private FileHelperAsyncEngine <T> SplitAndSortParts(string file, List <string> res)
{
int partNumber = 1;
var lines = new List <T>();
try {
long writtenBytes = 0;
long lastWrittenBytes = 0;
var readEngine = new FileHelperAsyncEngine <T>(Encoding);
readEngine.Progress += (sender, e) => writtenBytes = e.CurrentBytes;
using (readEngine.BeginReadFile(file, EngineBase.DefaultReadBufferSize * 2)) {
foreach (var item in readEngine)
{
lines.Add(item);
if ((writtenBytes - lastWrittenBytes) > BlockFileSizeInBytes)
{
WritePart(file, lines, partNumber, res);
partNumber++;
lastWrittenBytes = writtenBytes;
}
}
}
return(readEngine);
}
finally {
if (lines.Count > 0)
{
WritePart(file, lines, partNumber, res);
}
}
}
public AsyncEnumerator(FileHelperAsyncEngine <T> engine)
{
mEngine = engine;
}
public AsyncEnumerator(FileHelperAsyncEngine <X> engine)
#endif
{
mEngine = engine;
}
public AsyncEnumerator(FileHelperAsyncEngine engine)
/// <summary>
/// Read with asnc engine, creating the engine
/// </summary>
/// <typeparam name="T"></typeparam>
/// <returns></returns>
public T[] ReadWithAsyncEngine <T>() where T : class
{
var engine = new FileHelperAsyncEngine <T>();
return(ReadWithAsyncEngine(engine));
}