicates = false,
Action<SortProgress> progress = null,
DataTransportation dataTransportation = null,
bool deleteDbConnPath = true,
bool writeOutSortFile = true,
int maxBatchSize = 250000)
{
ArgumentValidation.Validate(sourcefilePath, setKeys, delimiter, destinationFolder);
SortVars srtVars = new SortVars(sourcefilePath, destinationFolder);
SortResults srtResults = new SortResults(sourcefilePath, srtVars.DestFolder, srtVars.DbConnPath);
SortProgress srtProgress = new SortProgress();
try
{
srtResults.DeleteDuplicatesFile();
int lineCount = 1;
using (StreamReader reader = new StreamReader(sourcefilePath))
using (SqliteSortDefBulkInserter sortBulkInserter = new SqliteSortDefBulkInserter(srtVars.DbConnPath, sortDefinitions, maxBatchSize))
{
string line;
srtVars.Header = GetHeader(hasHeader, reader);
srtProgress.InitReading();
while ((line = reader.ReadLine()) != null)
{
srtResults.IncrementLinesRead();
ReportReadProgress(progress, srtProgress, srtResults.LinesRead);
FileParser.ParseDelimitedString(new StringReader(line), (fields, lNum) =>
{
if (dataFilter == null || dataFilter(fields, line))
{
string[] keyValues = new string[sortDefinitions.GetKeys().Count];
setKeys(fields, line, keyValues);
sortBulkInserter.Add(new SortKeyData { KeyValues = keyValues, Data = line + SortFileHelpers.EscapeByDelimiter(delimiter) });
lineCount++;
}
else
{
srtResults.IncrementFiltered();
}
}, delimiter);
}
sortBulkInserter.InsertAnyLeftOvers();
sortBulkInserter.AddUnUniqueIndex();
}
srtProgress.InitWriting();
if (writeOutSortFile)
{
srtResults.WriteOutSorted(srtVars.DbConnPath,
srtVars.Header,
sortDefinitions,
delimiter,
returnDuplicates: returnDuplicates,
dupesFilePath: srtResults.DuplicatesFilePath,
progress: (counter) => { srtProgress.Counter = counter; if (progress != null) { progress(srtProgress); } },
dataTransportation: dataTransportation,
deleteDb: deleteDbConnPath);
}
else
{
srtResults.Header = srtVars.Header;
}
srtResults.DeleteDuplicatesFileIfNoDuplicates();
}
catch (Exception)
{
CleanUp(srtVars, srtResults);
srtProgress = null;
throw;
}
return srtResults;
}