/// <summary>
/// static boolean hasPendingDeletes(SegmentInfos infos) {
/// for (SegmentInfo info : infos) {
/// if (info.deletes.Any()) {
/// return true;
/// }
/// }
/// return false;
/// }
///
/// </summary>
internal virtual void Part2(IndexWriter writer, RangeMergePolicy fsmp)
{
for (int x = 20; x < 25; x++)
{
writer.AddDocument(DocHelper.CreateDocument(x, "5", 2));
//System.out.println("numRamDocs(" + x + ")" + writer.numRamDocs());
}
writer.Flush(false, false);
for (int x = 25; x < 30; x++)
{
writer.AddDocument(DocHelper.CreateDocument(x, "5", 2));
//System.out.println("numRamDocs(" + x + ")" + writer.numRamDocs());
}
writer.Flush(false, false);
//System.out.println("infos3:"+writer.SegmentInfos);
Term delterm = new Term("id", "8");
writer.DeleteDocuments(delterm);
//System.out.println("segdels3:" + writer.docWriter.deletesToString());
fsmp.doMerge = true;
fsmp.start = 1;
fsmp.length = 2;
writer.MaybeMerge();
// deletes for info1, the newly created segment from the
// merge should have no deletes because they were applied in
// the merge
//SegmentInfo info1 = writer.SegmentInfos[1];
//Assert.IsFalse(exists(info1, writer.docWriter.segmentDeletes));
//System.out.println("infos4:"+writer.SegmentInfos);
//System.out.println("segdels4:" + writer.docWriter.deletesToString());
}
public virtual void TestDeletes1()
{
//IndexWriter.debug2 = System.out;
Directory dir = new MockDirectoryWrapper(new J2N.Randomizer(Random.NextInt64()), new RAMDirectory());
IndexWriterConfig iwc = new IndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random));
iwc.SetMergeScheduler(new SerialMergeScheduler());
iwc.SetMaxBufferedDocs(5000);
iwc.SetRAMBufferSizeMB(100);
RangeMergePolicy fsmp = new RangeMergePolicy(this, false);
iwc.SetMergePolicy(fsmp);
IndexWriter writer = new IndexWriter(dir, iwc);
for (int x = 0; x < 5; x++)
{
writer.AddDocument(DocHelper.CreateDocument(x, "1", 2));
//System.out.println("numRamDocs(" + x + ")" + writer.numRamDocs());
}
//System.out.println("commit1");
writer.Commit();
Assert.AreEqual(1, writer.SegmentCount);
for (int x = 5; x < 10; x++)
{
writer.AddDocument(DocHelper.CreateDocument(x, "2", 2));
//System.out.println("numRamDocs(" + x + ")" + writer.numRamDocs());
}
//System.out.println("commit2");
writer.Commit();
Assert.AreEqual(2, writer.SegmentCount);
for (int x = 10; x < 15; x++)
{
writer.AddDocument(DocHelper.CreateDocument(x, "3", 2));
//System.out.println("numRamDocs(" + x + ")" + writer.numRamDocs());
}
writer.DeleteDocuments(new Term("id", "1"));
writer.DeleteDocuments(new Term("id", "11"));
// flushing without applying deletes means
// there will still be deletes in the segment infos
writer.Flush(false, false);
Assert.IsTrue(writer.bufferedUpdatesStream.Any());
// get reader flushes pending deletes
// so there should not be anymore
IndexReader r1 = writer.GetReader();
Assert.IsFalse(writer.bufferedUpdatesStream.Any());
r1.Dispose();
// delete id:2 from the first segment
// merge segments 0 and 1
// which should apply the delete id:2
writer.DeleteDocuments(new Term("id", "2"));
writer.Flush(false, false);
fsmp = (RangeMergePolicy)writer.Config.MergePolicy;
fsmp.doMerge = true;
fsmp.start = 0;
fsmp.length = 2;
writer.MaybeMerge();
Assert.AreEqual(2, writer.SegmentCount);
// id:2 shouldn't exist anymore because
// it's been applied in the merge and now it's gone
IndexReader r2 = writer.GetReader();
int[] id2docs = ToDocsArray(new Term("id", "2"), null, r2);
Assert.IsTrue(id2docs is null);
r2.Dispose();
/*
* /// // added docs are in the ram buffer
* /// for (int x = 15; x < 20; x++) {
* /// writer.AddDocument(TestIndexWriterReader.CreateDocument(x, "4", 2));
* /// System.out.println("numRamDocs(" + x + ")" + writer.numRamDocs());
* /// }
* /// Assert.IsTrue(writer.numRamDocs() > 0);
* /// // delete from the ram buffer
* /// writer.DeleteDocuments(new Term("id", Integer.toString(13)));
* ///
* /// Term id3 = new Term("id", Integer.toString(3));
* ///
* /// // delete from the 1st segment
* /// writer.DeleteDocuments(id3);
* ///
* /// Assert.IsTrue(writer.numRamDocs() > 0);
* ///
* /// //System.out
* /// // .println("segdels1:" + writer.docWriter.deletesToString());
* ///
* /// //Assert.IsTrue(writer.docWriter.segmentDeletes.Size() > 0);
* ///
* /// // we cause a merge to happen
* /// fsmp.doMerge = true;
* /// fsmp.start = 0;
* /// fsmp.length = 2;
* /// System.out.println("maybeMerge "+writer.SegmentInfos);
* ///
* /// SegmentInfo info0 = writer.SegmentInfos[0];
* /// SegmentInfo info1 = writer.SegmentInfos[1];
* ///
* /// writer.MaybeMerge();
* /// System.out.println("maybeMerge after "+writer.SegmentInfos);
* /// // there should be docs in RAM
* /// Assert.IsTrue(writer.numRamDocs() > 0);
* ///
* /// // assert we've merged the 1 and 2 segments
* /// // and still have a segment leftover == 2
* /// Assert.AreEqual(2, writer.SegmentInfos.Size());
* /// Assert.IsFalse(segThere(info0, writer.SegmentInfos));
* /// Assert.IsFalse(segThere(info1, writer.SegmentInfos));
* ///
* /// //System.out.println("segdels2:" + writer.docWriter.deletesToString());
* ///
* /// //Assert.IsTrue(writer.docWriter.segmentDeletes.Size() > 0);
* ///
* /// IndexReader r = writer.GetReader();
* /// IndexReader r1 = r.getSequentialSubReaders()[0];
* /// printDelDocs(r1.GetLiveDocs());
* /// int[] docs = toDocsArray(id3, null, r);
* /// System.out.println("id3 docs:"+Arrays.toString(docs));
* /// // there shouldn't be any docs for id:3
* /// Assert.IsTrue(docs is null);
* /// r.Dispose();
* ///
* /// part2(writer, fsmp);
* ///
*/
// System.out.println("segdels2:"+writer.docWriter.segmentDeletes.toString());
//System.out.println("close");
writer.Dispose();
dir.Dispose();
}
/// <summary>
/// static boolean hasPendingDeletes(SegmentInfos infos) {
/// for (SegmentInfo info : infos) {
/// if (info.deletes.Any()) {
/// return true;
/// }
/// }
/// return false;
/// }
///
/// </summary>
internal virtual void Part2(IndexWriter writer, RangeMergePolicy fsmp)
{
for (int x = 20; x < 25; x++)
{
writer.AddDocument(DocHelper.CreateDocument(x, "5", 2));
//System.out.println("numRamDocs(" + x + ")" + writer.numRamDocs());
}
writer.Flush(false, false);
for (int x = 25; x < 30; x++)
{
writer.AddDocument(DocHelper.CreateDocument(x, "5", 2));
//System.out.println("numRamDocs(" + x + ")" + writer.numRamDocs());
}
writer.Flush(false, false);
//System.out.println("infos3:"+writer.SegmentInfos);
Term delterm = new Term("id", "8");
writer.DeleteDocuments(delterm);
//System.out.println("segdels3:" + writer.docWriter.deletesToString());
fsmp.DoMerge = true;
fsmp.Start = 1;
fsmp.Length = 2;
writer.MaybeMerge();
// deletes for info1, the newly created segment from the
// merge should have no deletes because they were applied in
// the merge
//SegmentInfo info1 = writer.SegmentInfos.Info(1);
//Assert.IsFalse(exists(info1, writer.docWriter.segmentDeletes));
//System.out.println("infos4:"+writer.SegmentInfos);
//System.out.println("segdels4:" + writer.docWriter.deletesToString());
}
public virtual void TestDeletes1()
{
//IndexWriter.debug2 = System.out;
Directory dir = new MockDirectoryWrapper(new Random(Random().Next()), new RAMDirectory());
IndexWriterConfig iwc = new IndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random()));
iwc.SetMergeScheduler(new SerialMergeScheduler());
iwc.SetMaxBufferedDocs(5000);
iwc.SetRAMBufferSizeMB(100);
RangeMergePolicy fsmp = new RangeMergePolicy(this, false);
iwc.SetMergePolicy(fsmp);
IndexWriter writer = new IndexWriter(dir, iwc);
for (int x = 0; x < 5; x++)
{
writer.AddDocument(DocHelper.CreateDocument(x, "1", 2));
//System.out.println("numRamDocs(" + x + ")" + writer.numRamDocs());
}
//System.out.println("commit1");
writer.Commit();
Assert.AreEqual(1, writer.SegmentCount);
for (int x = 5; x < 10; x++)
{
writer.AddDocument(DocHelper.CreateDocument(x, "2", 2));
//System.out.println("numRamDocs(" + x + ")" + writer.numRamDocs());
}
//System.out.println("commit2");
writer.Commit();
Assert.AreEqual(2, writer.SegmentCount);
for (int x = 10; x < 15; x++)
{
writer.AddDocument(DocHelper.CreateDocument(x, "3", 2));
//System.out.println("numRamDocs(" + x + ")" + writer.numRamDocs());
}
writer.DeleteDocuments(new Term("id", "1"));
writer.DeleteDocuments(new Term("id", "11"));
// flushing without applying deletes means
// there will still be deletes in the segment infos
writer.Flush(false, false);
Assert.IsTrue(writer.BufferedUpdatesStreamAny);
// get reader flushes pending deletes
// so there should not be anymore
IndexReader r1 = writer.Reader;
Assert.IsFalse(writer.BufferedUpdatesStreamAny);
r1.Dispose();
// delete id:2 from the first segment
// merge segments 0 and 1
// which should apply the delete id:2
writer.DeleteDocuments(new Term("id", "2"));
writer.Flush(false, false);
fsmp = (RangeMergePolicy)writer.Config.MergePolicy;
fsmp.DoMerge = true;
fsmp.Start = 0;
fsmp.Length = 2;
writer.MaybeMerge();
Assert.AreEqual(2, writer.SegmentCount);
// id:2 shouldn't exist anymore because
// it's been applied in the merge and now it's gone
IndexReader r2 = writer.Reader;
int[] id2docs = ToDocsArray(new Term("id", "2"), null, r2);
Assert.IsTrue(id2docs == null);
r2.Dispose();
/*
/// // added docs are in the ram buffer
/// for (int x = 15; x < 20; x++) {
/// writer.AddDocument(TestIndexWriterReader.CreateDocument(x, "4", 2));
/// System.out.println("numRamDocs(" + x + ")" + writer.numRamDocs());
/// }
/// Assert.IsTrue(writer.numRamDocs() > 0);
/// // delete from the ram buffer
/// writer.DeleteDocuments(new Term("id", Integer.toString(13)));
///
/// Term id3 = new Term("id", Integer.toString(3));
///
/// // delete from the 1st segment
/// writer.DeleteDocuments(id3);
///
/// Assert.IsTrue(writer.numRamDocs() > 0);
///
/// //System.out
/// // .println("segdels1:" + writer.docWriter.deletesToString());
///
/// //Assert.IsTrue(writer.docWriter.segmentDeletes.Size() > 0);
///
/// // we cause a merge to happen
/// fsmp.doMerge = true;
/// fsmp.start = 0;
/// fsmp.Length = 2;
/// System.out.println("maybeMerge "+writer.SegmentInfos);
///
/// SegmentInfo info0 = writer.SegmentInfos.Info(0);
/// SegmentInfo info1 = writer.SegmentInfos.Info(1);
///
/// writer.MaybeMerge();
/// System.out.println("maybeMerge after "+writer.SegmentInfos);
/// // there should be docs in RAM
/// Assert.IsTrue(writer.numRamDocs() > 0);
///
/// // assert we've merged the 1 and 2 segments
/// // and still have a segment leftover == 2
/// Assert.AreEqual(2, writer.SegmentInfos.Size());
/// Assert.IsFalse(segThere(info0, writer.SegmentInfos));
/// Assert.IsFalse(segThere(info1, writer.SegmentInfos));
///
/// //System.out.println("segdels2:" + writer.docWriter.deletesToString());
///
/// //Assert.IsTrue(writer.docWriter.segmentDeletes.Size() > 0);
///
/// IndexReader r = writer.GetReader();
/// IndexReader r1 = r.getSequentialSubReaders()[0];
/// printDelDocs(r1.GetLiveDocs());
/// int[] docs = toDocsArray(id3, null, r);
/// System.out.println("id3 docs:"+Arrays.toString(docs));
/// // there shouldn't be any docs for id:3
/// Assert.IsTrue(docs == null);
/// r.Dispose();
///
/// part2(writer, fsmp);
///
*/
// System.out.println("segdels2:"+writer.docWriter.segmentDeletes.toString());
//System.out.println("close");
writer.Dispose();
dir.Dispose();
}
public virtual IndexWriter GetIndexWriter( string indexName )
{
IndexWriter writer;
if ( !indexWriters.TryGetValue( indexName, out writer ) )
{
var index = GetIndex( indexName );
var analyzer = GetIndexingAnalyzer( indexName );
writer = new IndexWriter( index, analyzer, true, IndexWriter.MaxFieldLength.UNLIMITED );
writer.SetRAMBufferSizeMB( configuration.MemoryBufferLimit );
writer.SetWriteLockTimeout( configuration.WriterLockTimeout );
writer.MaybeMerge();
indexWriters.TryAdd( indexName, writer );
}
return writer;
}
