protected override void AnnotateCorpus(
Corpus corpus, System.Threading.CancellationToken token)
{
token.ThrowIfCancellationRequested();
Guid taskId = Guid.NewGuid();
DirectoryInfo dir = new DirectoryInfo(
AppDomain.CurrentDomain.BaseDirectory);
dir = dir.CreateSubdirectory("Tasks");
dir = dir.CreateSubdirectory(taskId.ToString());
string dataFile = dir.FullName + "\\Corpus.crfppdata";
string outputFile = dir.FullName + "\\Output.crfppdata";
try
{
AnnotationProgressChangedEventArgs ePrepared =
new AnnotationProgressChangedEventArgs(
1, 3, MessagePreparing);
OnAnnotationProgressChanged(ePrepared);
CRFPPHelper.EncodeCorpusToCRFPPData(corpus, dataFile);
token.ThrowIfCancellationRequested();
AnnotationProgressChangedEventArgs eAnnotating =
new AnnotationProgressChangedEventArgs(
2, 3, MessageAnnotating);
OnAnnotationProgressChanged(eAnnotating);
CRFPPHelper.Annotate(
Model.RootPath, dataFile, outputFile, 1, 0);
token.ThrowIfCancellationRequested();
AnnotationProgressChangedEventArgs eFinishing =
new AnnotationProgressChangedEventArgs(
3, 3, MessageFinishing);
OnAnnotationProgressChanged(eFinishing);
CRFPPHelper.DecodeCorpusFromCRFPPData(corpus, outputFile);
token.ThrowIfCancellationRequested();
}
catch
{
throw;
}
finally
{
File.Delete(dataFile);
File.Delete(outputFile);
try
{
dir.Delete();
}
catch { }
}
}
/// <summary>
/// 在异步标注操作进度更新时调用该方法以引发AnnotationProgressChanged事件。
/// </summary>
/// <param name="e">事件数据</param>
protected virtual void OnAnnotationProgressChanged(
AnnotationProgressChangedEventArgs e)
{
e.Raise(this, ref AnnotationProgressChanged);
}