/// <summary>This ctor used only by test code.
///
/// </summary>
/// <param name="dir">The Directory to merge the other segments into
/// </param>
/// <param name="name">The name of the new segment
/// </param>
public /*internal*/ SegmentMerger(Directory dir, System.String name)
{
InitBlock();
directory = dir;
segment = name;
checkAbort = new AnonymousClassCheckAbort(this, null, null);
}
internal SegmentMerger(IndexWriter writer, System.String name, MergePolicy.OneMerge merge)
{
InitBlock();
directory = writer.Directory;
segment = name;
if (merge != null)
{
checkAbort = new CheckAbort(merge, directory);
}
else
{
checkAbort = new AnonymousClassCheckAbort1(this, null, null);
}
termIndexInterval = writer.TermIndexInterval;
}
internal SegmentMerger(IndexWriter writer, System.String name, MergePolicy.OneMerge merge)
{
InitBlock();
directory = writer.GetDirectory();
segment = name;
if (merge != null)
{
checkAbort = new CheckAbort(merge, directory);
}
else
{
checkAbort = new AnonymousClassCheckAbort1(this, null, null);
}
termIndexInterval = writer.GetTermIndexInterval();
}
/// <summary>This ctor used only by test code.
///
/// </summary>
/// <param name="dir">The Directory to merge the other segments into
/// </param>
/// <param name="name">The name of the new segment
/// </param>
public /*internal*/ SegmentMerger(Directory dir, System.String name)
{
InitBlock();
directory = dir;
segment = name;
checkAbort = new AnonymousClassCheckAbort(this, null, null);
}
/// <summary>
/// NOTE: this method creates a compound file for all files returned by
/// info.files(). While, generally, this may include separate norms and
/// deletion files, this SegmentInfo must not reference such files when this
/// method is called, because they are not allowed within a compound file.
/// </summary>
public static ICollection<string> CreateCompoundFile(InfoStream infoStream, Directory directory, CheckAbort checkAbort, SegmentInfo info, IOContext context)
{
string fileName = Index.IndexFileNames.SegmentFileName(info.Name, "", Lucene.Net.Index.IndexFileNames.COMPOUND_FILE_EXTENSION);
if (infoStream.IsEnabled("IW"))
{
infoStream.Message("IW", "create compound file " + fileName);
}
Debug.Assert(Lucene3xSegmentInfoFormat.GetDocStoreOffset(info) == -1);
// Now merge all added files
ICollection<string> files = info.Files;
CompoundFileDirectory cfsDir = new CompoundFileDirectory(directory, fileName, context, true);
IOException prior = null;
try
{
foreach (string file in files)
{
directory.Copy(cfsDir, file, file, context);
checkAbort.Work(directory.FileLength(file));
}
}
catch (System.IO.IOException ex)
{
prior = ex;
}
finally
{
bool success = false;
try
{
IOUtils.CloseWhileHandlingException(prior, cfsDir);
success = true;
}
finally
{
if (!success)
{
try
{
directory.DeleteFile(fileName);
}
catch (Exception)
{
}
try
{
directory.DeleteFile(Lucene.Net.Index.IndexFileNames.SegmentFileName(info.Name, "", Lucene.Net.Index.IndexFileNames.COMPOUND_FILE_ENTRIES_EXTENSION));
}
catch (Exception)
{
}
}
}
}
// Replace all previous files with the CFS/CFE files:
HashSet<string> siFiles = new HashSet<string>();
siFiles.Add(fileName);
siFiles.Add(Lucene.Net.Index.IndexFileNames.SegmentFileName(info.Name, "", Lucene.Net.Index.IndexFileNames.COMPOUND_FILE_ENTRIES_EXTENSION));
info.Files = siFiles;
return files;
}
/// <summary>This ctor used only by test code.
///
/// </summary>
/// <param name="dir">The Directory to merge the other segments into
/// </param>
/// <param name="name">The name of the new segment
/// </param>
public /*internal*/ SegmentMerger(Directory dir, System.String name)
{
InitBlock();
directory = dir;
segment = name;
checkAbort = new CheckAbort(null, null, (d) => {/*Do nothing*/ });
}
internal SegmentMerger(IndexWriter writer, System.String name, MergePolicy.OneMerge merge)
{
InitBlock();
directory = writer.GetDirectory();
segment = name;
if (merge != null)
{
checkAbort = new CheckAbort(merge, directory);
}
else
{
checkAbort = new CheckAbort(null, null, (d) => {/*Do nothing*/ });
}
termIndexInterval = writer.GetTermIndexInterval();
}
internal SegmentMerger(IndexWriter writer, System.String name, MergePolicy.OneMerge merge)
{
InitBlock();
directory = writer.GetDirectory();
segment = name;
if (merge != null)
checkAbort = new CheckAbort(merge, directory);
termIndexInterval = writer.GetTermIndexInterval();
}
/// <summary>
/// Sole constructor. </summary>
internal MergeState(IList<AtomicReader> readers, SegmentInfo segmentInfo, InfoStream infoStream, CheckAbort checkAbort_)
{
this.Readers = readers;
this.SegmentInfo = segmentInfo;
this.InfoStream = infoStream;
this.checkAbort = checkAbort_;
}