public Clone ( bool openReadOnly ) : |
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openReadOnly | bool | |
return |
public virtual void TestCloneWithSetNorm() { Directory dir1 = new MockRAMDirectory(); TestIndexReaderReopen.CreateIndex(dir1, false); IndexReader orig = IndexReader.Open(dir1, false); orig.SetNorm(1, "field1", 17.0f); byte encoded = Similarity.EncodeNorm(17.0f); Assert.AreEqual(encoded, orig.Norms("field1")[1]); // the cloned segmentreader should have 2 references, 1 to itself, and 1 to // the original segmentreader IndexReader clonedReader = (IndexReader)orig.Clone(); orig.Close(); clonedReader.Close(); IndexReader r = IndexReader.Open(dir1, false); Assert.AreEqual(encoded, r.Norms("field1")[1]); r.Close(); dir1.Close(); }
public virtual void TestFSDirectoryClone() { System.String tempDir = System.IO.Path.GetTempPath(); if (tempDir == null) { throw new System.IO.IOException("java.io.tmpdir undefined, cannot run test"); } System.IO.FileInfo indexDir2 = new System.IO.FileInfo(System.IO.Path.Combine(tempDir, "FSDirIndexReaderClone")); Directory dir1 = FSDirectory.GetDirectory(indexDir2); TestIndexReaderReopen.CreateIndex(dir1, false); IndexReader reader = IndexReader.Open(indexDir2); IndexReader readOnlyReader = (IndexReader)reader.Clone(); reader.Close(); readOnlyReader.Close(); // Make sure we didn't pick up too many incRef's along // the way -- this close should be the final close: dir1.Close(); try { dir1.ListAll(); Assert.Fail("did not hit AlreadyClosedException"); } catch (AlreadyClosedException ace) { // expected } }
/// <summary> 1. Get a norm from the original reader 2. Clone the original reader 3. /// Delete a document and set the norm of the cloned reader 4. Verify the norms /// are not the same on each reader 5. Verify the doc deleted is only in the /// cloned reader 6. Try to delete a document in the original reader, an /// exception should be thrown /// /// </summary> /// <param name="r1">IndexReader to perform tests on /// </param> /// <throws> Exception </throws> private void PerformDefaultTests(IndexReader r1) { float norm1 = Similarity.DecodeNorm(r1.Norms("field1")[4]); IndexReader pr1Clone = (IndexReader)r1.Clone(); pr1Clone.DeleteDocument(10); pr1Clone.SetNorm(4, "field1", 0.5f); Assert.IsTrue(Similarity.DecodeNorm(r1.Norms("field1")[4]) == norm1); Assert.IsTrue(Similarity.DecodeNorm(pr1Clone.Norms("field1")[4]) != norm1); Assert.IsTrue(!r1.IsDeleted(10)); Assert.IsTrue(pr1Clone.IsDeleted(10)); // try to update the original reader, which should throw an exception try { r1.DeleteDocument(11); Assert.Fail("Tried to delete doc 11 and an exception should have been thrown"); } catch (System.Exception exception) { // expectted } pr1Clone.Close(); }
public virtual void TestCloneWriteableToReadOnly() { Directory dir1 = new MockRAMDirectory(); TestIndexReaderReopen.CreateIndex(dir1, true); IndexReader reader = IndexReader.Open(dir1, false); IndexReader readOnlyReader = reader.Clone(true); if (!IsReadOnly(readOnlyReader)) { Assert.Fail("reader isn't read only"); } if (DeleteWorked(1, readOnlyReader)) { Assert.Fail("deleting from the original should not have worked"); } // this readonly reader shouldn't have a write lock if (readOnlyReader.hasChanges_ForNUnit) { Assert.Fail("readOnlyReader has a write lock"); } reader.Close(); readOnlyReader.Close(); dir1.Close(); }
public virtual void TestNormsRefCounting() { Directory dir1 = new MockRAMDirectory(); TestIndexReaderReopen.CreateIndex(dir1, false); IndexReader reader1 = IndexReader.Open(dir1, false); IndexReader reader2C = (IndexReader)reader1.Clone(); SegmentReader segmentReader2C = SegmentReader.GetOnlySegmentReader(reader2C); segmentReader2C.Norms("field1"); // load the norms for the field Norm reader2CNorm = segmentReader2C.norms_ForNUnit["field1"]; Assert.IsTrue(reader2CNorm.BytesRef().RefCount() == 2, "reader2CNorm.bytesRef()=" + reader2CNorm.BytesRef()); IndexReader reader3C = (IndexReader)reader2C.Clone(); SegmentReader segmentReader3C = SegmentReader.GetOnlySegmentReader(reader3C); Norm reader3CCNorm = segmentReader3C.norms_ForNUnit["field1"]; Assert.AreEqual(3, reader3CCNorm.BytesRef().RefCount()); // edit a norm and the refcount should be 1 IndexReader reader4C = (IndexReader)reader3C.Clone(); SegmentReader segmentReader4C = SegmentReader.GetOnlySegmentReader(reader4C); Assert.AreEqual(4, reader3CCNorm.BytesRef().RefCount()); reader4C.SetNorm(5, "field1", 0.33f); // generate a cannot update exception in reader1 Assert.Throws <LockObtainFailedException>(() => reader3C.SetNorm(1, "field1", 0.99f), "did not hit expected exception"); // norm values should be different Assert.IsTrue(Similarity.DecodeNorm(segmentReader3C.Norms("field1")[5]) != Similarity.DecodeNorm(segmentReader4C.Norms("field1")[5])); Norm reader4CCNorm = segmentReader4C.norms_ForNUnit["field1"]; Assert.AreEqual(3, reader3CCNorm.BytesRef().RefCount()); Assert.AreEqual(1, reader4CCNorm.BytesRef().RefCount()); IndexReader reader5C = (IndexReader)reader4C.Clone(); SegmentReader segmentReader5C = SegmentReader.GetOnlySegmentReader(reader5C); Norm reader5CCNorm = segmentReader5C.norms_ForNUnit["field1"]; reader5C.SetNorm(5, "field1", 0.7f); Assert.AreEqual(1, reader5CCNorm.BytesRef().RefCount()); reader5C.Close(); reader4C.Close(); reader3C.Close(); reader2C.Close(); reader1.Close(); dir1.Close(); }
public virtual void TestCloneReadOnlyDirectoryReader() { Directory dir1 = new MockRAMDirectory(); TestIndexReaderReopen.CreateIndex(dir1, true); IndexReader reader = IndexReader.Open(dir1, false); IndexReader readOnlyReader = reader.Clone(true); Assert.IsTrue(IsReadOnly(readOnlyReader), "reader isn't read only"); reader.Close(); readOnlyReader.Close(); dir1.Close(); }
public virtual void TestCloneNoChangesStillReadOnly() { Directory dir1 = new MockRAMDirectory(); TestIndexReaderReopen.CreateIndex(dir1, true); IndexReader r1 = IndexReader.Open(dir1, false); IndexReader r2 = r1.Clone(false); Assert.IsTrue(DeleteWorked(1, r2), "deleting from the cloned should have worked"); r1.Close(); r2.Close(); dir1.Close(); }
public virtual void TestCloneWriteToOrig() { Directory dir1 = new MockRAMDirectory(); TestIndexReaderReopen.CreateIndex(dir1, true); IndexReader r1 = IndexReader.Open(dir1, false); IndexReader r2 = r1.Clone(false); Assert.IsTrue(DeleteWorked(1, r1), "deleting from the original should have worked"); r1.Close(); r2.Close(); dir1.Close(); }
public virtual void TestCloneReadOnlySegmentReader() { Directory dir1 = new MockRAMDirectory(); TestIndexReaderReopen.CreateIndex(dir1, false); IndexReader reader = IndexReader.Open(dir1, false); IndexReader readOnlyReader = reader.Clone(true); Assert.IsTrue(IsReadOnly(readOnlyReader), "reader isn't read only"); Assert.IsFalse(DeleteWorked(1, readOnlyReader), "deleting from the original should not have worked"); reader.Close(); readOnlyReader.Close(); dir1.Close(); }
public virtual void TestReadOnlyCloneAfterOptimize() { Directory dir1 = new MockRAMDirectory(); TestIndexReaderReopen.CreateIndex(dir1, true); IndexReader reader1 = IndexReader.Open(dir1, false); IndexWriter w = new IndexWriter(dir1, new SimpleAnalyzer(), IndexWriter.MaxFieldLength.LIMITED); w.Optimize(); w.Close(); IndexReader reader2 = reader1.Clone(true); Assert.IsTrue(IsReadOnly(reader2)); reader1.Close(); reader2.Close(); dir1.Close(); }
public virtual void TestCloseStoredFields() { Directory dir = new MockRAMDirectory(); IndexWriter w = new IndexWriter(dir, new SimpleAnalyzer(), IndexWriter.MaxFieldLength.UNLIMITED); w.UseCompoundFile = false; Document doc = new Document(); doc.Add(new Field("field", "yes it's stored", Field.Store.YES, Field.Index.ANALYZED)); w.AddDocument(doc); w.Close(); IndexReader r1 = IndexReader.Open(dir, false); IndexReader r2 = r1.Clone(false); r1.Close(); r2.Close(); dir.Close(); }
public virtual void TestCloneWriteableToReadOnly() { Directory dir1 = new MockRAMDirectory(); TestIndexReaderReopen.CreateIndex(dir1, true); IndexReader reader = IndexReader.Open(dir1, false, null); IndexReader readOnlyReader = reader.Clone(true, null); Assert.IsTrue(IsReadOnly(readOnlyReader), "reader isn't read only"); Assert.IsFalse(DeleteWorked(1, readOnlyReader), "deleting from the original should not have worked"); // this readonly reader shouldn't have a write lock Assert.IsFalse(readOnlyReader.hasChanges, "readOnlyReader has a write lock"); reader.Close(); readOnlyReader.Close(); dir1.Close(); }
/// <summary> 1. Get a norm from the original reader 2. Clone the original reader 3. /// Delete a document and set the norm of the cloned reader 4. Verify the norms /// are not the same on each reader 5. Verify the doc deleted is only in the /// cloned reader 6. Try to delete a document in the original reader, an /// exception should be thrown /// /// </summary> /// <param name="r1">IndexReader to perform tests on /// </param> /// <throws> Exception </throws> private void PerformDefaultTests(IndexReader r1) { float norm1 = Similarity.DecodeNorm(r1.Norms("field1")[4]); IndexReader pr1Clone = (IndexReader)r1.Clone(); pr1Clone.DeleteDocument(10); pr1Clone.SetNorm(4, "field1", 0.5f); Assert.IsTrue(Similarity.DecodeNorm(r1.Norms("field1")[4]) == norm1); Assert.IsTrue(Similarity.DecodeNorm(pr1Clone.Norms("field1")[4]) != norm1); Assert.IsTrue(!r1.IsDeleted(10)); Assert.IsTrue(pr1Clone.IsDeleted(10)); // try to update the original reader, which should throw an exception Assert.Throws <LockObtainFailedException>(() => r1.DeleteDocument(11), "Tried to delete doc 11 and an exception should have been thrown"); pr1Clone.Close(); }
public virtual void TestCloneReadOnlyToWriteable() { Directory dir1 = new MockRAMDirectory(); TestIndexReaderReopen.CreateIndex(dir1, true); IndexReader reader1 = IndexReader.Open(dir1, true); IndexReader reader2 = reader1.Clone(false); Assert.IsFalse(IsReadOnly(reader2), "reader should not be read only"); Assert.IsFalse(DeleteWorked(1, reader1), "deleting from the original reader should not have worked"); // this readonly reader shouldn't yet have a write lock Assert.IsFalse(reader2.hasChanges, "cloned reader should not have write lock"); Assert.IsTrue(DeleteWorked(1, reader2), "deleting from the cloned reader should have worked"); reader1.Close(); reader2.Close(); dir1.Close(); }
public virtual void TestCloneWriteToClone() { Directory dir1 = new MockRAMDirectory(); TestIndexReaderReopen.CreateIndex(dir1, true); IndexReader r1 = IndexReader.Open(dir1, false); IndexReader r2 = r1.Clone(false); Assert.IsTrue(DeleteWorked(1, r2), "deleting from the original should have worked"); // should fail because reader1 holds the write lock Assert.IsTrue(!DeleteWorked(1, r1), "first reader should not be able to delete"); r2.Close(); // should fail because we are now stale (reader1 // committed changes) Assert.IsTrue(!DeleteWorked(1, r1), "first reader should not be able to delete"); r1.Close(); dir1.Close(); }
public virtual void TestLucene1516Bug() { Directory dir1 = new MockRAMDirectory(); TestIndexReaderReopen.CreateIndex(dir1, false); IndexReader r1 = IndexReader.Open(dir1, false); r1.IncRef(); IndexReader r2 = r1.Clone(false); r1.DeleteDocument(5); r1.DecRef(); r1.IncRef(); r2.Close(); r1.DecRef(); r1.Close(); dir1.Close(); }
public virtual void TestCloneWithDeletes() { Directory dir1 = new MockRAMDirectory(); TestIndexReaderReopen.CreateIndex(dir1, false); IndexReader origReader = IndexReader.Open(dir1, false); origReader.DeleteDocument(1); IndexReader clonedReader = (IndexReader)origReader.Clone(); origReader.Close(); clonedReader.Close(); IndexReader r = IndexReader.Open(dir1, false); Assert.IsTrue(r.IsDeleted(1)); r.Close(); dir1.Close(); }
// try cloning and reopening the norms private void DoTestNorms(Directory dir) { AddDocs(dir, 12, true); IndexReader ir = IndexReader.Open(dir); VerifyIndex(ir); ModifyNormsForF1(ir); IndexReader irc = (IndexReader)ir.Clone(); // IndexReader.open(dir);//ir.clone(); VerifyIndex(irc); ModifyNormsForF1(irc); IndexReader irc3 = (IndexReader)irc.Clone(); VerifyIndex(irc3); ModifyNormsForF1(irc3); VerifyIndex(irc3); irc3.Flush(); irc3.Close(); }
/// <summary> 1. Get a norm from the original reader 2. Clone the original reader 3. /// Delete a document and set the norm of the cloned reader 4. Verify the norms /// are not the same on each reader 5. Verify the doc deleted is only in the /// cloned reader 6. Try to delete a document in the original reader, an /// exception should be thrown /// /// </summary> /// <param name="r1">IndexReader to perform tests on /// </param> /// <throws> Exception </throws> private void PerformDefaultTests(IndexReader r1) { float norm1 = Similarity.DecodeNorm(r1.Norms("field1")[4]); IndexReader pr1Clone = (IndexReader) r1.Clone(); pr1Clone.DeleteDocument(10); pr1Clone.SetNorm(4, "field1", 0.5f); Assert.IsTrue(Similarity.DecodeNorm(r1.Norms("field1")[4]) == norm1); Assert.IsTrue(Similarity.DecodeNorm(pr1Clone.Norms("field1")[4]) != norm1); Assert.IsTrue(!r1.IsDeleted(10)); Assert.IsTrue(pr1Clone.IsDeleted(10)); // try to update the original reader, which should throw an exception Assert.Throws<LockObtainFailedException>(() => r1.DeleteDocument(11), "Tried to delete doc 11 and an exception should have been thrown"); pr1Clone.Close(); }
/// <summary> 1. Get a norm from the original reader 2. Clone the original reader 3. /// Delete a document and set the norm of the cloned reader 4. Verify the norms /// are not the same on each reader 5. Verify the doc deleted is only in the /// cloned reader 6. Try to delete a document in the original reader, an /// exception should be thrown /// /// </summary> /// <param name="r1">IndexReader to perform tests on /// </param> /// <throws> Exception </throws> private void PerformDefaultTests(IndexReader r1) { float norm1 = Similarity.DecodeNorm(r1.Norms("field1")[4]); IndexReader pr1Clone = (IndexReader) r1.Clone(); pr1Clone.DeleteDocument(10); pr1Clone.SetNorm(4, "field1", 0.5f); Assert.IsTrue(Similarity.DecodeNorm(r1.Norms("field1")[4]) == norm1); Assert.IsTrue(Similarity.DecodeNorm(pr1Clone.Norms("field1")[4]) != norm1); Assert.IsTrue(!r1.IsDeleted(10)); Assert.IsTrue(pr1Clone.IsDeleted(10)); // try to update the original reader, which should throw an exception try { r1.DeleteDocument(11); Assert.Fail("Tried to delete doc 11 and an exception should have been thrown"); } catch (System.Exception exception) { // expectted } pr1Clone.Close(); }
private void Initialize(IndexReader[] subReaders, bool closeSubReaders) { this.subReaders = (IndexReader[]) subReaders.Clone(); starts = new int[subReaders.Length + 1]; // build starts array decrefOnClose = new bool[subReaders.Length]; for (int i = 0; i < subReaders.Length; i++) { starts[i] = maxDoc; maxDoc += subReaders[i].MaxDoc(); // compute maxDocs if (!closeSubReaders) { subReaders[i].IncRef(); decrefOnClose[i] = true; } else { decrefOnClose[i] = false; } if (subReaders[i].HasDeletions()) hasDeletions = true; } starts[subReaders.Length] = maxDoc; }
protected internal virtual IndexReader DoReopen(bool doClone) { EnsureOpen(); bool reopened = false; System.Collections.IList newReaders = new System.Collections.ArrayList(); bool success = false; try { for (int i = 0; i < readers.Count; i++) { IndexReader oldReader = (IndexReader)readers[i]; IndexReader newReader = null; if (doClone) { newReader = (IndexReader)oldReader.Clone(); } else { newReader = oldReader.Reopen(); } newReaders.Add(newReader); // if at least one of the subreaders was updated we remember that // and return a new ParallelReader if (newReader != oldReader) { reopened = true; } } success = true; } finally { if (!success && reopened) { for (int i = 0; i < newReaders.Count; i++) { IndexReader r = (IndexReader)newReaders[i]; if (r != readers[i]) { try { r.Close(); } catch (System.IO.IOException ignore) { // keep going - we want to clean up as much as possible } } } } } if (reopened) { System.Collections.IList newDecrefOnClose = new System.Collections.ArrayList(); ParallelReader pr = new ParallelReader(); for (int i = 0; i < readers.Count; i++) { IndexReader oldReader = (IndexReader)readers[i]; IndexReader newReader = (IndexReader)newReaders[i]; if (newReader == oldReader) { newDecrefOnClose.Add(true); newReader.IncRef(); } else { // this is a new subreader instance, so on close() we don't // decRef but close it newDecrefOnClose.Add(false); } pr.Add(newReader, !storedFieldReaders.Contains(oldReader)); } pr.decrefOnClose = newDecrefOnClose; pr.incRefReaders = incRefReaders; return(pr); } else { // No subreader was refreshed return(this); } }
public virtual void TestSegmentReaderDelDocsReferenceCounting() { Directory dir1 = new MockRAMDirectory(); TestIndexReaderReopen.CreateIndex(dir1, false); IndexReader origReader = IndexReader.Open(dir1, false); SegmentReader origSegmentReader = SegmentReader.GetOnlySegmentReader(origReader); // deletedDocsRef should be null because nothing has updated yet Assert.IsNull(origSegmentReader.deletedDocsRef_ForNUnit); // we deleted a document, so there is now a deletedDocs bitvector and a // reference to it origReader.DeleteDocument(1); AssertDelDocsRefCountEquals(1, origSegmentReader); // the cloned segmentreader should have 2 references, 1 to itself, and 1 to // the original segmentreader IndexReader clonedReader = (IndexReader)origReader.Clone(); SegmentReader clonedSegmentReader = SegmentReader.GetOnlySegmentReader(clonedReader); AssertDelDocsRefCountEquals(2, origSegmentReader); // deleting a document creates a new deletedDocs bitvector, the refs goes to // 1 clonedReader.DeleteDocument(2); AssertDelDocsRefCountEquals(1, origSegmentReader); AssertDelDocsRefCountEquals(1, clonedSegmentReader); // make sure the deletedocs objects are different (copy // on write) Assert.IsTrue(origSegmentReader.deletedDocs_ForNUnit != clonedSegmentReader.deletedDocs_ForNUnit); AssertDocDeleted(origSegmentReader, clonedSegmentReader, 1); Assert.IsTrue(!origSegmentReader.IsDeleted(2)); // doc 2 should not be deleted // in original segmentreader Assert.IsTrue(clonedSegmentReader.IsDeleted(2)); // doc 2 should be deleted in // cloned segmentreader // deleting a doc from the original segmentreader should throw an exception Assert.Throws <LockObtainFailedException>(() => origReader.DeleteDocument(4), "expected exception"); origReader.Close(); // try closing the original segment reader to see if it affects the // clonedSegmentReader clonedReader.DeleteDocument(3); clonedReader.Flush(); AssertDelDocsRefCountEquals(1, clonedSegmentReader); // test a reopened reader IndexReader reopenedReader = clonedReader.Reopen(); IndexReader cloneReader2 = (IndexReader)reopenedReader.Clone(); SegmentReader cloneSegmentReader2 = SegmentReader.GetOnlySegmentReader(cloneReader2); AssertDelDocsRefCountEquals(2, cloneSegmentReader2); clonedReader.Close(); reopenedReader.Close(); cloneReader2.Close(); dir1.Close(); }