package org.apache.lucene.index;
/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.io.Reader;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Random;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.MockAnalyzer;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.analysis.Tokenizer;
import org.apache.lucene.analysis.WhitespaceAnalyzer;
import org.apache.lucene.analysis.WhitespaceTokenizer;
import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
import org.apache.lucene.analysis.tokenattributes.PositionIncrementAttribute;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field.Index;
import org.apache.lucene.document.Field.Store;
import org.apache.lucene.document.Field.TermVector;
import org.apache.lucene.document.Field;
import org.apache.lucene.document.Fieldable;
import org.apache.lucene.index.IndexWriterConfig.OpenMode;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.PhraseQuery;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.ScoreDoc;
import org.apache.lucene.search.TermQuery;
import org.apache.lucene.search.TopDocs;
import org.apache.lucene.search.spans.SpanTermQuery;
import org.apache.lucene.store.AlreadyClosedException;
import org.apache.lucene.store.Directory;
import org.apache.lucene.store.IndexOutput;
import org.apache.lucene.store.Lock;
import org.apache.lucene.store.LockFactory;
import org.apache.lucene.store.MockDirectoryWrapper;
import org.apache.lucene.store.NoLockFactory;
import org.apache.lucene.store.RAMDirectory;
import org.apache.lucene.store.SingleInstanceLockFactory;
import org.apache.lucene.util.LuceneTestCase;
import org.apache.lucene.util.ThreadInterruptedException;
import org.apache.lucene.util._TestUtil;
public class TestIndexWriter extends LuceneTestCase {
public void testDocCount() throws IOException {
Directory dir = newDirectory();
IndexWriter writer = null;
IndexReader reader = null;
int i;
long savedWriteLockTimeout = IndexWriterConfig.getDefaultWriteLockTimeout();
try {
IndexWriterConfig.setDefaultWriteLockTimeout(2000);
assertEquals(2000, IndexWriterConfig.getDefaultWriteLockTimeout());
writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)));
} finally {
IndexWriterConfig.setDefaultWriteLockTimeout(savedWriteLockTimeout);
}
// add 100 documents
for (i = 0; i < 100; i++) {
addDoc(writer);
}
assertEquals(100, writer.maxDoc());
writer.close();
// delete 40 documents
reader = IndexReader.open(dir, false);
for (i = 0; i < 40; i++) {
reader.deleteDocument(i);
}
reader.close();
reader = IndexReader.open(dir, true);
assertEquals(60, reader.numDocs());
reader.close();
// merge the index down and check that the new doc count is correct
writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)));
assertEquals(60, writer.numDocs());
writer.forceMerge(1);
assertEquals(60, writer.maxDoc());
assertEquals(60, writer.numDocs());
writer.close();
// check that the index reader gives the same numbers.
reader = IndexReader.open(dir, true);
assertEquals(60, reader.maxDoc());
assertEquals(60, reader.numDocs());
reader.close();
// make sure opening a new index for create over
// this existing one works correctly:
writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)).setOpenMode(OpenMode.CREATE));
assertEquals(0, writer.maxDoc());
assertEquals(0, writer.numDocs());
writer.close();
dir.close();
}
static void addDoc(IndexWriter writer) throws IOException
{
Document doc = new Document();
doc.add(newField("content", "aaa", Field.Store.NO, Field.Index.ANALYZED));
writer.addDocument(doc);
}
static void addDocWithIndex(IndexWriter writer, int index) throws IOException
{
Document doc = new Document();
doc.add(newField("content", "aaa " + index, Field.Store.YES, Field.Index.ANALYZED));
doc.add(newField("id", "" + index, Field.Store.YES, Field.Index.ANALYZED));
writer.addDocument(doc);
}
public static void assertNoUnreferencedFiles(Directory dir, String message) throws IOException {
String[] startFiles = dir.listAll();
SegmentInfos infos = new SegmentInfos();
infos.read(dir);
new IndexWriter(dir, new IndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random))).rollback();
String[] endFiles = dir.listAll();
Arrays.sort(startFiles);
Arrays.sort(endFiles);
if (!Arrays.equals(startFiles, endFiles)) {
fail(message + ": before delete:\n " + arrayToString(startFiles) + "\n after delete:\n " + arrayToString(endFiles));
}
}
/**
* Make sure we skip wicked long terms.
*/
public void testWickedLongTerm() throws IOException {
MockDirectoryWrapper dir = newDirectory();
IndexWriter writer = new IndexWriter(dir, new IndexWriterConfig(
TEST_VERSION_CURRENT, new StandardAnalyzer(TEST_VERSION_CURRENT)));
char[] chars = new char[DocumentsWriter.CHAR_BLOCK_SIZE-1];
Arrays.fill(chars, 'x');
Document doc = new Document();
final String bigTerm = new String(chars);
// Max length term is 16383, so this contents produces
// a too-long term:
String contents = "abc xyz x" + bigTerm + " another term";
doc.add(new Field("content", contents, Field.Store.NO, Field.Index.ANALYZED));
writer.addDocument(doc);
// Make sure we can add another normal document
doc = new Document();
doc.add(new Field("content", "abc bbb ccc", Field.Store.NO, Field.Index.ANALYZED));
writer.addDocument(doc);
writer.close();
IndexReader reader = IndexReader.open(dir, true);
// Make sure all terms < max size were indexed
assertEquals(2, reader.docFreq(new Term("content", "abc")));
assertEquals(1, reader.docFreq(new Term("content", "bbb")));
assertEquals(1, reader.docFreq(new Term("content", "term")));
assertEquals(1, reader.docFreq(new Term("content", "another")));
// Make sure position is still incremented when
// massive term is skipped:
TermPositions tps = reader.termPositions(new Term("content", "another"));
assertTrue(tps.next());
assertEquals(1, tps.freq());
assertEquals(3, tps.nextPosition());
// Make sure the doc that has the massive term is in
// the index:
assertEquals("document with wicked long term should is not in the index!", 2, reader.numDocs());
reader.close();
// Make sure we can add a document with exactly the
// maximum length term, and search on that term:
doc = new Document();
doc.add(new Field("content", bigTerm, Field.Store.NO, Field.Index.ANALYZED));
StandardAnalyzer sa = new StandardAnalyzer(TEST_VERSION_CURRENT);
sa.setMaxTokenLength(100000);
writer = new IndexWriter(dir, new IndexWriterConfig(TEST_VERSION_CURRENT, sa));
writer.addDocument(doc);
writer.close();
reader = IndexReader.open(dir, true);
assertEquals(1, reader.docFreq(new Term("content", bigTerm)));
reader.close();
dir.close();
}
static String arrayToString(String[] l) {
String s = "";
for(int i=0;i<l.length;i++) {
if (i > 0) {
s += "\n ";
}
s += l[i];
}
return s;
}
// Make sure we can open an index for create even when a
// reader holds it open (this fails pre lock-less
// commits on windows):
public void testCreateWithReader() throws IOException {
Directory dir = newDirectory();
// add one document & close writer
IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)));
addDoc(writer);
writer.close();
// now open reader:
IndexReader reader = IndexReader.open(dir, true);
assertEquals("should be one document", reader.numDocs(), 1);
// now open index for create:
writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)).setOpenMode(OpenMode.CREATE));
assertEquals("should be zero documents", writer.maxDoc(), 0);
addDoc(writer);
writer.close();
assertEquals("should be one document", reader.numDocs(), 1);
IndexReader reader2 = IndexReader.open(dir, true);
assertEquals("should be one document", reader2.numDocs(), 1);
reader.close();
reader2.close();
dir.close();
}
public void testChangesAfterClose() throws IOException {
Directory dir = newDirectory();
IndexWriter writer = null;
writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)));
addDoc(writer);
// close
writer.close();
try {
addDoc(writer);
fail("did not hit AlreadyClosedException");
} catch (AlreadyClosedException e) {
// expected
}
dir.close();
}
public void testIndexNoDocuments() throws IOException {
MockDirectoryWrapper dir = newDirectory();
IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)));
writer.commit();
writer.close();
IndexReader reader = IndexReader.open(dir, true);
assertEquals(0, reader.maxDoc());
assertEquals(0, reader.numDocs());
reader.close();
writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)).setOpenMode(OpenMode.APPEND));
writer.commit();
writer.close();
reader = IndexReader.open(dir, true);
assertEquals(0, reader.maxDoc());
assertEquals(0, reader.numDocs());
reader.close();
dir.close();
}
public void testManyFields() throws IOException {
MockDirectoryWrapper dir = newDirectory();
IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)).setMaxBufferedDocs(10));
for(int j=0;j<100;j++) {
Document doc = new Document();
doc.add(newField("a"+j, "aaa" + j, Field.Store.YES, Field.Index.ANALYZED));
doc.add(newField("b"+j, "aaa" + j, Field.Store.YES, Field.Index.ANALYZED));
doc.add(newField("c"+j, "aaa" + j, Field.Store.YES, Field.Index.ANALYZED));
doc.add(newField("d"+j, "aaa", Field.Store.YES, Field.Index.ANALYZED));
doc.add(newField("e"+j, "aaa", Field.Store.YES, Field.Index.ANALYZED));
doc.add(newField("f"+j, "aaa", Field.Store.YES, Field.Index.ANALYZED));
writer.addDocument(doc);
}
writer.close();
IndexReader reader = IndexReader.open(dir, true);
assertEquals(100, reader.maxDoc());
assertEquals(100, reader.numDocs());
for(int j=0;j<100;j++) {
assertEquals(1, reader.docFreq(new Term("a"+j, "aaa"+j)));
assertEquals(1, reader.docFreq(new Term("b"+j, "aaa"+j)));
assertEquals(1, reader.docFreq(new Term("c"+j, "aaa"+j)));
assertEquals(1, reader.docFreq(new Term("d"+j, "aaa")));
assertEquals(1, reader.docFreq(new Term("e"+j, "aaa")));
assertEquals(1, reader.docFreq(new Term("f"+j, "aaa")));
}
reader.close();
dir.close();
}
public void testSmallRAMBuffer() throws IOException {
MockDirectoryWrapper dir = newDirectory();
IndexWriter writer = new IndexWriter(
dir,
newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)).
setRAMBufferSizeMB(0.000001).
setMergePolicy(newLogMergePolicy(10))
);
int lastNumFile = dir.listAll().length;
for(int j=0;j<9;j++) {
Document doc = new Document();
doc.add(newField("field", "aaa" + j, Field.Store.YES, Field.Index.ANALYZED));
writer.addDocument(doc);
int numFile = dir.listAll().length;
// Verify that with a tiny RAM buffer we see new
// segment after every doc
assertTrue(numFile > lastNumFile);
lastNumFile = numFile;
}
writer.close();
dir.close();
}
/**
* Make sure it's OK to change RAM buffer size and // maxBufferedDocs in a
* write session
*
* @deprecated after all the setters on IW go away (4.0), this test can be
* removed because changing ram buffer settings during a write
* session won't be possible.
*/
@Deprecated
public void testChangingRAMBuffer() throws IOException {
MockDirectoryWrapper dir = newDirectory();
IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig(
TEST_VERSION_CURRENT, new MockAnalyzer(random)).setMaxBufferedDocs(10).setRAMBufferSizeMB(
IndexWriterConfig.DISABLE_AUTO_FLUSH));
int lastFlushCount = -1;
for(int j=1;j<52;j++) {
Document doc = new Document();
doc.add(newField("field", "aaa" + j, Field.Store.YES, Field.Index.ANALYZED));
writer.addDocument(doc);
_TestUtil.syncConcurrentMerges(writer);
int flushCount = writer.getFlushCount();
if (j == 1)
lastFlushCount = flushCount;
else if (j < 10)
// No new files should be created
assertEquals(flushCount, lastFlushCount);
else if (10 == j) {
assertTrue(flushCount > lastFlushCount);
lastFlushCount = flushCount;
writer.setRAMBufferSizeMB(0.000001);
writer.setMaxBufferedDocs(IndexWriterConfig.DISABLE_AUTO_FLUSH);
} else if (j < 20) {
assertTrue(flushCount > lastFlushCount);
lastFlushCount = flushCount;
} else if (20 == j) {
writer.setRAMBufferSizeMB(16);
writer.setMaxBufferedDocs(IndexWriterConfig.DISABLE_AUTO_FLUSH);
lastFlushCount = flushCount;
} else if (j < 30) {
assertEquals(flushCount, lastFlushCount);
} else if (30 == j) {
writer.setRAMBufferSizeMB(0.000001);
writer.setMaxBufferedDocs(IndexWriterConfig.DISABLE_AUTO_FLUSH);
} else if (j < 40) {
assertTrue(flushCount> lastFlushCount);
lastFlushCount = flushCount;
} else if (40 == j) {
writer.setMaxBufferedDocs(10);
writer.setRAMBufferSizeMB(IndexWriterConfig.DISABLE_AUTO_FLUSH);
lastFlushCount = flushCount;
} else if (j < 50) {
assertEquals(flushCount, lastFlushCount);
writer.setMaxBufferedDocs(10);
writer.setRAMBufferSizeMB(IndexWriterConfig.DISABLE_AUTO_FLUSH);
} else if (50 == j) {
assertTrue(flushCount > lastFlushCount);
}
}
writer.close();
dir.close();
}
/**
* @deprecated after setters on IW go away, this test can be deleted because
* changing those settings on IW won't be possible.
*/
@Deprecated
public void testChangingRAMBuffer2() throws IOException {
MockDirectoryWrapper dir = newDirectory();
IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig(
TEST_VERSION_CURRENT, new WhitespaceAnalyzer(TEST_VERSION_CURRENT)).setMaxBufferedDocs(10).setMaxBufferedDeleteTerms(
10).setRAMBufferSizeMB(IndexWriterConfig.DISABLE_AUTO_FLUSH));
for(int j=1;j<52;j++) {
Document doc = new Document();
doc.add(newField("field", "aaa" + j, Field.Store.YES, Field.Index.ANALYZED));
writer.addDocument(doc);
}
int lastFlushCount = -1;
for(int j=1;j<52;j++) {
writer.deleteDocuments(new Term("field", "aaa" + j));
_TestUtil.syncConcurrentMerges(writer);
int flushCount = writer.getFlushCount();
if (j == 1)
lastFlushCount = flushCount;
else if (j < 10) {
// No new files should be created
assertEquals(flushCount, lastFlushCount);
} else if (10 == j) {
assertTrue(flushCount > lastFlushCount);
lastFlushCount = flushCount;
writer.setRAMBufferSizeMB(0.000001);
writer.setMaxBufferedDeleteTerms(1);
} else if (j < 20) {
assertTrue(flushCount > lastFlushCount);
lastFlushCount = flushCount;
} else if (20 == j) {
writer.setRAMBufferSizeMB(16);
writer.setMaxBufferedDeleteTerms(IndexWriterConfig.DISABLE_AUTO_FLUSH);
lastFlushCount = flushCount;
} else if (j < 30) {
assertEquals(flushCount, lastFlushCount);
} else if (30 == j) {
writer.setRAMBufferSizeMB(0.000001);
writer.setMaxBufferedDeleteTerms(IndexWriterConfig.DISABLE_AUTO_FLUSH);
writer.setMaxBufferedDeleteTerms(1);
} else if (j < 40) {
assertTrue(flushCount> lastFlushCount);
lastFlushCount = flushCount;
} else if (40 == j) {
writer.setMaxBufferedDeleteTerms(10);
writer.setRAMBufferSizeMB(IndexWriterConfig.DISABLE_AUTO_FLUSH);
lastFlushCount = flushCount;
} else if (j < 50) {
assertEquals(flushCount, lastFlushCount);
writer.setMaxBufferedDeleteTerms(10);
writer.setRAMBufferSizeMB(IndexWriterConfig.DISABLE_AUTO_FLUSH);
} else if (50 == j) {
assertTrue(flushCount > lastFlushCount);
}
}
writer.close();
dir.close();
}
// Make sure it's OK to change RAM buffer size and
// maxBufferedDocs in a write session, using IW.getConfig()
public void testChangingRAMBufferWithIWC() throws IOException {
Directory dir = newDirectory();
IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)));
writer.getConfig().setMaxBufferedDocs(10);
writer.getConfig().setRAMBufferSizeMB(IndexWriterConfig.DISABLE_AUTO_FLUSH);
int lastFlushCount = -1;
for(int j=1;j<52;j++) {
Document doc = new Document();
doc.add(new Field("field", "aaa" + j, Field.Store.YES, Field.Index.ANALYZED));
writer.addDocument(doc);
_TestUtil.syncConcurrentMerges(writer);
int flushCount = writer.getFlushCount();
if (j == 1)
lastFlushCount = flushCount;
else if (j < 10)
// No new files should be created
assertEquals(flushCount, lastFlushCount);
else if (10 == j) {
assertTrue(flushCount > lastFlushCount);
lastFlushCount = flushCount;
writer.getConfig().setRAMBufferSizeMB(0.000001);
writer.getConfig().setMaxBufferedDocs(IndexWriterConfig.DISABLE_AUTO_FLUSH);
} else if (j < 20) {
assertTrue(flushCount > lastFlushCount);
lastFlushCount = flushCount;
} else if (20 == j) {
writer.getConfig().setRAMBufferSizeMB(16);
writer.getConfig().setMaxBufferedDocs(IndexWriterConfig.DISABLE_AUTO_FLUSH);
lastFlushCount = flushCount;
} else if (j < 30) {
assertEquals(flushCount, lastFlushCount);
} else if (30 == j) {
writer.getConfig().setRAMBufferSizeMB(0.000001);
writer.getConfig().setMaxBufferedDocs(IndexWriterConfig.DISABLE_AUTO_FLUSH);
} else if (j < 40) {
assertTrue(flushCount> lastFlushCount);
lastFlushCount = flushCount;
} else if (40 == j) {
writer.getConfig().setMaxBufferedDocs(10);
writer.getConfig().setRAMBufferSizeMB(IndexWriterConfig.DISABLE_AUTO_FLUSH);
lastFlushCount = flushCount;
} else if (j < 50) {
assertEquals(flushCount, lastFlushCount);
writer.getConfig().setMaxBufferedDocs(10);
writer.getConfig().setRAMBufferSizeMB(IndexWriterConfig.DISABLE_AUTO_FLUSH);
} else if (50 == j) {
assertTrue(flushCount > lastFlushCount);
}
}
writer.close();
dir.close();
}
public void testChangingRAMBuffer2WithIWC() throws IOException {
Directory dir = newDirectory();
IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)));
writer.getConfig().setMaxBufferedDocs(10);
writer.getConfig().setMaxBufferedDeleteTerms(10);
writer.getConfig().setRAMBufferSizeMB(IndexWriterConfig.DISABLE_AUTO_FLUSH);
for(int j=1;j<52;j++) {
Document doc = new Document();
doc.add(new Field("field", "aaa" + j, Field.Store.YES, Field.Index.ANALYZED));
writer.addDocument(doc);
}
int lastFlushCount = -1;
for(int j=1;j<52;j++) {
writer.deleteDocuments(new Term("field", "aaa" + j));
_TestUtil.syncConcurrentMerges(writer);
int flushCount = writer.getFlushCount();
if (j == 1)
lastFlushCount = flushCount;
else if (j < 10) {
// No new files should be created
assertEquals(flushCount, lastFlushCount);
} else if (10 == j) {
assertTrue(flushCount > lastFlushCount);
lastFlushCount = flushCount;
writer.getConfig().setRAMBufferSizeMB(0.000001);
writer.getConfig().setMaxBufferedDeleteTerms(1);
} else if (j < 20) {
assertTrue(flushCount > lastFlushCount);
lastFlushCount = flushCount;
} else if (20 == j) {
writer.getConfig().setRAMBufferSizeMB(16);
writer.getConfig().setMaxBufferedDeleteTerms(IndexWriterConfig.DISABLE_AUTO_FLUSH);
lastFlushCount = flushCount;
} else if (j < 30) {
assertEquals(flushCount, lastFlushCount);
} else if (30 == j) {
writer.getConfig().setRAMBufferSizeMB(0.000001);
writer.getConfig().setMaxBufferedDeleteTerms(IndexWriterConfig.DISABLE_AUTO_FLUSH);
writer.getConfig().setMaxBufferedDeleteTerms(1);
} else if (j < 40) {
assertTrue(flushCount> lastFlushCount);
lastFlushCount = flushCount;
} else if (40 == j) {
writer.getConfig().setMaxBufferedDeleteTerms(10);
writer.getConfig().setRAMBufferSizeMB(IndexWriterConfig.DISABLE_AUTO_FLUSH);
lastFlushCount = flushCount;
} else if (j < 50) {
assertEquals(flushCount, lastFlushCount);
writer.getConfig().setMaxBufferedDeleteTerms(10);
writer.getConfig().setRAMBufferSizeMB(IndexWriterConfig.DISABLE_AUTO_FLUSH);
} else if (50 == j) {
assertTrue(flushCount > lastFlushCount);
}
}
writer.close();
dir.close();
}
public void testDiverseDocs() throws IOException {
MockDirectoryWrapper dir = newDirectory();
IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)).setRAMBufferSizeMB(0.5));
for(int i=0;i<3;i++) {
// First, docs where every term is unique (heavy on
// Posting instances)
for(int j=0;j<100;j++) {
Document doc = new Document();
for(int k=0;k<100;k++) {
doc.add(newField("field", Integer.toString(random.nextInt()), Field.Store.YES, Field.Index.ANALYZED));
}
writer.addDocument(doc);
}
// Next, many single term docs where only one term
// occurs (heavy on byte blocks)
for(int j=0;j<100;j++) {
Document doc = new Document();
doc.add(newField("field", "aaa aaa aaa aaa aaa aaa aaa aaa aaa aaa", Field.Store.YES, Field.Index.ANALYZED));
writer.addDocument(doc);
}
// Next, many single term docs where only one term
// occurs but the terms are very long (heavy on
// char[] arrays)
for(int j=0;j<100;j++) {
StringBuilder b = new StringBuilder();
String x = Integer.toString(j) + ".";
for(int k=0;k<1000;k++)
b.append(x);
String longTerm = b.toString();
Document doc = new Document();
doc.add(newField("field", longTerm, Field.Store.YES, Field.Index.ANALYZED));
writer.addDocument(doc);
}
}
writer.close();
IndexReader reader = IndexReader.open(dir, false);
IndexSearcher searcher = new IndexSearcher(reader);
ScoreDoc[] hits = searcher.search(new TermQuery(new Term("field", "aaa")), null, 1000).scoreDocs;
assertEquals(300, hits.length);
searcher.close();
reader.close();
dir.close();
}
public void testEnablingNorms() throws IOException {
MockDirectoryWrapper dir = newDirectory();
IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)).setMaxBufferedDocs(10));
// Enable norms for only 1 doc, pre flush
for(int j=0;j<10;j++) {
Document doc = new Document();
Field f = newField("field", "aaa", Field.Store.YES, Field.Index.ANALYZED);
if (j != 8) {
f.setOmitNorms(true);
}
doc.add(f);
writer.addDocument(doc);
}
writer.close();
Term searchTerm = new Term("field", "aaa");
IndexReader reader = IndexReader.open(dir, false);
IndexSearcher searcher = new IndexSearcher(reader);
ScoreDoc[] hits = searcher.search(new TermQuery(searchTerm), null, 1000).scoreDocs;
assertEquals(10, hits.length);
searcher.close();
reader.close();
writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random))
.setOpenMode(OpenMode.CREATE).setMaxBufferedDocs(10));
// Enable norms for only 1 doc, post flush
for(int j=0;j<27;j++) {
Document doc = new Document();
Field f = newField("field", "aaa", Field.Store.YES, Field.Index.ANALYZED);
if (j != 26) {
f.setOmitNorms(true);
}
doc.add(f);
writer.addDocument(doc);
}
writer.close();
reader = IndexReader.open(dir, false);
searcher = new IndexSearcher(reader);
hits = searcher.search(new TermQuery(searchTerm), null, 1000).scoreDocs;
assertEquals(27, hits.length);
searcher.close();
reader.close();
reader = IndexReader.open(dir, true);
reader.close();
dir.close();
}
public void testHighFreqTerm() throws IOException {
MockDirectoryWrapper dir = newDirectory();
IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig(
TEST_VERSION_CURRENT, new MockAnalyzer(random)).setRAMBufferSizeMB(0.01));
// Massive doc that has 128 K a's
StringBuilder b = new StringBuilder(1024*1024);
for(int i=0;i<4096;i++) {
b.append(" a a a a a a a a");
b.append(" a a a a a a a a");
b.append(" a a a a a a a a");
b.append(" a a a a a a a a");
}
Document doc = new Document();
doc.add(newField("field", b.toString(), Field.Store.YES, Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS_OFFSETS));
writer.addDocument(doc);
writer.close();
IndexReader reader = IndexReader.open(dir, true);
assertEquals(1, reader.maxDoc());
assertEquals(1, reader.numDocs());
Term t = new Term("field", "a");
assertEquals(1, reader.docFreq(t));
TermDocs td = reader.termDocs(t);
td.next();
assertEquals(128*1024, td.freq());
reader.close();
dir.close();
}
// Make sure that a Directory implementation that does
// not use LockFactory at all (ie overrides makeLock and
// implements its own private locking) works OK. This
// was raised on java-dev as loss of backwards
// compatibility.
public void testNullLockFactory() throws IOException {
final class MyRAMDirectory extends MockDirectoryWrapper {
private LockFactory myLockFactory;
MyRAMDirectory(Directory delegate) {
super(random, delegate);
lockFactory = null;
myLockFactory = new SingleInstanceLockFactory();
}
@Override
public Lock makeLock(String name) {
return myLockFactory.makeLock(name);
}
}
Directory dir = new MyRAMDirectory(new RAMDirectory());
IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig(
TEST_VERSION_CURRENT, new MockAnalyzer(random)));
for (int i = 0; i < 100; i++) {
addDoc(writer);
}
writer.close();
Term searchTerm = new Term("content", "aaa");
IndexReader reader = IndexReader.open(dir, false);
IndexSearcher searcher = new IndexSearcher(reader);
ScoreDoc[] hits = searcher.search(new TermQuery(searchTerm), null, 1000).scoreDocs;
assertEquals("did not get right number of hits", 100, hits.length);
searcher.close();
reader.close();
writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random))
.setOpenMode(OpenMode.CREATE));
writer.close();
dir.close();
}
public void testFlushWithNoMerging() throws IOException {
Directory dir = newDirectory();
IndexWriter writer = new IndexWriter(
dir,
newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)).
setMaxBufferedDocs(2).
setMergePolicy(newLogMergePolicy(10))
);
Document doc = new Document();
doc.add(newField("field", "aaa", Field.Store.YES, Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS_OFFSETS));
for(int i=0;i<19;i++)
writer.addDocument(doc);
writer.flush(false, true);
writer.close();
SegmentInfos sis = new SegmentInfos();
sis.read(dir);
// Since we flushed w/o allowing merging we should now
// have 10 segments
assertEquals(10, sis.size());
dir.close();
}
// Make sure we can flush segment w/ norms, then add
// empty doc (no norms) and flush
public void testEmptyDocAfterFlushingRealDoc() throws IOException {
Directory dir = newDirectory();
IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)));
writer.setInfoStream(VERBOSE ? System.out : null);
Document doc = new Document();
doc.add(newField("field", "aaa", Field.Store.YES, Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS_OFFSETS));
writer.addDocument(doc);
writer.commit();
if (VERBOSE) {
System.out.println("\nTEST: now add empty doc");
}
writer.addDocument(new Document());
writer.close();
IndexReader reader = IndexReader.open(dir, true);
assertEquals(2, reader.numDocs());
reader.close();
dir.close();
}
/**
* Test that no NullPointerException will be raised,
* when adding one document with a single, empty field
* and term vectors enabled.
* @throws IOException
*
*/
public void testBadSegment() throws IOException {
Directory dir = newDirectory();
IndexWriter iw = new IndexWriter(dir, newIndexWriterConfig(
TEST_VERSION_CURRENT, new MockAnalyzer(random)));
Document document = new Document();
document.add(newField("tvtest", "", Store.NO, Index.ANALYZED, TermVector.YES));
iw.addDocument(document);
iw.close();
dir.close();
}
// LUCENE-1036
public void testMaxThreadPriority() throws IOException {
int pri = Thread.currentThread().getPriority();
try {
Directory dir = newDirectory();
IndexWriterConfig conf = newIndexWriterConfig(
TEST_VERSION_CURRENT, new MockAnalyzer(random))
.setMaxBufferedDocs(2).setMergePolicy(newLogMergePolicy());
((LogMergePolicy) conf.getMergePolicy()).setMergeFactor(2);
IndexWriter iw = new IndexWriter(dir, conf);
Document document = new Document();
document.add(newField("tvtest", "a b c", Field.Store.NO, Field.Index.ANALYZED,
Field.TermVector.YES));
Thread.currentThread().setPriority(Thread.MAX_PRIORITY);
for(int i=0;i<4;i++)
iw.addDocument(document);
iw.close();
dir.close();
} finally {
Thread.currentThread().setPriority(pri);
}
}
// Just intercepts all merges & verifies that we are never
// merging a segment with >= 20 (maxMergeDocs) docs
private class MyMergeScheduler extends MergeScheduler {
@Override
synchronized public void merge(IndexWriter writer)
throws CorruptIndexException, IOException {
while(true) {
MergePolicy.OneMerge merge = writer.getNextMerge();
if (merge == null) {
break;
}
for(int i=0;i<merge.segments.size();i++) {
assert merge.segments.get(i).docCount < 20;
}
writer.merge(merge);
}
}
@Override
public void close() {}
}
public void testVariableSchema() throws Exception {
Directory dir = newDirectory();
int delID = 0;
for(int i=0;i<20;i++) {
if (VERBOSE) {
System.out.println("TEST: iter=" + i);
}
IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)).setMaxBufferedDocs(2).setMergePolicy(newLogMergePolicy()));
writer.setInfoStream(VERBOSE ? System.out : null);
//LogMergePolicy lmp = (LogMergePolicy) writer.getConfig().getMergePolicy();
//lmp.setMergeFactor(2);
//lmp.setUseCompoundFile(false);
Document doc = new Document();
String contents = "aa bb cc dd ee ff gg hh ii jj kk";
if (i == 7) {
// Add empty docs here
doc.add(newField("content3", "", Field.Store.NO,
Field.Index.ANALYZED));
} else {
Field.Store storeVal;
if (i%2 == 0) {
doc.add(newField("content4", contents, Field.Store.YES,
Field.Index.ANALYZED));
storeVal = Field.Store.YES;
} else
storeVal = Field.Store.NO;
doc.add(newField("content1", contents, storeVal,
Field.Index.ANALYZED));
doc.add(newField("content3", "", Field.Store.YES,
Field.Index.ANALYZED));
doc.add(newField("content5", "", storeVal,
Field.Index.ANALYZED));
}
for(int j=0;j<4;j++)
writer.addDocument(doc);
writer.close();
IndexReader reader = IndexReader.open(dir, false);
reader.deleteDocument(delID++);
reader.close();
if (0 == i % 4) {
writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)));
//LogMergePolicy lmp2 = (LogMergePolicy) writer.getConfig().getMergePolicy();
//lmp2.setUseCompoundFile(false);
writer.forceMerge(1);
writer.close();
}
}
dir.close();
}
public void testNoWaitClose() throws Throwable {
Directory directory = newDirectory();
final Document doc = new Document();
Field idField = newField("id", "", Field.Store.YES, Field.Index.NOT_ANALYZED);
doc.add(idField);
for(int pass=0;pass<2;pass++) {
if (VERBOSE) {
System.out.println("TEST: pass=" + pass);
}
IndexWriterConfig conf = newIndexWriterConfig(
TEST_VERSION_CURRENT, new MockAnalyzer(random)).setOpenMode(OpenMode.CREATE)
.setMaxBufferedDocs(2).setMergePolicy(newLogMergePolicy());
if (pass == 2) {
conf.setMergeScheduler(new SerialMergeScheduler());
}
IndexWriter writer = new IndexWriter(directory, conf);
((LogMergePolicy) writer.getConfig().getMergePolicy()).setMergeFactor(100);
writer.setInfoStream(VERBOSE ? System.out : null);
// have to use compound file to prevent running out of
// descripters when newDirectory returns a file-system
// backed directory:
((LogMergePolicy) writer.getConfig().getMergePolicy()).setUseCompoundFile(true);
for(int iter=0;iter<10;iter++) {
if (VERBOSE) {
System.out.println("TEST: iter=" + iter);
}
for(int j=0;j<199;j++) {
idField.setValue(Integer.toString(iter*201+j));
writer.addDocument(doc);
}
int delID = iter*199;
for(int j=0;j<20;j++) {
writer.deleteDocuments(new Term("id", Integer.toString(delID)));
delID += 5;
}
// Force a bunch of merge threads to kick off so we
// stress out aborting them on close:
((LogMergePolicy) writer.getConfig().getMergePolicy()).setMergeFactor(2);
final IndexWriter finalWriter = writer;
final ArrayList<Throwable> failure = new ArrayList<Throwable>();
Thread t1 = new Thread() {
@Override
public void run() {
boolean done = false;
while(!done) {
for(int i=0;i<100;i++) {
try {
finalWriter.addDocument(doc);
} catch (AlreadyClosedException e) {
done = true;
break;
} catch (NullPointerException e) {
done = true;
break;
} catch (Throwable e) {
e.printStackTrace(System.out);
failure.add(e);
done = true;
break;
}
}
Thread.yield();
}
}
};
if (failure.size() > 0) {
throw failure.get(0);
}
t1.start();
writer.close(false);
t1.join();
// Make sure reader can read
IndexReader reader = IndexReader.open(directory, true);
reader.close();
// Reopen
writer = new IndexWriter(directory, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)).setOpenMode(OpenMode.APPEND).setMergePolicy(newLogMergePolicy()));
writer.setInfoStream(VERBOSE ? System.out : null);
}
writer.close();
}
directory.close();
}
// LUCENE-1084: test unlimited field length
public void testUnlimitedMaxFieldLength() throws IOException {
Directory dir = newDirectory();
IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)));
Document doc = new Document();
StringBuilder b = new StringBuilder();
for(int i=0;i<10000;i++)
b.append(" a");
b.append(" x");
doc.add(newField("field", b.toString(), Field.Store.NO, Field.Index.ANALYZED));
writer.addDocument(doc);
writer.close();
IndexReader reader = IndexReader.open(dir, true);
Term t = new Term("field", "x");
assertEquals(1, reader.docFreq(t));
reader.close();
dir.close();
}
// LUCENE-1084: test user-specified field length
public void testUserSpecifiedMaxFieldLength() throws IOException {
Directory dir = newDirectory();
IndexWriter writer = new IndexWriter(dir, new IndexWriterConfig(
TEST_VERSION_CURRENT, new WhitespaceAnalyzer(TEST_VERSION_CURRENT)));
writer.setMaxFieldLength(100000);
Document doc = new Document();
StringBuilder b = new StringBuilder();
for(int i=0;i<10000;i++)
b.append(" a");
b.append(" x");
doc.add(newField("field", b.toString(), Field.Store.NO, Field.Index.ANALYZED));
writer.addDocument(doc);
writer.close();
IndexReader reader = IndexReader.open(dir, true);
Term t = new Term("field", "x");
assertEquals(1, reader.docFreq(t));
reader.close();
dir.close();
}
// LUCENE-1179
public void testEmptyFieldName() throws IOException {
Directory dir = newDirectory();
IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)));
Document doc = new Document();
doc.add(newField("", "a b c", Field.Store.NO, Field.Index.ANALYZED));
writer.addDocument(doc);
writer.close();
dir.close();
}
// LUCENE-3526
public void testEmptyFieldNameTerms() throws IOException {
Directory dir = newDirectory();
IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)));
Document doc = new Document();
doc.add(newField("", "a b c", Field.Store.NO, Field.Index.ANALYZED));
writer.addDocument(doc);
writer.close();
IndexReader reader = IndexReader.open(dir, true);
IndexReader subreader = SegmentReader.getOnlySegmentReader(reader);
TermEnum te = subreader.terms();
assertTrue(te.next());
assertEquals(new Term("", "a"), te.term());
assertTrue(te.next());
assertEquals(new Term("", "b"), te.term());
assertTrue(te.next());
assertEquals(new Term("", "c"), te.term());
assertFalse(te.next());
reader.close();
dir.close();
}
public void testEmptyFieldNameEmptyTerm() throws IOException {
Directory dir = newDirectory();
IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)));
Document doc = new Document();
// TODO: why do we throw IAE: name and value cannot both be empty in Field ctor?!
doc.add(newField("", "", Field.Store.NO, Field.Index.NOT_ANALYZED));
doc.add(newField("", "a", Field.Store.NO, Field.Index.NOT_ANALYZED));
doc.add(newField("", "b", Field.Store.NO, Field.Index.NOT_ANALYZED));
doc.add(newField("", "c", Field.Store.NO, Field.Index.NOT_ANALYZED));
writer.addDocument(doc);
writer.close();
IndexReader reader = IndexReader.open(dir, true);
IndexReader subreader = SegmentReader.getOnlySegmentReader(reader);
TermEnum te = subreader.terms();
assertTrue(te.next());
assertEquals(new Term("", ""), te.term());
assertTrue(te.next());
assertEquals(new Term("", "a"), te.term());
assertTrue(te.next());
assertEquals(new Term("", "b"), te.term());
assertTrue(te.next());
assertEquals(new Term("", "c"), te.term());
assertFalse(te.next());
reader.close();
dir.close();
}
private static final class MockIndexWriter extends IndexWriter {
public MockIndexWriter(Directory dir, IndexWriterConfig conf) throws IOException {
super(dir, conf);
}
boolean afterWasCalled;
boolean beforeWasCalled;
@Override
public void doAfterFlush() {
afterWasCalled = true;
}
@Override
protected void doBeforeFlush() throws IOException {
beforeWasCalled = true;
}
}
// LUCENE-1222
public void testDoBeforeAfterFlush() throws IOException {
Directory dir = newDirectory();
MockIndexWriter w = new MockIndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)));
Document doc = new Document();
doc.add(newField("field", "a field", Field.Store.YES,
Field.Index.ANALYZED));
w.addDocument(doc);
w.commit();
assertTrue(w.beforeWasCalled);
assertTrue(w.afterWasCalled);
w.beforeWasCalled = false;
w.afterWasCalled = false;
w.deleteDocuments(new Term("field", "field"));
w.commit();
assertTrue(w.beforeWasCalled);
assertTrue(w.afterWasCalled);
w.close();
IndexReader ir = IndexReader.open(dir, true);
assertEquals(0, ir.numDocs());
ir.close();
dir.close();
}
// LUCENE-1255
public void testNegativePositions() throws Throwable {
final TokenStream tokens = new TokenStream() {
final CharTermAttribute termAtt = addAttribute(CharTermAttribute.class);
final PositionIncrementAttribute posIncrAtt = addAttribute(PositionIncrementAttribute.class);
final Iterator<String> terms = Arrays.asList("a","b","c").iterator();
boolean first = true;
@Override
public boolean incrementToken() {
if (!terms.hasNext()) return false;
clearAttributes();
termAtt.append(terms.next());
posIncrAtt.setPositionIncrement(first ? 0 : 1);
first = false;
return true;
}
};
Directory dir = newDirectory();
IndexWriter w = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)));
Document doc = new Document();
doc.add(new Field("field", tokens));
w.addDocument(doc);
w.commit();
IndexReader r = IndexReader.open(dir, false);
IndexSearcher s = new IndexSearcher(r);
PhraseQuery pq = new PhraseQuery();
pq.add(new Term("field", "a"));
pq.add(new Term("field", "b"));
pq.add(new Term("field", "c"));
ScoreDoc[] hits = s.search(pq, null, 1000).scoreDocs;
assertEquals(1, hits.length);
Query q = new SpanTermQuery(new Term("field", "a"));
hits = s.search(q, null, 1000).scoreDocs;
assertEquals(1, hits.length);
TermPositions tps = s.getIndexReader().termPositions(new Term("field", "a"));
assertTrue(tps.next());
assertEquals(1, tps.freq());
assertEquals(0, tps.nextPosition());
w.close();
s.close();
r.close();
dir.close();
}
// LUCENE-1219
public void testBinaryFieldOffsetLength() throws IOException {
Directory dir = newDirectory();
IndexWriter w = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)));
byte[] b = new byte[50];
for(int i=0;i<50;i++)
b[i] = (byte) (i+77);
Document doc = new Document();
Field f = new Field("binary", b, 10, 17);
byte[] bx = f.getBinaryValue();
assertTrue(bx != null);
assertEquals(50, bx.length);
assertEquals(10, f.getBinaryOffset());
assertEquals(17, f.getBinaryLength());
doc.add(f);
w.addDocument(doc);
w.close();
IndexReader ir = IndexReader.open(dir, true);
doc = ir.document(0);
f = doc.getField("binary");
b = f.getBinaryValue();
assertTrue(b != null);
assertEquals(17, b.length, 17);
assertEquals(87, b[0]);
ir.close();
dir.close();
}
// LUCENE-2529
public void testPositionIncrementGapEmptyField() throws Exception {
Directory dir = newDirectory();
Analyzer analyzer = new Analyzer(){
Analyzer a = new WhitespaceAnalyzer( TEST_VERSION_CURRENT );
@Override
public TokenStream tokenStream(String fieldName, Reader reader){
return a.tokenStream(fieldName, reader);
}
@Override
public int getPositionIncrementGap(String fieldName) {
return 100;
}
};
IndexWriter w = new IndexWriter(dir, newIndexWriterConfig(
TEST_VERSION_CURRENT, analyzer));
Document doc = new Document();
Field f = newField("field", "", Field.Store.NO,
Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS);
Field f2 = newField("field", "crunch man", Field.Store.NO,
Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS);
doc.add(f);
doc.add(f2);
w.addDocument(doc);
w.close();
IndexReader r = IndexReader.open(dir, true);
TermPositionVector tpv = ((TermPositionVector) r.getTermFreqVector(0, "field"));
int[] poss = tpv.getTermPositions(0);
assertEquals(1, poss.length);
assertEquals(100, poss[0]);
poss = tpv.getTermPositions(1);
assertEquals(1, poss.length);
assertEquals(101, poss[0]);
r.close();
dir.close();
}
// LUCENE-1468 -- make sure opening an IndexWriter with
// create=true does not remove non-index files
public void testOtherFiles() throws Throwable {
Directory dir = newDirectory();
try {
// Create my own random file:
IndexOutput out = dir.createOutput("myrandomfile");
out.writeByte((byte) 42);
out.close();
new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random))).close();
assertTrue(dir.fileExists("myrandomfile"));
// Make sure this does not copy myrandomfile:
Directory dir2 = new MockDirectoryWrapper(random, new RAMDirectory(dir));
assertTrue(!dir2.fileExists("myrandomfile"));
dir2.close();
} finally {
dir.close();
}
}
public void testDeadlock() throws Exception {
Directory dir = newDirectory();
IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)).setMaxBufferedDocs(2));
Document doc = new Document();
doc.add(newField("content", "aaa bbb ccc ddd eee fff ggg hhh iii", Field.Store.YES,
Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS_OFFSETS));
writer.addDocument(doc);
writer.addDocument(doc);
writer.addDocument(doc);
writer.commit();
// index has 2 segments
Directory dir2 = newDirectory();
IndexWriter writer2 = new IndexWriter(dir2, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)));
writer2.addDocument(doc);
writer2.close();
IndexReader r1 = IndexReader.open(dir2, true);
IndexReader r2 = (IndexReader) r1.clone();
writer.addIndexes(new IndexReader[] {r1, r2});
writer.close();
IndexReader r3 = IndexReader.open(dir, true);
assertEquals(5, r3.numDocs());
r3.close();
r1.close();
r2.close();
dir2.close();
dir.close();
}
private class IndexerThreadInterrupt extends Thread {
volatile boolean failed;
volatile boolean finish;
volatile boolean allowInterrupt = false;
@Override
public void run() {
// LUCENE-2239: won't work with NIOFS/MMAP
Directory dir = new MockDirectoryWrapper(random, new RAMDirectory());
IndexWriter w = null;
while(!finish) {
try {
while(!finish) {
if (w != null) {
w.close();
w = null;
}
IndexWriterConfig conf = newIndexWriterConfig(
TEST_VERSION_CURRENT, new MockAnalyzer(random)).setMaxBufferedDocs(2);
w = new IndexWriter(dir, conf);
w.setInfoStream(VERBOSE ? System.out : null);
Document doc = new Document();
doc.add(newField("field", "some text contents", Field.Store.YES, Field.Index.ANALYZED));
for(int i=0;i<100;i++) {
w.addDocument(doc);
if (i%10 == 0) {
w.commit();
}
}
w.close();
w = null;
_TestUtil.checkIndex(dir);
IndexReader.open(dir, true).close();
// Strangely, if we interrupt a thread before
// all classes are loaded, the class loader
// seems to do scary things with the interrupt
// status. In java 1.5, it'll throw an
// incorrect ClassNotFoundException. In java
// 1.6, it'll silently clear the interrupt.
// So, on first iteration through here we
// don't open ourselves up for interrupts
// until we've done the above loop.
allowInterrupt = true;
}
} catch (ThreadInterruptedException re) {
if (VERBOSE) {
System.out.println("TEST: got interrupt");
re.printStackTrace(System.out);
}
Throwable e = re.getCause();
assertTrue(e instanceof InterruptedException);
if (finish) {
break;
}
} catch (Throwable t) {
System.out.println("FAILED; unexpected exception");
t.printStackTrace(System.out);
failed = true;
break;
}
}
if (!failed) {
// clear interrupt state:
Thread.interrupted();
if (w != null) {
try {
w.rollback();
} catch (IOException ioe) {
throw new RuntimeException(ioe);
}
}
try {
_TestUtil.checkIndex(dir);
} catch (Exception e) {
failed = true;
System.out.println("CheckIndex FAILED: unexpected exception");
e.printStackTrace(System.out);
}
try {
IndexReader r = IndexReader.open(dir, true);
//System.out.println("doc count=" + r.numDocs());
r.close();
} catch (Exception e) {
failed = true;
System.out.println("IndexReader.open FAILED: unexpected exception");
e.printStackTrace(System.out);
}
}
try {
dir.close();
} catch (IOException e) {
throw new RuntimeException(e);
}
}
}
public void testThreadInterruptDeadlock() throws Exception {
IndexerThreadInterrupt t = new IndexerThreadInterrupt();
t.setDaemon(true);
t.start();
// Force class loader to load ThreadInterruptedException
// up front... else we can see a false failure if 2nd
// interrupt arrives while class loader is trying to
// init this class (in servicing a first interrupt):
assertTrue(new ThreadInterruptedException(new InterruptedException()).getCause() instanceof InterruptedException);
// issue 100 interrupts to child thread
int i = 0;
while(i < 100) {
Thread.sleep(10);
if (t.allowInterrupt) {
i++;
t.interrupt();
}
if (!t.isAlive()) {
break;
}
}
t.finish = true;
t.join();
assertFalse(t.failed);
}
public void testIndexStoreCombos() throws Exception {
Directory dir = newDirectory();
IndexWriter w = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)));
byte[] b = new byte[50];
for(int i=0;i<50;i++)
b[i] = (byte) (i+77);
Document doc = new Document();
Field f = new Field("binary", b, 10, 17);
f.setTokenStream(new WhitespaceTokenizer(TEST_VERSION_CURRENT, new StringReader("doc1field1")));
Field f2 = newField("string", "value", Field.Store.YES,Field.Index.ANALYZED);
f2.setTokenStream(new WhitespaceTokenizer(TEST_VERSION_CURRENT, new StringReader("doc1field2")));
doc.add(f);
doc.add(f2);
w.addDocument(doc);
// add 2 docs to test in-memory merging
f.setTokenStream(new WhitespaceTokenizer(TEST_VERSION_CURRENT, new StringReader("doc2field1")));
f2.setTokenStream(new WhitespaceTokenizer(TEST_VERSION_CURRENT, new StringReader("doc2field2")));
w.addDocument(doc);
// force segment flush so we can force a segment merge with doc3 later.
w.commit();
f.setTokenStream(new WhitespaceTokenizer(TEST_VERSION_CURRENT, new StringReader("doc3field1")));
f2.setTokenStream(new WhitespaceTokenizer(TEST_VERSION_CURRENT, new StringReader("doc3field2")));
w.addDocument(doc);
w.commit();
w.forceMerge(1); // force segment merge.
w.close();
IndexReader ir = IndexReader.open(dir, true);
doc = ir.document(0);
f = doc.getField("binary");
b = f.getBinaryValue();
assertTrue(b != null);
assertEquals(17, b.length, 17);
assertEquals(87, b[0]);
assertTrue(ir.document(0).getFieldable("binary").isBinary());
assertTrue(ir.document(1).getFieldable("binary").isBinary());
assertTrue(ir.document(2).getFieldable("binary").isBinary());
assertEquals("value", ir.document(0).get("string"));
assertEquals("value", ir.document(1).get("string"));
assertEquals("value", ir.document(2).get("string"));
// test that the terms were indexed.
assertTrue(ir.termDocs(new Term("binary","doc1field1")).next());
assertTrue(ir.termDocs(new Term("binary","doc2field1")).next());
assertTrue(ir.termDocs(new Term("binary","doc3field1")).next());
assertTrue(ir.termDocs(new Term("string","doc1field2")).next());
assertTrue(ir.termDocs(new Term("string","doc2field2")).next());
assertTrue(ir.termDocs(new Term("string","doc3field2")).next());
ir.close();
dir.close();
}
// LUCENE-1727: make sure doc fields are stored in order
public void testStoredFieldsOrder() throws Throwable {
Directory d = newDirectory();
IndexWriter w = new IndexWriter(d, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)));
Document doc = new Document();
doc.add(newField("zzz", "a b c", Field.Store.YES, Field.Index.NO));
doc.add(newField("aaa", "a b c", Field.Store.YES, Field.Index.NO));
doc.add(newField("zzz", "1 2 3", Field.Store.YES, Field.Index.NO));
w.addDocument(doc);
IndexReader r = w.getReader();
doc = r.document(0);
Iterator<Fieldable> it = doc.getFields().iterator();
assertTrue(it.hasNext());
Field f = (Field) it.next();
assertEquals(f.name(), "zzz");
assertEquals(f.stringValue(), "a b c");
assertTrue(it.hasNext());
f = (Field) it.next();
assertEquals(f.name(), "aaa");
assertEquals(f.stringValue(), "a b c");
assertTrue(it.hasNext());
f = (Field) it.next();
assertEquals(f.name(), "zzz");
assertEquals(f.stringValue(), "1 2 3");
assertFalse(it.hasNext());
r.close();
w.close();
d.close();
}
public void testNoDocsIndex() throws Throwable {
Directory dir = newDirectory();
IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig(
TEST_VERSION_CURRENT, new MockAnalyzer(random)));
ByteArrayOutputStream bos = new ByteArrayOutputStream(1024);
writer.setInfoStream(new PrintStream(bos));
writer.addDocument(new Document());
writer.close();
dir.close();
}
public void testDeleteUnusedFiles() throws Exception {
for(int iter=0;iter<2;iter++) {
Directory dir = newDirectory();
LogMergePolicy mergePolicy = newLogMergePolicy(true);
mergePolicy.setNoCFSRatio(1); // This test expects all of its segments to be in CFS
IndexWriter w = new IndexWriter(
dir,
newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)).
setMergePolicy(mergePolicy)
);
Document doc = new Document();
doc.add(newField("field", "go", Field.Store.NO, Field.Index.ANALYZED));
w.addDocument(doc);
IndexReader r;
if (iter == 0) {
// use NRT
r = w.getReader();
} else {
// don't use NRT
w.commit();
r = IndexReader.open(dir);
}
List<String> files = Arrays.asList(dir.listAll());
assertTrue(files.contains("_0.cfs"));
w.addDocument(doc);
w.forceMerge(1);
if (iter == 1) {
w.commit();
}
IndexReader r2 = IndexReader.openIfChanged(r);
assertNotNull(r2);
assertTrue(r != r2);
files = Arrays.asList(dir.listAll());
// NOTE: here we rely on "Windows" behavior, ie, even
// though IW wanted to delete _0.cfs since it was
// merged away, because we have a reader open
// against this file, it should still be here:
assertTrue(files.contains("_0.cfs"));
// forceMerge created this
//assertTrue(files.contains("_2.cfs"));
w.deleteUnusedFiles();
files = Arrays.asList(dir.listAll());
// r still holds this file open
assertTrue(files.contains("_0.cfs"));
//assertTrue(files.contains("_2.cfs"));
r.close();
if (iter == 0) {
// on closing NRT reader, it calls writer.deleteUnusedFiles
files = Arrays.asList(dir.listAll());
assertFalse(files.contains("_0.cfs"));
} else {
// now writer can remove it
w.deleteUnusedFiles();
files = Arrays.asList(dir.listAll());
assertFalse(files.contains("_0.cfs"));
}
//assertTrue(files.contains("_2.cfs"));
w.close();
r2.close();
dir.close();
}
}
public void testDeleteUnsedFiles2() throws Exception {
// Validates that iw.deleteUnusedFiles() also deletes unused index commits
// in case a deletion policy which holds onto commits is used.
Directory dir = newDirectory();
SnapshotDeletionPolicy sdp = new SnapshotDeletionPolicy(new KeepOnlyLastCommitDeletionPolicy());
IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig(
TEST_VERSION_CURRENT, new MockAnalyzer(random))
.setIndexDeletionPolicy(sdp));
// First commit
Document doc = new Document();
doc.add(newField("c", "val", Store.YES, Index.ANALYZED, TermVector.WITH_POSITIONS_OFFSETS));
writer.addDocument(doc);
writer.commit();
assertEquals(1, IndexReader.listCommits(dir).size());
// Keep that commit
sdp.snapshot("id");
// Second commit - now KeepOnlyLastCommit cannot delete the prev commit.
doc = new Document();
doc.add(newField("c", "val", Store.YES, Index.ANALYZED, TermVector.WITH_POSITIONS_OFFSETS));
writer.addDocument(doc);
writer.commit();
assertEquals(2, IndexReader.listCommits(dir).size());
// Should delete the unreferenced commit
sdp.release("id");
writer.deleteUnusedFiles();
assertEquals(1, IndexReader.listCommits(dir).size());
writer.close();
dir.close();
}
private static class FlushCountingIndexWriter extends IndexWriter {
int flushCount;
public FlushCountingIndexWriter(Directory dir, IndexWriterConfig iwc) throws IOException {
super(dir, iwc);
}
@Override
public void doAfterFlush() {
flushCount++;
}
}
public void testEmptyFSDirWithNoLock() throws Exception {
// Tests that if FSDir is opened w/ a NoLockFactory (or SingleInstanceLF),
// then IndexWriter ctor succeeds. Previously (LUCENE-2386) it failed
// when listAll() was called in IndexFileDeleter.
Directory dir = newFSDirectory(_TestUtil.getTempDir("emptyFSDirNoLock"), NoLockFactory.getNoLockFactory());
new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random))).close();
dir.close();
}
public void testEmptyDirRollback() throws Exception {
// Tests that if IW is created over an empty Directory, some documents are
// indexed, flushed (but not committed) and then IW rolls back, then no
// files are left in the Directory.
Directory dir = newDirectory();
IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig(
TEST_VERSION_CURRENT, new MockAnalyzer(random))
.setMaxBufferedDocs(2).setMergePolicy(newLogMergePolicy()));
String[] files = dir.listAll();
writer.setInfoStream(VERBOSE ? System.out : null);
// Creating over empty dir should not create any files,
// or, at most the write.lock file
final int extraFileCount;
if (files.length == 1) {
assertTrue(files[0].endsWith("write.lock"));
extraFileCount = 1;
} else {
assertEquals(0, files.length);
extraFileCount = 0;
}
Document doc = new Document();
// create as many files as possible
doc.add(newField("c", "val", Store.YES, Index.ANALYZED, TermVector.WITH_POSITIONS_OFFSETS));
writer.addDocument(doc);
// Adding just one document does not call flush yet.
assertEquals("only the stored and term vector files should exist in the directory", 5 + extraFileCount, dir.listAll().length);
doc = new Document();
doc.add(newField("c", "val", Store.YES, Index.ANALYZED, TermVector.WITH_POSITIONS_OFFSETS));
writer.addDocument(doc);
// The second document should cause a flush.
assertTrue("flush should have occurred and files should have been created", dir.listAll().length > 5 + extraFileCount);
// After rollback, IW should remove all files
writer.rollback();
assertEquals("no files should exist in the directory after rollback", 0, dir.listAll().length);
// Since we rolled-back above, that close should be a no-op
writer.close();
assertEquals("expected a no-op close after IW.rollback()", 0, dir.listAll().length);
dir.close();
}
public void testNoSegmentFile() throws IOException {
Directory dir = newDirectory();
dir.setLockFactory(NoLockFactory.getNoLockFactory());
IndexWriter w = new IndexWriter(dir, newIndexWriterConfig(
TEST_VERSION_CURRENT, new MockAnalyzer(random)).setMaxBufferedDocs(2));
Document doc = new Document();
doc.add(newField("c", "val", Store.YES, Index.ANALYZED, TermVector.WITH_POSITIONS_OFFSETS));
w.addDocument(doc);
w.addDocument(doc);
IndexWriter w2 = new IndexWriter(dir, newIndexWriterConfig(
TEST_VERSION_CURRENT, new MockAnalyzer(random)).setMaxBufferedDocs(2)
.setOpenMode(OpenMode.CREATE));
w2.close();
w.rollback();
dir.close();
}
public void testRandomStoredFields() throws IOException {
Directory dir = newDirectory();
Random rand = random;
RandomIndexWriter w = new RandomIndexWriter(rand, dir, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)).setMaxBufferedDocs(_TestUtil.nextInt(rand, 5, 20)));
//w.w.setInfoStream(System.out);
//w.w.setUseCompoundFile(false);
if (VERBOSE) {
w.w.setInfoStream(System.out);
}
final int docCount = atLeast(200);
final int fieldCount = _TestUtil.nextInt(rand, 1, 5);
final List<Integer> fieldIDs = new ArrayList<Integer>();
Field idField = newField("id", "", Field.Store.YES, Field.Index.NOT_ANALYZED);
for(int i=0;i<fieldCount;i++) {
fieldIDs.add(i);
}
final Map<String,Document> docs = new HashMap<String,Document>();
if (VERBOSE) {
System.out.println("TEST: build index docCount=" + docCount);
}
for(int i=0;i<docCount;i++) {
Document doc = new Document();
doc.add(idField);
final String id = ""+i;
idField.setValue(id);
docs.put(id, doc);
for(int field: fieldIDs) {
final String s;
if (rand.nextInt(4) != 3) {
s = _TestUtil.randomUnicodeString(rand, 1000);
doc.add(newField("f"+field, s, Field.Store.YES, Field.Index.NO));
} else {
s = null;
}
}
w.addDocument(doc);
if (rand.nextInt(50) == 17) {
// mixup binding of field name -> Number every so often
Collections.shuffle(fieldIDs);
}
if (rand.nextInt(5) == 3 && i > 0) {
final String delID = ""+rand.nextInt(i);
if (VERBOSE) {
System.out.println("TEST: delete doc " + delID);
}
w.deleteDocuments(new Term("id", delID));
docs.remove(delID);
}
}
if (VERBOSE) {
System.out.println("TEST: " + docs.size() + " docs in index; now load fields");
}
if (docs.size() > 0) {
String[] idsList = docs.keySet().toArray(new String[docs.size()]);
for(int x=0;x<2;x++) {
IndexReader r = w.getReader();
IndexSearcher s = newSearcher(r);
if (VERBOSE) {
System.out.println("TEST: cycle x=" + x + " r=" + r);
}
int num = atLeast(1000);
for(int iter=0;iter<num;iter++) {
String testID = idsList[rand.nextInt(idsList.length)];
TopDocs hits = s.search(new TermQuery(new Term("id", testID)), 1);
assertEquals(1, hits.totalHits);
Document doc = r.document(hits.scoreDocs[0].doc);
Document docExp = docs.get(testID);
for(int i=0;i<fieldCount;i++) {
assertEquals("doc " + testID + ", field f" + fieldCount + " is wrong", docExp.get("f"+i), doc.get("f"+i));
}
}
s.close();
r.close();
w.forceMerge(1);
}
}
w.close();
dir.close();
}
public void testNoUnwantedTVFiles() throws Exception {
Directory dir = newDirectory();
IndexWriter indexWriter = new IndexWriter(dir, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)).setRAMBufferSizeMB(0.01).setMergePolicy(newLogMergePolicy()));
((LogMergePolicy) indexWriter.getConfig().getMergePolicy()).setUseCompoundFile(false);
String BIG="alskjhlaksjghlaksjfhalksvjepgjioefgjnsdfjgefgjhelkgjhqewlrkhgwlekgrhwelkgjhwelkgrhwlkejg";
BIG=BIG+BIG+BIG+BIG;
for (int i=0; i<2; i++) {
Document doc = new Document();
doc.add(new Field("id", Integer.toString(i)+BIG, Field.Store.YES, Field.Index.NOT_ANALYZED_NO_NORMS));
doc.add(new Field("str", Integer.toString(i)+BIG, Field.Store.YES, Field.Index.NOT_ANALYZED));
doc.add(new Field("str2", Integer.toString(i)+BIG, Field.Store.YES, Field.Index.ANALYZED));
doc.add(new Field("str3", Integer.toString(i)+BIG, Field.Store.YES, Field.Index.ANALYZED_NO_NORMS));
indexWriter.addDocument(doc);
}
indexWriter.close();
assertNoUnreferencedFiles(dir, "no tv files");
String[] files = dir.listAll();
for(String file : files) {
assertTrue(!file.endsWith(IndexFileNames.VECTORS_FIELDS_EXTENSION));
assertTrue(!file.endsWith(IndexFileNames.VECTORS_INDEX_EXTENSION));
assertTrue(!file.endsWith(IndexFileNames.VECTORS_DOCUMENTS_EXTENSION));
}
dir.close();
}
static final class StringSplitAnalyzer extends Analyzer {
@Override
public TokenStream tokenStream(String fieldName, Reader reader) {
return new StringSplitTokenizer(reader);
}
}
private static class StringSplitTokenizer extends Tokenizer {
private String[] tokens;
private int upto;
private final CharTermAttribute termAtt = addAttribute(CharTermAttribute.class);
public StringSplitTokenizer(Reader r) {
try {
reset(r);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
@Override
public final boolean incrementToken() throws IOException {
clearAttributes();
if (upto < tokens.length) {
termAtt.setEmpty();
termAtt.append(tokens[upto]);
upto++;
return true;
} else {
return false;
}
}
@Override
public void reset(Reader input) throws IOException {
this.upto = 0;
final StringBuilder b = new StringBuilder();
final char[] buffer = new char[1024];
int n;
while ((n = input.read(buffer)) != -1) {
b.append(buffer, 0, n);
}
this.tokens = b.toString().split(" ");
}
}
// LUCENE-3183
public void testEmptyFieldNameTIIOne() throws IOException {
Directory dir = newDirectory();
IndexWriterConfig iwc = newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random));
iwc.setTermIndexInterval(1);
iwc.setReaderTermsIndexDivisor(1);
IndexWriter writer = new IndexWriter(dir, iwc);
Document doc = new Document();
doc.add(newField("", "a b c", Field.Store.NO, Field.Index.ANALYZED));
writer.addDocument(doc);
final IndexReader r = IndexReader.open(writer, true);
writer.close();
r.terms(new Term("", ""));
r.terms(new Term("", ""));
r.terms(new Term("", "a"));
r.terms(new Term("", ""));
r.close();
dir.close();
}
public void testDeleteAllNRTLeftoverFiles() throws Exception {
Directory d = new MockDirectoryWrapper(random, new RAMDirectory());
IndexWriter w = new IndexWriter(d, new IndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)));
Document doc = new Document();
for(int i = 0; i < 20; i++) {
for(int j = 0; j < 100; ++j) {
w.addDocument(doc);
}
w.commit();
IndexReader.open(w, true).close();
w.deleteAll();
w.commit();
// Make sure we accumulate no files except for empty
// segments_N and segments.gen:
assertTrue(d.listAll().length <= 2);
}
w.close();
d.close();
}
public void testNRTReaderVersion() throws Exception {
Directory d = new MockDirectoryWrapper(random, new RAMDirectory());
IndexWriter w = new IndexWriter(d, new IndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)));
Document doc = new Document();
doc.add(newField("id", "0", Field.Store.YES, Field.Index.ANALYZED));
w.addDocument(doc);
IndexReader r = w.getReader();
long version = r.getVersion();
r.close();
w.addDocument(doc);
r = w.getReader();
long version2 = r.getVersion();
r.close();
assert(version2 > version);
w.deleteDocuments(new Term("id", "0"));
r = w.getReader();
w.close();
long version3 = r.getVersion();
r.close();
assert(version3 > version2);
d.close();
}
}