public virtual void Split(DirectoryInfo destDir, string[] segs)
{
destDir.Create();
FSDirectory destFSDir = FSDirectory.Open(destDir);
SegmentInfos destInfos = new SegmentInfos();
destInfos.Counter = Infos.Counter;
foreach (string n in segs)
{
SegmentCommitInfo infoPerCommit = GetInfo(n);
SegmentInfo info = infoPerCommit.Info;
// Same info just changing the dir:
SegmentInfo newInfo = new SegmentInfo(destFSDir, info.Version, info.Name, info.DocCount, info.UseCompoundFile, info.Codec, info.Diagnostics);
destInfos.Add(new SegmentCommitInfo(newInfo, infoPerCommit.DelCount, infoPerCommit.DelGen, infoPerCommit.FieldInfosGen));
// now copy files over
ICollection <string> files = infoPerCommit.GetFiles();
foreach (string srcName in files)
{
FileInfo srcFile = new FileInfo(Path.Combine(dir.FullName, srcName));
FileInfo destFile = new FileInfo(Path.Combine(destDir.FullName, srcName));
CopyFile(srcFile, destFile);
}
}
destInfos.Changed();
destInfos.Commit(destFSDir);
// Console.WriteLine("destDir:"+destDir.getAbsolutePath());
}
public virtual void Remove(string[] segs)
{
foreach (string n in segs)
{
int idx = GetIdx(n);
infos.Remove(idx);
}
infos.Changed();
infos.Commit(fsDir);
}
public virtual void DoTestUndeleteAll()
{
sis.Read(dir);
IndexReader reader = OpenReader();
Assert.IsTrue(reader != null);
Assert.AreEqual(2, reader.NumDocs());
reader.DeleteDocument(0);
Assert.AreEqual(1, reader.NumDocs());
reader.UndeleteAll();
Assert.AreEqual(2, reader.NumDocs());
// Ensure undeleteAll survives commit/close/reopen:
reader.Commit();
reader.Close();
if (reader is MultiReader)
{
// MultiReader does not "own" the directory so it does
// not write the changes to sis on commit:
sis.Commit(dir);
}
sis.Read(dir);
reader = OpenReader();
Assert.AreEqual(2, reader.NumDocs());
reader.DeleteDocument(0);
Assert.AreEqual(1, reader.NumDocs());
reader.Commit();
reader.Close();
if (reader is MultiReader)
{
// MultiReader does not "own" the directory so it does
// not write the changes to sis on commit:
sis.Commit(dir);
}
sis.Read(dir);
reader = OpenReader();
Assert.AreEqual(1, reader.NumDocs());
}
public virtual void Split(DirectoryInfo destDir, string[] segs)
{
destDir.Create();
FSDirectory destFSDir = FSDirectory.Open(destDir);
SegmentInfos destInfos = new SegmentInfos();
destInfos.Counter = infos.Counter;
foreach (string n in segs)
{
SegmentCommitInfo infoPerCommit = GetInfo(n);
SegmentInfo info = infoPerCommit.Info;
// Same info just changing the dir:
SegmentInfo newInfo = new SegmentInfo(destFSDir, info.Version, info.Name, info.DocCount, info.UseCompoundFile, info.Codec, info.Diagnostics);
destInfos.Add(new SegmentCommitInfo(newInfo, infoPerCommit.DelCount, infoPerCommit.DelGen, infoPerCommit.FieldInfosGen));
// now copy files over
ICollection<string> files = infoPerCommit.Files();
foreach (string srcName in files)
{
FileInfo srcFile = new FileInfo(Path.Combine(dir.FullName, srcName));
FileInfo destFile = new FileInfo(Path.Combine(destDir.FullName, srcName));
CopyFile(srcFile, destFile);
}
}
destInfos.Changed();
destInfos.Commit(destFSDir);
// Console.WriteLine("destDir:"+destDir.getAbsolutePath());
}
/// <summary> Commit changes resulting from delete, undeleteAll, or
/// setNorm operations
///
/// If an exception is hit, then either no changes or all
/// changes will have been committed to the index
/// (transactional semantics).
/// </summary>
/// <throws> IOException if there is a low-level IO error </throws>
protected internal override void DoCommit()
{
if (hasChanges)
{
if (segmentInfos != null)
{
// Default deleter (for backwards compatibility) is
// KeepOnlyLastCommitDeleter:
IndexFileDeleter deleter = new IndexFileDeleter(directory, deletionPolicy == null ? new KeepOnlyLastCommitDeletionPolicy() : deletionPolicy, segmentInfos, null, null);
// Checkpoint the state we are about to change, in
// case we have to roll back:
StartCommit();
bool success = false;
try
{
CommitChanges();
// sync all the files we just wrote
for (int i = 0; i < segmentInfos.Count; i++)
{
SegmentInfo info = segmentInfos.Info(i);
IList <string> files = info.Files();
for (int j = 0; j < files.Count; j++)
{
string fileName = files[j];
if (!synced.ContainsKey(fileName))
{
System.Diagnostics.Debug.Assert(directory.FileExists(fileName));
directory.Sync(fileName);
synced[fileName] = fileName;
}
}
}
segmentInfos.Commit(directory);
success = true;
}
finally
{
if (!success)
{
// Rollback changes that were made to
// SegmentInfos but failed to get [fully]
// committed. This way this reader instance
// remains consistent (matched to what's
// actually in the index):
RollbackCommit();
// Recompute deletable files & remove them (so
// partially written .del files, etc, are
// removed):
deleter.Refresh();
}
}
// Have the deleter remove any now unreferenced
// files due to this commit:
deleter.Checkpoint(segmentInfos, true);
if (writeLock != null)
{
writeLock.Release(); // release write lock
writeLock = null;
}
}
else
{
CommitChanges();
}
}
hasChanges = false;
}
