/// <summary>Merges the provided indexes into this index.
/// <p>After this completes, the index is optimized. </p>
/// <p>The provided Monodoc.Lucene.Net.Index.IndexReaders are not closed.</p>
/// </summary>
public virtual void AddIndexes(Monodoc.Lucene.Net.Index.IndexReader[] readers)
{
lock (this)
{
Optimize(); // start with zero or 1 seg
System.String mergedName = NewSegmentName();
SegmentMerger merger = new SegmentMerger(directory, mergedName, false);
if (segmentInfos.Count == 1)
{
// add existing index, if any
merger.Add(new SegmentReader(segmentInfos.Info(0)));
}
for (int i = 0; i < readers.Length; i++)
{
// add new indexes
merger.Add(readers[i]);
}
int docCount = merger.Merge(); // merge 'em
segmentInfos.Clear(); // pop old infos & add new
segmentInfos.Add(new SegmentInfo(mergedName, docCount, directory));
lock (directory)
{
// in- & inter-process sync
new AnonymousClassWith1(this, directory.MakeLock("commit.lock"), COMMIT_LOCK_TIMEOUT).Run();
}
}
}
/// <summary>Pops segments off of segmentInfos stack down to minSegment, merges them,
/// and pushes the merged index onto the top of the segmentInfos stack.
/// </summary>
private void MergeSegments(int minSegment)
{
System.String mergedName = NewSegmentName();
if (infoStream != null)
{
infoStream.Write("merging segments");
}
SegmentMerger merger = new SegmentMerger(directory, mergedName, useCompoundFile);
System.Collections.ArrayList segmentsToDelete = System.Collections.ArrayList.Synchronized(new System.Collections.ArrayList(10));
for (int i = minSegment; i < segmentInfos.Count; i++)
{
SegmentInfo si = segmentInfos.Info(i);
if (infoStream != null)
{
infoStream.Write(" " + si.name + " (" + si.docCount + " docs)");
}
Monodoc.Lucene.Net.Index.IndexReader reader = new SegmentReader(si);
merger.Add(reader);
if ((reader.Directory() == this.directory) || (reader.Directory() == this.ramDirectory))
{
segmentsToDelete.Add(reader); // queue segment for deletion
}
}
int mergedDocCount = merger.Merge();
if (infoStream != null)
{
infoStream.WriteLine(" into " + mergedName + " (" + mergedDocCount + " docs)");
}
segmentInfos.RemoveRange(minSegment, segmentInfos.Count - minSegment); // pop old infos & add new
segmentInfos.Add(new SegmentInfo(mergedName, mergedDocCount, directory));
// close readers before we attempt to delete now-obsolete segments
merger.CloseReaders();
lock (directory)
{
// in- & inter-process sync
new AnonymousClassWith2(segmentsToDelete, this, directory.MakeLock(IndexWriter.COMMIT_LOCK_NAME), COMMIT_LOCK_TIMEOUT).Run();
}
}
/// <summary>Pops segments off of segmentInfos stack down to minSegment, merges them,
/// and pushes the merged index onto the top of the segmentInfos stack.
/// </summary>
private void MergeSegments(int minSegment)
{
System.String mergedName = NewSegmentName();
if (infoStream != null)
infoStream.Write("merging segments");
SegmentMerger merger = new SegmentMerger(directory, mergedName, useCompoundFile);
System.Collections.ArrayList segmentsToDelete = System.Collections.ArrayList.Synchronized(new System.Collections.ArrayList(10));
for (int i = minSegment; i < segmentInfos.Count; i++)
{
SegmentInfo si = segmentInfos.Info(i);
if (infoStream != null)
infoStream.Write(" " + si.name + " (" + si.docCount + " docs)");
Monodoc.Lucene.Net.Index.IndexReader reader = new SegmentReader(si);
merger.Add(reader);
if ((reader.Directory() == this.directory) || (reader.Directory() == this.ramDirectory))
segmentsToDelete.Add(reader); // queue segment for deletion
}
int mergedDocCount = merger.Merge();
if (infoStream != null)
{
infoStream.WriteLine(" into " + mergedName + " (" + mergedDocCount + " docs)");
}
segmentInfos.RemoveRange(minSegment, segmentInfos.Count - minSegment); // pop old infos & add new
segmentInfos.Add(new SegmentInfo(mergedName, mergedDocCount, directory));
// close readers before we attempt to delete now-obsolete segments
merger.CloseReaders();
lock (directory)
{
// in- & inter-process sync
new AnonymousClassWith2(segmentsToDelete, this, directory.MakeLock(IndexWriter.COMMIT_LOCK_NAME), COMMIT_LOCK_TIMEOUT).Run();
}
}
/// <summary>Merges the provided indexes into this index.
/// <p>After this completes, the index is optimized. </p>
/// <p>The provided Monodoc.Lucene.Net.Index.IndexReaders are not closed.</p>
/// </summary>
public virtual void AddIndexes(Monodoc.Lucene.Net.Index.IndexReader[] readers)
{
lock (this)
{
Optimize(); // start with zero or 1 seg
System.String mergedName = NewSegmentName();
SegmentMerger merger = new SegmentMerger(directory, mergedName, false);
if (segmentInfos.Count == 1)
// add existing index, if any
merger.Add(new SegmentReader(segmentInfos.Info(0)));
for (int i = 0; i < readers.Length; i++)
// add new indexes
merger.Add(readers[i]);
int docCount = merger.Merge(); // merge 'em
segmentInfos.Clear(); // pop old infos & add new
segmentInfos.Add(new SegmentInfo(mergedName, docCount, directory));
lock (directory)
{
// in- & inter-process sync
new AnonymousClassWith1(this, directory.MakeLock("commit.lock"), COMMIT_LOCK_TIMEOUT).Run();
}
}
}