private void StartRemoteImport()
{
var client = BrightstarService.GetClient(Store.Source.ConnectionString);
var importJob = client.StartImport(Store.Location, ImportFileName);
QueuedJobs.Add(new ImportJobViewModel(ImportFileName, importJob, false));
if (!_monitorStarted)
{
_dispatcher.BeginInvoke(DispatcherPriority.SystemIdle,
new TransactionViewModel.JobMonitorDelegate(CheckJobStatus));
}
}
private void LocalImportContinuation(MessageBoxResult dialogResult = MessageBoxResult.Yes)
{
try
{
if (dialogResult == MessageBoxResult.Yes)
{
var ext = MimeTypesHelper.GetTrueFileExtension(_importFileName);
bool isGZipped = ext.EndsWith(MimeTypesHelper.DefaultGZipExtension);
string lines;
var fileTypeDefinition =
MimeTypesHelper.GetDefinitionsByFileExtension(ext).FirstOrDefault(d => d.CanParseRdf);
var rdfReader = fileTypeDefinition == null ? null : fileTypeDefinition.GetRdfParser();
if (rdfReader == null || rdfReader is NTriplesParser || rdfReader is NQuadsParser)
{
// We can't determine the file type, or it is NQuads or NTriples
if (isGZipped)
{
using (var fileStream = new FileStream(_importFileName, FileMode.Open))
{
var gZipStream = new GZipStream(fileStream, CompressionMode.Decompress);
var reader = new StreamReader(gZipStream);
lines = reader.ReadToEnd();
}
}
else
{
lines = File.ReadAllText(_importFileName);
}
}
else
{
using (var textWriter = new StringWriter())
{
try
{
var nQuadsFormatter = new NQuadsFormatter();
var writeThroughHandler = new WriteThroughHandler(nQuadsFormatter, textWriter);
rdfReader.Load(writeThroughHandler, _importFileName);
lines = textWriter.ToString();
}
catch (Exception ex)
{
Messenger.Default.Send(new ShowDialogMessage(
Strings.ParseErrorTitle,
string.Format(Strings.ParseErrorDescription, _importFileName,
ex.Message),
MessageBoxImage.Error,
MessageBoxButton.OK),
"MainWindow");
return;
}
}
}
var client = BrightstarService.GetClient(Store.Source.ConnectionString);
var graphUri = !string.IsNullOrWhiteSpace(ImportGraphName)
? ImportGraphName
: Constants.DefaultGraphUri;
var transactionJob = client.ExecuteTransaction(Store.Location,
new UpdateTransactionData {
InsertData = lines, DefaultGraphUri = graphUri
},
waitForCompletion: false);
QueuedJobs.Add(new ImportJobViewModel(ImportFileName, transactionJob, true));
if (_monitorStarted)
{
return;
}
_dispatcher.BeginInvoke(DispatcherPriority.SystemIdle, new TransactionViewModel.JobMonitorDelegate(CheckJobStatus));
_monitorStarted = true;
}
}
catch (OutOfMemoryException)
{
Messenger.Default.Send(new ShowDialogMessage(Strings.ParseErrorTitle,
Strings.ImportFileTooLarge,
MessageBoxImage.Error,
MessageBoxButton.OK), "MainWindow");
}
}
