/* //Static bits for singulton
* static FileWritingThread ThreadController; */
public FileWritingThread(IWindowWithProgress toUpdate)
{
ThreadPool.SetMaxThreads(16, 16);
moreToAdd = true;
toWrite = new List <ThreadWrittenGraph>();
windowToUpdate = toUpdate;
ThreadStart controlThreadStart = new ThreadStart(this.writeFilesAsNeeded);
controlThread = new Thread(controlThreadStart);
controlThread.Name = "File writing control thread";
controlThread.IsBackground = true;
}
public virtual IGraph ParseFile(string fName, ProvInfo prov, IFileController fileController, IGraph startingGraph, out List <Exception> Errors,
IWindowWithProgress toUpdate, string outputFormat)
{
IUriNode provAction = null;
if (prov != null)
{
provAction = addProvenance(ref startingGraph, prov.Aurthor, prov.AurthorIsUri);
}
ParseFileDetail(fName, ref startingGraph, provAction, fileController, out Errors, toUpdate, outputFormat);
return(startingGraph);
}
protected virtual void ParseFileDetail(string fName, ref IGraph targetGraph, IUriNode provAction, IFileController fileController, out List <Exception> Errors, IWindowWithProgress toUpdate, string outputFormat)
{
FileWritingThread writer = new FileWritingThread(toUpdate);
using (MemoryStream memStream = new MemoryStream(File.ReadAllBytes(fName))) //Do the processing in Memory for speedier access
using (StreamReader sr = new StreamReader(memStream))
{
if (!sr.EndOfStream)
{
toUpdate.DisplayMessage("Loading in to memory");
fileController.ProcessHeader(sr, ref targetGraph, provAction, fName);
}
toUpdate.DisplayMessage("Converting Items");
IEnumerable <IImportedItem> parsedElments = fileController.ConvertItems(sr, out Errors);
writer.Start();
long nElements = parsedElments.LongCount();
long elmentNumber = 0;
List <IImportedItem> chunk = new List <IImportedItem>();
foreach (IImportedItem element in parsedElments)
{
chunk.Add(element);
elmentNumber++;
if (elmentNumber % saveFreq == 0)
{
List <IImportedItem> copied = new List <IImportedItem>();
copied.AddRange(chunk);
chunk.Clear();
lock (fNumberLock)
{
fNumber++;
}
//Putting this bit in the critical section makes it way slower *and* doesn't solve the filenumber repeating problem
ThreadWrittenGraph toSave = new ThreadWrittenGraph(outputFormat, copied, fNumber);
writer.AddFileToWrite(toSave);
}
}
writer.Stop();
}
}
public virtual IGraph ParseFile(string fName, ProvInfo prov, IFileController fileController, out List <Exception> Errors, IWindowWithProgress toUpdate, string outputFormat)
{
IGraph targetGraph = new Graph();
targetGraph.BaseUri = UriFactory.Create(Properties.Settings.Default.StationGraphBase);
ontovis.Util.AddNamesSpaces(targetGraph);
return(ParseFile(fName, prov, fileController, targetGraph, out Errors, toUpdate, outputFormat));
}
