public IndexWriter(IIndex index, AnalyzerType analyzer, bool create, bool allowUnlimitedFieldLength)
{
if (index == null)
{
throw new ArgumentNullException("index", "index cannot be null");
}
if (index.IndexStructure == IndexType.None)
{
throw new ArgumentException("The specified index structure cannot be None", "index");
}
if (analyzer == AnalyzerType.None || analyzer == AnalyzerType.Unknown)
{
throw new ArgumentException("The specified analyzer cannot be None or Unknown", "analyzer");
}
this.analyzer = TypeConverter.GetAnalyzer(analyzer);
this.index = index;
DirectoryInfo writeDirectory = null;
bool hasIndexfiles = GetIndexWriteDirectory(out writeDirectory);
// you said append but there's no index files
if (!create && !hasIndexfiles)
{
create = true;
}
this.openDirectory = Lucene29.Net.Store.FSDirectory.Open(writeDirectory);
this.writer = new Lucene29.Net.Index.IndexWriter(this.openDirectory, this.analyzer, create, (allowUnlimitedFieldLength) ? Lucene29.Net.Index.IndexWriter.MaxFieldLength.UNLIMITED : Lucene29.Net.Index.IndexWriter.MaxFieldLength.LIMITED);
}
/// <summary>
/// Closes this index.
/// </summary>
public void Close()
{
// Flip that toggle switch
//if (!string.IsNullOrEmpty(this.toggleFile)) IndexMap.HitTheJackalSwitch(this.toggleFile);
if (this.writer != null)
{
this.writer.Close();
}
if (this.openDirectory != null)
{
this.openDirectory.Close();
}
this.writer = null;
this.openDirectory = null;
this.index.Refresh();
if (this.index.IndexStructure == IndexType.DoubleIndex)
{
((IDoubleIndex)this.index).FlipToggleSwitch();
}
else if (this.index.IndexStructure == IndexType.CyclicalIndex)
{
ICyclicalIndex ci = (ICyclicalIndex)this.index;
ci.CopyMirror();
ci.FlipToggleSwitch();
}
this.isDisposed = true;
LibraryAnalysis.Fire(new IndexInfo(this.index.IndexDirectory.Parent.FullName, this.index.IndexDirectory.Name, this.totalWrites, this.optimized, DateTime.Now));
}
