/*
* 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.
*/
package org.apache.lucene.index;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Random;
import org.apache.lucene.analysis.MockAnalyzer;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
import org.apache.lucene.analysis.tokenattributes.TermToBytesRefAttribute;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.document.FieldType;
import org.apache.lucene.document.TextField;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.TermQuery;
import org.apache.lucene.store.BaseDirectoryWrapper;
import org.apache.lucene.store.MockDirectoryWrapper;
import org.apache.lucene.util.Attribute;
import org.apache.lucene.util.AttributeFactory;
import org.apache.lucene.util.AttributeImpl;
import org.apache.lucene.util.AttributeReflector;
import org.apache.lucene.util.BytesRef;
import org.apache.lucene.util.LuceneTestCase.Monster;
import org.apache.lucene.util.LuceneTestCase.SuppressCodecs;
import org.apache.lucene.util.LuceneTestCase.SuppressSysoutChecks;
import org.apache.lucene.util.LuceneTestCase;
import org.apache.lucene.util.TestUtil;
import org.apache.lucene.util.TimeUnits;
import com.carrotsearch.randomizedtesting.annotations.TimeoutSuite;
// NOTE: SimpleText codec will consume very large amounts of
// disk (but, should run successfully). Best to run w/
// -Dtests.codec=<current codec>, and w/ plenty of RAM, eg:
//
// ant test -Dtests.monster=true -Dtests.heapsize=8g -Dtests.codec=Lucene62 -Dtestcase=Test2BTerms
//
@SuppressCodecs({ "SimpleText", "Memory", "Direct" })
@Monster("very slow, use 5g minimum heap")
@TimeoutSuite(millis = 80 * TimeUnits.HOUR) // effectively no limit
@SuppressSysoutChecks(bugUrl = "Stuff gets printed")
public class Test2BTerms extends LuceneTestCase {
private final static int TOKEN_LEN = 5;
private final static BytesRef bytes = new BytesRef(TOKEN_LEN);
private final static class MyTokenStream extends TokenStream {
private final int tokensPerDoc;
private int tokenCount;
public final List<BytesRef> savedTerms = new ArrayList<>();
private int nextSave;
private long termCounter;
private final Random random;
public MyTokenStream(Random random, int tokensPerDoc) {
super(new MyAttributeFactory(AttributeFactory.DEFAULT_ATTRIBUTE_FACTORY));
this.tokensPerDoc = tokensPerDoc;
addAttribute(TermToBytesRefAttribute.class);
bytes.length = TOKEN_LEN;
this.random = random;
nextSave = TestUtil.nextInt(random, 500000, 1000000);
}
@Override
public boolean incrementToken() {
clearAttributes();
if (tokenCount >= tokensPerDoc) {
return false;
}
int shift = 32;
for(int i=0;i<5;i++) {
bytes.bytes[i] = (byte) ((termCounter >> shift) & 0xFF);
shift -= 8;
}
termCounter++;
tokenCount++;
if (--nextSave == 0) {
savedTerms.add(BytesRef.deepCopyOf(bytes));
System.out.println("TEST: save term=" + bytes);
nextSave = TestUtil.nextInt(random, 500000, 1000000);
}
return true;
}
@Override
public void reset() {
tokenCount = 0;
}
private final static class MyTermAttributeImpl extends AttributeImpl implements TermToBytesRefAttribute {
@Override
public BytesRef getBytesRef() {
return bytes;
}
@Override
public void clear() {
}
@Override
public void copyTo(AttributeImpl target) {
throw new UnsupportedOperationException();
}
@Override
public MyTermAttributeImpl clone() {
throw new UnsupportedOperationException();
}
@Override
public void reflectWith(AttributeReflector reflector) {
reflector.reflect(TermToBytesRefAttribute.class, "bytes", getBytesRef());
}
}
private static final class MyAttributeFactory extends AttributeFactory {
private final AttributeFactory delegate;
public MyAttributeFactory(AttributeFactory delegate) {
this.delegate = delegate;
}
@Override
public AttributeImpl createAttributeInstance(Class<? extends Attribute> attClass) {
if (attClass == TermToBytesRefAttribute.class)
return new MyTermAttributeImpl();
if (CharTermAttribute.class.isAssignableFrom(attClass))
throw new IllegalArgumentException("no");
return delegate.createAttributeInstance(attClass);
}
}
}
public void test2BTerms() throws IOException {
System.out.println("Starting Test2B");
final long TERM_COUNT = ((long) Integer.MAX_VALUE) + 100000000;
final int TERMS_PER_DOC = TestUtil.nextInt(random(), 100000, 1000000);
List<BytesRef> savedTerms = null;
BaseDirectoryWrapper dir = newFSDirectory(createTempDir("2BTerms"));
//MockDirectoryWrapper dir = newFSDirectory(new File("/p/lucene/indices/2bindex"));
if (dir instanceof MockDirectoryWrapper) {
((MockDirectoryWrapper)dir).setThrottling(MockDirectoryWrapper.Throttling.NEVER);
}
dir.setCheckIndexOnClose(false); // don't double-checkindex
if (true) {
IndexWriter w = new IndexWriter(dir,
new IndexWriterConfig(new MockAnalyzer(random()))
.setMaxBufferedDocs(IndexWriterConfig.DISABLE_AUTO_FLUSH)
.setRAMBufferSizeMB(256.0)
.setMergeScheduler(new ConcurrentMergeScheduler())
.setMergePolicy(newLogMergePolicy(false, 10))
.setOpenMode(IndexWriterConfig.OpenMode.CREATE)
.setCodec(TestUtil.getDefaultCodec()));
MergePolicy mp = w.getConfig().getMergePolicy();
if (mp instanceof LogByteSizeMergePolicy) {
// 1 petabyte:
((LogByteSizeMergePolicy) mp).setMaxMergeMB(1024*1024*1024);
}
Document doc = new Document();
final MyTokenStream ts = new MyTokenStream(random(), TERMS_PER_DOC);
FieldType customType = new FieldType(TextField.TYPE_NOT_STORED);
customType.setIndexOptions(IndexOptions.DOCS);
customType.setOmitNorms(true);
Field field = new Field("field", ts, customType);
doc.add(field);
//w.setInfoStream(System.out);
final int numDocs = (int) (TERM_COUNT/TERMS_PER_DOC);
System.out.println("TERMS_PER_DOC=" + TERMS_PER_DOC);
System.out.println("numDocs=" + numDocs);
for(int i=0;i<numDocs;i++) {
final long t0 = System.currentTimeMillis();
w.addDocument(doc);
System.out.println(i + " of " + numDocs + " " + (System.currentTimeMillis()-t0) + " msec");
}
savedTerms = ts.savedTerms;
System.out.println("TEST: full merge");
w.forceMerge(1);
System.out.println("TEST: close writer");
w.close();
}
System.out.println("TEST: open reader");
final IndexReader r = DirectoryReader.open(dir);
if (savedTerms == null) {
savedTerms = findTerms(r);
}
final int numSavedTerms = savedTerms.size();
final List<BytesRef> bigOrdTerms = new ArrayList<>(savedTerms.subList(numSavedTerms-10, numSavedTerms));
System.out.println("TEST: test big ord terms...");
testSavedTerms(r, bigOrdTerms);
System.out.println("TEST: test all saved terms...");
testSavedTerms(r, savedTerms);
r.close();
System.out.println("TEST: now CheckIndex...");
CheckIndex.Status status = TestUtil.checkIndex(dir);
final long tc = status.segmentInfos.get(0).termIndexStatus.termCount;
assertTrue("count " + tc + " is not > " + Integer.MAX_VALUE, tc > Integer.MAX_VALUE);
dir.close();
System.out.println("TEST: done!");
}
private List<BytesRef> findTerms(IndexReader r) throws IOException {
System.out.println("TEST: findTerms");
final TermsEnum termsEnum = MultiFields.getTerms(r, "field").iterator();
final List<BytesRef> savedTerms = new ArrayList<>();
int nextSave = TestUtil.nextInt(random(), 500000, 1000000);
BytesRef term;
while((term = termsEnum.next()) != null) {
if (--nextSave == 0) {
savedTerms.add(BytesRef.deepCopyOf(term));
System.out.println("TEST: add " + term);
nextSave = TestUtil.nextInt(random(), 500000, 1000000);
}
}
return savedTerms;
}
private void testSavedTerms(IndexReader r, List<BytesRef> terms) throws IOException {
System.out.println("TEST: run " + terms.size() + " terms on reader=" + r);
IndexSearcher s = newSearcher(r);
Collections.shuffle(terms, random());
TermsEnum termsEnum = MultiFields.getTerms(r, "field").iterator();
boolean failed = false;
for(int iter=0;iter<10*terms.size();iter++) {
final BytesRef term = terms.get(random().nextInt(terms.size()));
System.out.println("TEST: search " + term);
final long t0 = System.currentTimeMillis();
final int count = s.search(new TermQuery(new Term("field", term)), 1).totalHits;
if (count <= 0) {
System.out.println(" FAILED: count=" + count);
failed = true;
}
final long t1 = System.currentTimeMillis();
System.out.println(" took " + (t1-t0) + " millis");
TermsEnum.SeekStatus result = termsEnum.seekCeil(term);
if (result != TermsEnum.SeekStatus.FOUND) {
if (result == TermsEnum.SeekStatus.END) {
System.out.println(" FAILED: got END");
} else {
System.out.println(" FAILED: wrong term: got " + termsEnum.term());
}
failed = true;
}
}
assertFalse(failed);
}
}