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.Reader;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
import org.apache.lucene.analysis.*;
import org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
import org.apache.lucene.analysis.tokenattributes.PositionIncrementAttribute;
import org.apache.lucene.codecs.Codec;
import org.apache.lucene.codecs.simpletext.SimpleTextCodec;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.document.FieldType;
import org.apache.lucene.document.StoredField;
import org.apache.lucene.document.StringField;
import org.apache.lucene.document.TextField;
import org.apache.lucene.index.FieldInfo.IndexOptions;
import org.apache.lucene.index.IndexWriterConfig.OpenMode;
import org.apache.lucene.search.DocIdSetIterator;
import org.apache.lucene.search.FieldCache;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.ScoreDoc;
import org.apache.lucene.search.TermQuery;
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.LockObtainFailedException;
import org.apache.lucene.store.MockDirectoryWrapper;
import org.apache.lucene.store.NoLockFactory;
import org.apache.lucene.store.RAMDirectory;
import org.apache.lucene.store.SimpleFSLockFactory;
import org.apache.lucene.store.SingleInstanceLockFactory;
import org.apache.lucene.util.BytesRef;
import org.apache.lucene.util.LuceneTestCase;
import org.apache.lucene.util.ThreadInterruptedException;
import org.apache.lucene.util._TestUtil;
import org.apache.lucene.util.packed.PackedInts;
public class TestIndexWriter extends LuceneTestCase {
private static final FieldType storedTextType = new FieldType(TextField.TYPE_NOT_STORED);
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++) {
addDocWithIndex(writer,i);
}
assertEquals(100, writer.maxDoc());
writer.close();
// delete 40 documents
writer = new IndexWriter(dir, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random())).setMergePolicy(NoMergePolicy.NO_COMPOUND_FILES));
for (i = 0; i < 40; i++) {
writer.deleteDocuments(new Term("id", ""+i));
}
writer.close();
reader = DirectoryReader.open(dir);
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 = DirectoryReader.open(dir);
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(newTextField("content", "aaa", Field.Store.NO));
writer.addDocument(doc);
}
static void addDocWithIndex(IndexWriter writer, int index) throws IOException
{
Document doc = new Document();
doc.add(newField("content", "aaa " + index, storedTextType));
doc.add(newField("id", "" + index, storedTextType));
writer.addDocument(doc);
}
public static void assertNoUnreferencedFiles(Directory dir, String message) throws IOException {
String[] startFiles = dir.listAll();
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));
}
}
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 = DirectoryReader.open(dir);
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 = DirectoryReader.open(dir);
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 {
Directory dir = newDirectory();
IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random())));
writer.commit();
writer.close();
IndexReader reader = DirectoryReader.open(dir);
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 = DirectoryReader.open(dir);
assertEquals(0, reader.maxDoc());
assertEquals(0, reader.numDocs());
reader.close();
dir.close();
}
public void testManyFields() throws IOException {
Directory 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, storedTextType));
doc.add(newField("b"+j, "aaa" + j, storedTextType));
doc.add(newField("c"+j, "aaa" + j, storedTextType));
doc.add(newField("d"+j, "aaa", storedTextType));
doc.add(newField("e"+j, "aaa", storedTextType));
doc.add(newField("f"+j, "aaa", storedTextType));
writer.addDocument(doc);
}
writer.close();
IndexReader reader = DirectoryReader.open(dir);
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 {
Directory 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, storedTextType));
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
public void testChangingRAMBuffer() 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, storedTextType));
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 testChangingRAMBuffer2() 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, storedTextType));
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("" + j, 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 {
Directory dir = newDirectory();
IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random())).setRAMBufferSizeMB(0.5));
int n = atLeast(1);
for(int i=0;i<n;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()), storedTextType));
}
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", storedTextType));
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, storedTextType));
writer.addDocument(doc);
}
}
writer.close();
IndexReader reader = DirectoryReader.open(dir);
IndexSearcher searcher = new IndexSearcher(reader);
int totalHits = searcher.search(new TermQuery(new Term("field", "aaa")), null, 1).totalHits;
assertEquals(n*100, totalHits);
reader.close();
dir.close();
}
public void testEnablingNorms() throws IOException {
Directory dir = newDirectory();
IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random())).setMaxBufferedDocs(10));
// Enable norms for only 1 doc, pre flush
FieldType customType = new FieldType(TextField.TYPE_STORED);
customType.setOmitNorms(true);
for(int j=0;j<10;j++) {
Document doc = new Document();
Field f = null;
if (j != 8) {
f = newField("field", "aaa", customType);
}
else {
f = newField("field", "aaa", storedTextType);
}
doc.add(f);
writer.addDocument(doc);
}
writer.close();
Term searchTerm = new Term("field", "aaa");
IndexReader reader = DirectoryReader.open(dir);
IndexSearcher searcher = new IndexSearcher(reader);
ScoreDoc[] hits = searcher.search(new TermQuery(searchTerm), null, 1000).scoreDocs;
assertEquals(10, hits.length);
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 = null;
if (j != 26) {
f = newField("field", "aaa", customType);
}
else {
f = newField("field", "aaa", storedTextType);
}
doc.add(f);
writer.addDocument(doc);
}
writer.close();
reader = DirectoryReader.open(dir);
searcher = new IndexSearcher(reader);
hits = searcher.search(new TermQuery(searchTerm), null, 1000).scoreDocs;
assertEquals(27, hits.length);
reader.close();
reader = DirectoryReader.open(dir);
reader.close();
dir.close();
}
public void testHighFreqTerm() throws IOException {
Directory 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();
FieldType customType = new FieldType(TextField.TYPE_STORED);
customType.setStoreTermVectors(true);
customType.setStoreTermVectorPositions(true);
customType.setStoreTermVectorOffsets(true);
doc.add(newField("field", b.toString(), customType));
writer.addDocument(doc);
writer.close();
IndexReader reader = DirectoryReader.open(dir);
assertEquals(1, reader.maxDoc());
assertEquals(1, reader.numDocs());
Term t = new Term("field", "a");
assertEquals(1, reader.docFreq(t));
DocsEnum td = _TestUtil.docs(random(), reader,
"field",
new BytesRef("a"),
MultiFields.getLiveDocs(reader),
null,
DocsEnum.FLAG_FREQS);
td.nextDoc();
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 = DirectoryReader.open(dir);
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);
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();
FieldType customType = new FieldType(TextField.TYPE_STORED);
customType.setStoreTermVectors(true);
customType.setStoreTermVectorPositions(true);
customType.setStoreTermVectorOffsets(true);
doc.add(newField("field", "aaa", customType));
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())));
Document doc = new Document();
FieldType customType = new FieldType(TextField.TYPE_STORED);
customType.setStoreTermVectors(true);
customType.setStoreTermVectorPositions(true);
customType.setStoreTermVectorOffsets(true);
doc.add(newField("field", "aaa", customType));
writer.addDocument(doc);
writer.commit();
if (VERBOSE) {
System.out.println("\nTEST: now add empty doc");
}
writer.addDocument(new Document());
writer.close();
IndexReader reader = DirectoryReader.open(dir);
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.
*/
public void testBadSegment() throws IOException {
Directory dir = newDirectory();
IndexWriter iw = new IndexWriter(dir, newIndexWriterConfig(
TEST_VERSION_CURRENT, new MockAnalyzer(random())));
Document document = new Document();
FieldType customType = new FieldType(TextField.TYPE_NOT_STORED);
customType.setStoreTermVectors(true);
document.add(newField("tvtest", "", customType));
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();
FieldType customType = new FieldType(TextField.TYPE_NOT_STORED);
customType.setStoreTermVectors(true);
document.add(newField("tvtest", "a b c", customType));
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);
}
}
public void testVariableSchema() throws Exception {
Directory dir = newDirectory();
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()));
//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";
FieldType customType = new FieldType(TextField.TYPE_STORED);
FieldType type = null;
if (i == 7) {
// Add empty docs here
doc.add(newTextField("content3", "", Field.Store.NO));
} else {
if (i%2 == 0) {
doc.add(newField("content4", contents, customType));
type = customType;
} else
type = TextField.TYPE_NOT_STORED;
doc.add(newTextField("content1", contents, Field.Store.NO));
doc.add(newField("content3", "", customType));
doc.add(newField("content5", "", type));
}
for(int j=0;j<4;j++)
writer.addDocument(doc);
writer.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();
}
// 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(newTextField("field", b.toString(), Field.Store.NO));
writer.addDocument(doc);
writer.close();
IndexReader reader = DirectoryReader.open(dir);
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(newTextField("", "a b c", Field.Store.NO));
writer.addDocument(doc);
writer.close();
dir.close();
}
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(newTextField("", "a b c", Field.Store.NO));
writer.addDocument(doc);
writer.close();
DirectoryReader reader = DirectoryReader.open(dir);
AtomicReader subreader = getOnlySegmentReader(reader);
TermsEnum te = subreader.fields().terms("").iterator(null);
assertEquals(new BytesRef("a"), te.next());
assertEquals(new BytesRef("b"), te.next());
assertEquals(new BytesRef("c"), te.next());
assertNull(te.next());
reader.close();
dir.close();
}
public void testEmptyFieldNameWithEmptyTerm() throws IOException {
Directory dir = newDirectory();
IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random())));
Document doc = new Document();
doc.add(newStringField("", "", Field.Store.NO));
doc.add(newStringField("", "a", Field.Store.NO));
doc.add(newStringField("", "b", Field.Store.NO));
doc.add(newStringField("", "c", Field.Store.NO));
writer.addDocument(doc);
writer.close();
DirectoryReader reader = DirectoryReader.open(dir);
AtomicReader subreader = getOnlySegmentReader(reader);
TermsEnum te = subreader.fields().terms("").iterator(null);
assertEquals(new BytesRef(""), te.next());
assertEquals(new BytesRef("a"), te.next());
assertEquals(new BytesRef("b"), te.next());
assertEquals(new BytesRef("c"), te.next());
assertNull(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() {
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();
FieldType customType = new FieldType(TextField.TYPE_STORED);
doc.add(newField("field", "a field", customType));
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 = DirectoryReader.open(dir);
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 TextField("field", tokens));
try {
w.addDocument(doc);
fail("did not hit expected exception");
} catch (IllegalArgumentException iea) {
// expected
}
w.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 StoredField("binary", b, 10, 17);
byte[] bx = f.binaryValue().bytes;
assertTrue(bx != null);
assertEquals(50, bx.length);
assertEquals(10, f.binaryValue().offset);
assertEquals(17, f.binaryValue().length);
doc.add(f);
w.addDocument(doc);
w.close();
IndexReader ir = DirectoryReader.open(dir);
Document doc2 = ir.document(0);
IndexableField f2 = doc2.getField("binary");
b = f2.binaryValue().bytes;
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();
MockAnalyzer analyzer = new MockAnalyzer(random());
analyzer.setPositionIncrementGap( 100 );
IndexWriter w = new IndexWriter(dir, newIndexWriterConfig(
TEST_VERSION_CURRENT, analyzer));
Document doc = new Document();
FieldType customType = new FieldType(TextField.TYPE_NOT_STORED);
customType.setStoreTermVectors(true);
customType.setStoreTermVectorPositions(true);
Field f = newField("field", "", customType);
Field f2 = newField("field", "crunch man", customType);
doc.add(f);
doc.add(f2);
w.addDocument(doc);
w.close();
IndexReader r = DirectoryReader.open(dir);
Terms tpv = r.getTermVectors(0).terms("field");
TermsEnum termsEnum = tpv.iterator(null);
assertNotNull(termsEnum.next());
DocsAndPositionsEnum dpEnum = termsEnum.docsAndPositions(null, null);
assertNotNull(dpEnum);
assertTrue(dpEnum.nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
assertEquals(1, dpEnum.freq());
assertEquals(100, dpEnum.nextPosition());
assertNotNull(termsEnum.next());
dpEnum = termsEnum.docsAndPositions(null, dpEnum);
assertNotNull(dpEnum);
assertTrue(dpEnum.nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
assertEquals(1, dpEnum.freq());
assertEquals(101, dpEnum.nextPosition());
assertNull(termsEnum.next());
r.close();
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();
FieldType customType = new FieldType(TextField.TYPE_STORED);
customType.setStoreTermVectors(true);
customType.setStoreTermVectorPositions(true);
customType.setStoreTermVectorOffsets(true);
doc.add(newField("content", "aaa bbb ccc ddd eee fff ggg hhh iii", customType));
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 = DirectoryReader.open(dir2);
writer.addIndexes(r1, r1);
writer.close();
IndexReader r3 = DirectoryReader.open(dir);
assertEquals(5, r3.numDocs());
r3.close();
r1.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);
Document doc = new Document();
doc.add(newField("field", "some text contents", storedTextType));
for(int i=0;i<100;i++) {
w.addDocument(doc);
if (i%10 == 0) {
w.commit();
}
}
w.close();
w = null;
DirectoryReader.open(dir).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 (true || 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 = DirectoryReader.open(dir);
//System.out.println("doc count=" + r.numDocs());
r.close();
} catch (Exception e) {
failed = true;
System.out.println("DirectoryReader.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();
FieldType customType = new FieldType(StoredField.TYPE);
customType.setTokenized(true);
Field f = new Field("binary", b, 10, 17, customType);
customType.setIndexed(true);
f.setTokenStream(new MockTokenizer(new StringReader("doc1field1"), MockTokenizer.WHITESPACE, false));
FieldType customType2 = new FieldType(TextField.TYPE_STORED);
Field f2 = newField("string", "value", customType2);
f2.setTokenStream(new MockTokenizer(new StringReader("doc1field2"), MockTokenizer.WHITESPACE, false));
doc.add(f);
doc.add(f2);
w.addDocument(doc);
// add 2 docs to test in-memory merging
f.setTokenStream(new MockTokenizer(new StringReader("doc2field1"), MockTokenizer.WHITESPACE, false));
f2.setTokenStream(new MockTokenizer(new StringReader("doc2field2"), MockTokenizer.WHITESPACE, false));
w.addDocument(doc);
// force segment flush so we can force a segment merge with doc3 later.
w.commit();
f.setTokenStream(new MockTokenizer(new StringReader("doc3field1"), MockTokenizer.WHITESPACE, false));
f2.setTokenStream(new MockTokenizer(new StringReader("doc3field2"), MockTokenizer.WHITESPACE, false));
w.addDocument(doc);
w.commit();
w.forceMerge(1); // force segment merge.
w.close();
IndexReader ir = DirectoryReader.open(dir);
Document doc2 = ir.document(0);
IndexableField f3 = doc2.getField("binary");
b = f3.binaryValue().bytes;
assertTrue(b != null);
assertEquals(17, b.length, 17);
assertEquals(87, b[0]);
assertTrue(ir.document(0).getField("binary").binaryValue()!=null);
assertTrue(ir.document(1).getField("binary").binaryValue()!=null);
assertTrue(ir.document(2).getField("binary").binaryValue()!=null);
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(_TestUtil.docs(random(), ir, "binary", new BytesRef("doc1field1"), null, null, 0).nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
assertTrue(_TestUtil.docs(random(), ir, "binary", new BytesRef("doc2field1"), null, null, 0).nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
assertTrue(_TestUtil.docs(random(), ir, "binary", new BytesRef("doc3field1"), null, null, 0).nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
assertTrue(_TestUtil.docs(random(), ir, "string", new BytesRef("doc1field2"), null, null, 0).nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
assertTrue(_TestUtil.docs(random(), ir, "string", new BytesRef("doc2field2"), null, null, 0).nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
assertTrue(_TestUtil.docs(random(), ir, "string", new BytesRef("doc3field2"), null, null, 0).nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
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();
FieldType customType = new FieldType();
customType.setStored(true);
doc.add(newField("zzz", "a b c", customType));
doc.add(newField("aaa", "a b c", customType));
doc.add(newField("zzz", "1 2 3", customType));
w.addDocument(doc);
IndexReader r = w.getReader();
Document doc2 = r.document(0);
Iterator<IndexableField> it = doc2.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.addDocument(new Document());
writer.close();
dir.close();
}
public void testIndexDivisor() throws Exception {
Directory dir = newDirectory();
IndexWriterConfig config = new IndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random()));
config.setTermIndexInterval(2);
IndexWriter w = new IndexWriter(dir, config);
StringBuilder s = new StringBuilder();
// must be > 256
for(int i=0;i<300;i++) {
s.append(' ').append(i);
}
Document d = new Document();
Field f = newTextField("field", s.toString(), Field.Store.NO);
d.add(f);
w.addDocument(d);
AtomicReader r = getOnlySegmentReader(w.getReader());
TermsEnum t = r.fields().terms("field").iterator(null);
int count = 0;
while(t.next() != null) {
final DocsEnum docs = _TestUtil.docs(random(), t, null, null, 0);
assertEquals(0, docs.nextDoc());
assertEquals(DocIdSetIterator.NO_MORE_DOCS, docs.nextDoc());
count++;
}
assertEquals(300, count);
r.close();
w.close();
dir.close();
}
public void testDeleteUnusedFiles() throws Exception {
for(int iter=0;iter<2;iter++) {
Directory dir = newMockDirectory(); // relies on windows semantics
LogMergePolicy mergePolicy = newLogMergePolicy(true);
// This test expects all of its segments to be in CFS
mergePolicy.setNoCFSRatio(1.0);
mergePolicy.setMaxCFSSegmentSizeMB(Double.POSITIVE_INFINITY);
IndexWriter w = new IndexWriter(
dir,
newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random())).
setMergePolicy(mergePolicy)
);
Document doc = new Document();
doc.add(newTextField("field", "go", Field.Store.NO));
w.addDocument(doc);
DirectoryReader r;
if (iter == 0) {
// use NRT
r = w.getReader();
} else {
// don't use NRT
w.commit();
r = DirectoryReader.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 = DirectoryReader.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();
FieldType customType = new FieldType(TextField.TYPE_STORED);
customType.setStoreTermVectors(true);
customType.setStoreTermVectorPositions(true);
customType.setStoreTermVectorOffsets(true);
doc.add(newField("c", "val", customType));
writer.addDocument(doc);
writer.commit();
assertEquals(1, DirectoryReader.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", customType));
writer.addDocument(doc);
writer.commit();
assertEquals(2, DirectoryReader.listCommits(dir).size());
// Should delete the unreferenced commit
sdp.release("id");
writer.deleteUnusedFiles();
assertEquals(1, DirectoryReader.listCommits(dir).size());
writer.close();
dir.close();
}
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 {
// TODO: generalize this test
assumeFalse("test makes assumptions about file counts", Codec.getDefault() instanceof SimpleTextCodec);
// 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();
// 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();
FieldType customType = new FieldType(TextField.TYPE_STORED);
customType.setStoreTermVectors(true);
customType.setStoreTermVectorPositions(true);
customType.setStoreTermVectorOffsets(true);
// create as many files as possible
doc.add(newField("c", "val", customType));
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", customType));
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();
FieldType customType = new FieldType(TextField.TYPE_STORED);
customType.setStoreTermVectors(true);
customType.setStoreTermVectorPositions(true);
customType.setStoreTermVectorOffsets(true);
doc.add(newField("c", "val", customType));
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();
// If we don't do that, the test fails on Windows
w.rollback();
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;
FieldType customType = new FieldType(TextField.TYPE_STORED);
customType.setOmitNorms(true);
FieldType customType2 = new FieldType(TextField.TYPE_STORED);
customType2.setTokenized(false);
FieldType customType3 = new FieldType(TextField.TYPE_STORED);
customType3.setTokenized(false);
customType3.setOmitNorms(true);
for (int i=0; i<2; i++) {
Document doc = new Document();
doc.add(new Field("id", Integer.toString(i)+BIG, customType3));
doc.add(new Field("str", Integer.toString(i)+BIG, customType2));
doc.add(new Field("str2", Integer.toString(i)+BIG, storedTextType));
doc.add(new Field("str3", Integer.toString(i)+BIG, customType));
indexWriter.addDocument(doc);
}
indexWriter.close();
_TestUtil.checkIndex(dir);
assertNoUnreferencedFiles(dir, "no tv files");
DirectoryReader r0 = DirectoryReader.open(dir);
for (AtomicReaderContext ctx : r0.leaves()) {
SegmentReader sr = (SegmentReader) ctx.reader();
assertFalse(sr.getFieldInfos().hasVectors());
}
r0.close();
dir.close();
}
static final class StringSplitAnalyzer extends Analyzer {
@Override
public TokenStreamComponents createComponents(String fieldName, Reader reader) {
return new TokenStreamComponents(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) {
super(r);
try {
setReader(r);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
@Override
public final boolean incrementToken() {
clearAttributes();
if (upto < tokens.length) {
termAtt.setEmpty();
termAtt.append(tokens[upto]);
upto++;
return true;
} else {
return false;
}
}
@Override
public void reset() 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(" ");
}
}
/**
* Make sure we skip wicked long terms.
*/
public void testWickedLongTerm() throws IOException {
Directory dir = newDirectory();
RandomIndexWriter w = new RandomIndexWriter(random(), dir, new StringSplitAnalyzer());
char[] chars = new char[DocumentsWriterPerThread.MAX_TERM_LENGTH_UTF8];
Arrays.fill(chars, 'x');
Document doc = new Document();
final String bigTerm = new String(chars);
final BytesRef bigTermBytesRef = new BytesRef(bigTerm);
// This contents produces a too-long term:
String contents = "abc xyz x" + bigTerm + " another term";
doc.add(new TextField("content", contents, Field.Store.NO));
w.addDocument(doc);
// Make sure we can add another normal document
doc = new Document();
doc.add(new TextField("content", "abc bbb ccc", Field.Store.NO));
w.addDocument(doc);
IndexReader reader = w.getReader();
w.close();
// 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:
DocsAndPositionsEnum tps = MultiFields.getTermPositionsEnum(reader, null, "content", new BytesRef("another"));
assertEquals(0, tps.nextDoc());
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();
dir.close();
dir = newDirectory();
// Make sure we can add a document with exactly the
// maximum length term, and search on that term:
doc = new Document();
FieldType customType = new FieldType(TextField.TYPE_NOT_STORED);
customType.setTokenized(false);
Field contentField = new Field("content", "", customType);
doc.add(contentField);
w = new RandomIndexWriter(random(), dir);
contentField.setStringValue("other");
w.addDocument(doc);
contentField.setStringValue("term");
w.addDocument(doc);
contentField.setStringValue(bigTerm);
w.addDocument(doc);
contentField.setStringValue("zzz");
w.addDocument(doc);
reader = w.getReader();
w.close();
assertEquals(1, reader.docFreq(new Term("content", bigTerm)));
FieldCache.DocTermsIndex dti = FieldCache.DEFAULT.getTermsIndex(SlowCompositeReaderWrapper.wrap(reader), "content", random().nextFloat() * PackedInts.FAST);
assertEquals(5, dti.numOrd()); // +1 for null ord
assertEquals(4, dti.size());
assertEquals(bigTermBytesRef, dti.lookup(3, new BytesRef()));
reader.close();
dir.close();
}
// 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(newTextField("", "a b c", Field.Store.NO));
writer.addDocument(doc);
writer.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();
DirectoryReader.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(newStringField("id", "0", Field.Store.YES));
w.addDocument(doc);
DirectoryReader 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();
}
public void testWhetherDeleteAllDeletesWriteLock() throws Exception {
Directory d = newFSDirectory(_TestUtil.getTempDir("TestIndexWriter.testWhetherDeleteAllDeletesWriteLock"));
// Must use SimpleFSLockFactory... NativeFSLockFactory
// somehow "knows" a lock is held against write.lock
// even if you remove that file:
d.setLockFactory(new SimpleFSLockFactory());
RandomIndexWriter w1 = new RandomIndexWriter(random(), d);
w1.deleteAll();
try {
new RandomIndexWriter(random(), d, newIndexWriterConfig(TEST_VERSION_CURRENT, null).setWriteLockTimeout(100));
fail("should not be able to create another writer");
} catch (LockObtainFailedException lofe) {
// expected
}
w1.close();
d.close();
}
public void testChangeIndexOptions() throws Exception {
Directory dir = newDirectory();
IndexWriter w = new IndexWriter(dir,
new IndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random())));
FieldType docsAndFreqs = new FieldType(TextField.TYPE_NOT_STORED);
docsAndFreqs.setIndexOptions(IndexOptions.DOCS_AND_FREQS);
FieldType docsOnly = new FieldType(TextField.TYPE_NOT_STORED);
docsOnly.setIndexOptions(IndexOptions.DOCS_ONLY);
Document doc = new Document();
doc.add(new Field("field", "a b c", docsAndFreqs));
w.addDocument(doc);
w.addDocument(doc);
doc = new Document();
doc.add(new Field("field", "a b c", docsOnly));
w.addDocument(doc);
w.close();
dir.close();
}
public void testOnlyUpdateDocuments() throws Exception {
Directory dir = newDirectory();
IndexWriter w = new IndexWriter(dir,
new IndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random())));
final List<Document> docs = new ArrayList<Document>();
docs.add(new Document());
w.updateDocuments(new Term("foo", "bar"),
docs);
w.close();
dir.close();
}
// LUCENE-3872
public void testPrepareCommitThenClose() throws Exception {
Directory dir = newDirectory();
IndexWriter w = new IndexWriter(dir,
new IndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random())));
w.prepareCommit();
try {
w.close();
fail("should have hit exception");
} catch (IllegalStateException ise) {
// expected
}
w.commit();
w.close();
IndexReader r = DirectoryReader.open(dir);
assertEquals(0, r.maxDoc());
r.close();
dir.close();
}
// LUCENE-3872
public void testPrepareCommitThenRollback() throws Exception {
Directory dir = newDirectory();
IndexWriter w = new IndexWriter(dir,
new IndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random())));
w.prepareCommit();
w.rollback();
assertFalse(DirectoryReader.indexExists(dir));
dir.close();
}
// LUCENE-3872
public void testPrepareCommitThenRollback2() throws Exception {
Directory dir = newDirectory();
IndexWriter w = new IndexWriter(dir,
new IndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random())));
w.commit();
w.addDocument(new Document());
w.prepareCommit();
w.rollback();
assertTrue(DirectoryReader.indexExists(dir));
IndexReader r = DirectoryReader.open(dir);
assertEquals(0, r.maxDoc());
r.close();
dir.close();
}
public void testDontInvokeAnalyzerForUnAnalyzedFields() throws Exception {
Analyzer analyzer = new Analyzer() {
@Override
protected TokenStreamComponents createComponents(String fieldName, Reader reader) {
throw new IllegalStateException("don't invoke me!");
}
@Override
public int getPositionIncrementGap(String fieldName) {
throw new IllegalStateException("don't invoke me!");
}
@Override
public int getOffsetGap(String fieldName) {
throw new IllegalStateException("don't invoke me!");
}
};
Directory dir = newDirectory();
IndexWriter w = new IndexWriter(dir, newIndexWriterConfig(
TEST_VERSION_CURRENT, analyzer));
Document doc = new Document();
FieldType customType = new FieldType(StringField.TYPE_NOT_STORED);
customType.setStoreTermVectors(true);
customType.setStoreTermVectorPositions(true);
customType.setStoreTermVectorOffsets(true);
Field f = newField("field", "abcd", customType);
doc.add(f);
doc.add(f);
Field f2 = newField("field", "", customType);
doc.add(f2);
doc.add(f);
w.addDocument(doc);
w.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();
IndexWriter iw = new IndexWriter(dir,
newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random())));
iw.addDocument(new Document());
iw.close();
try {
// Create my own random file:
IndexOutput out = dir.createOutput("myrandomfile", newIOContext(random()));
out.writeByte((byte) 42);
out.close();
new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random()))).close();
assertTrue(dir.fileExists("myrandomfile"));
} finally {
dir.close();
}
}
// here we do better, there is no current segments file, so we don't delete anything.
// however, if you actually go and make a commit, the next time you run indexwriter
// this file will be gone.
public void testOtherFiles2() throws Throwable {
Directory dir = newDirectory();
try {
// Create my own random file:
IndexOutput out = dir.createOutput("_a.frq", newIOContext(random()));
out.writeByte((byte) 42);
out.close();
new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random()))).close();
assertTrue(dir.fileExists("_a.frq"));
IndexWriter iw = new IndexWriter(dir,
newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random())));
iw.addDocument(new Document());
iw.close();
assertFalse(dir.fileExists("_a.frq"));
} finally {
dir.close();
}
}
// LUCENE-4398
public void testRotatingFieldNames() throws Exception {
Directory dir = newFSDirectory(_TestUtil.getTempDir("TestIndexWriter.testChangingFields"));
IndexWriterConfig iwc = new IndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random()));
iwc.setRAMBufferSizeMB(0.2);
iwc.setMaxBufferedDocs(-1);
IndexWriter w = new IndexWriter(dir, iwc);
int upto = 0;
FieldType ft = new FieldType(TextField.TYPE_NOT_STORED);
ft.setOmitNorms(true);
int firstDocCount = -1;
for(int iter=0;iter<10;iter++) {
final int startFlushCount = w.getFlushCount();
int docCount = 0;
while(w.getFlushCount() == startFlushCount) {
Document doc = new Document();
for(int i=0;i<10;i++) {
doc.add(new Field("field" + (upto++), "content", ft));
}
w.addDocument(doc);
docCount++;
}
if (VERBOSE) {
System.out.println("TEST: iter=" + iter + " flushed after docCount=" + docCount);
}
if (iter == 0) {
firstDocCount = docCount;
}
assertTrue("flushed after too few docs: first segment flushed at docCount=" + firstDocCount + ", but current segment flushed after docCount=" + docCount + "; iter=" + iter, ((float) docCount) / firstDocCount > 0.9);
if (upto > 5000) {
// Start re-using field names after a while
// ... important because otherwise we can OOME due
// to too many FieldInfo instances.
upto = 0;
}
}
w.close();
dir.close();
}
}