/**
* 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.blur.lucene.codec;
import static org.junit.Assert.assertEquals;
import java.io.IOException;
import java.util.Random;
import org.apache.lucene.analysis.core.WhitespaceAnalyzer;
import org.apache.lucene.codecs.compressing.CompressionMode;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field.Store;
import org.apache.lucene.document.StringField;
import org.apache.lucene.document.TextField;
import org.apache.lucene.index.DirectoryReader;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.IndexWriterConfig;
import org.apache.lucene.index.IndexableField;
import org.apache.lucene.store.RAMDirectory;
import org.apache.lucene.util.Version;
import org.junit.Test;
public class Blur022CodecTest {
private static final int WORDS = 10000;
@Test
public void testLargeDocs() throws IOException {
Random random = new Random();
Iterable<? extends IndexableField> doc = getLargeDoc(random);
RAMDirectory directory = new RAMDirectory();
IndexWriterConfig conf1 = new IndexWriterConfig(Version.LUCENE_43, new WhitespaceAnalyzer(Version.LUCENE_43));
conf1.setCodec(new Blur022Codec());
IndexWriter writer1 = new IndexWriter(directory, conf1);
writer1.addDocument(doc);
writer1.close();
DirectoryReader reader1 = DirectoryReader.open(directory);
int numDocs1 = reader1.numDocs();
assertEquals(1, numDocs1);
// for (int i = 0; i < numDocs1; i++) {
// System.out.println(reader1.document(i));
// }
IndexWriterConfig conf2 = new IndexWriterConfig(Version.LUCENE_43, new WhitespaceAnalyzer(Version.LUCENE_43));
conf2.setCodec(new Blur022Codec(1 << 16, CompressionMode.HIGH_COMPRESSION));
IndexWriter writer2 = new IndexWriter(directory, conf2);
writer2.addDocument(doc);
writer2.close();
DirectoryReader reader2 = DirectoryReader.open(directory);
int numDocs2 = reader2.numDocs();
assertEquals(2, numDocs2);
for (int i = 0; i < 2; i++) {
long t1 = System.nanoTime();
Document document1 = reader1.document(0);
long t2 = System.nanoTime();
Document document2 = reader2.document(1);
long t3 = System.nanoTime();
System.out.println((t3 - t2) / 1000000.0);
System.out.println((t2 - t1) / 1000000.0);
System.out.println("doc1 " + document1.hashCode());
System.out.println("doc2 " + document2.hashCode());
}
// for (int i = 0; i < numDocs2; i++) {
// System.out.println(reader2.document(i));
// }
// long fileLength = directory.fileLength("_0.fdt");
for (String name : directory.listAll()) {
if (name.endsWith(".fdt")) {
System.out.println(name);
System.out.println(directory.fileLength(name));
}
}
}
@Test
public void testSmallDocs() throws IOException {
RAMDirectory directory = new RAMDirectory();
IndexWriterConfig conf1 = new IndexWriterConfig(Version.LUCENE_43, new WhitespaceAnalyzer(Version.LUCENE_43));
conf1.setCodec(new Blur022Codec());
Random random1 = new Random(1);
IndexWriter writer1 = new IndexWriter(directory, conf1);
for (int i = 0; i < 1000; i++) {
writer1.addDocument(getSmallDoc(random1));
}
writer1.close();
DirectoryReader reader1 = DirectoryReader.open(directory);
int numDocs1 = reader1.numDocs();
assertEquals(1000, numDocs1);
// for (int i = 0; i < numDocs1; i++) {
// System.out.println(reader1.document(i));
// }
IndexWriterConfig conf2 = new IndexWriterConfig(Version.LUCENE_43, new WhitespaceAnalyzer(Version.LUCENE_43));
conf2.setCodec(new Blur022Codec(1 << 16, CompressionMode.HIGH_COMPRESSION));
Random random2 = new Random(1);
IndexWriter writer2 = new IndexWriter(directory, conf2);
for (int i = 0; i < 1000; i++) {
writer2.addDocument(getSmallDoc(random2));
}
writer2.close();
DirectoryReader reader2 = DirectoryReader.open(directory);
int numDocs2 = reader2.numDocs();
assertEquals(2000, numDocs2);
for (int i = 0; i < 2; i++) {
long t1 = System.nanoTime();
long hash1 = 0;
long hash2 = 0;
for (int d = 0; d < 1000; d++) {
Document document1 = reader1.document(d);
hash1 += document1.hashCode();
}
long t2 = System.nanoTime();
for (int d = 0; d < 1000; d++) {
Document document2 = reader2.document(d + 1000);
hash2 += document2.hashCode();
}
long t3 = System.nanoTime();
System.out.println((t3 - t2) / 1000000.0);
System.out.println((t2 - t1) / 1000000.0);
System.out.println("doc1 " + hash1);
System.out.println("doc2 " + hash2);
}
// for (int i = 0; i < numDocs2; i++) {
// System.out.println(reader2.document(i));
// }
// long fileLength = directory.fileLength("_0.fdt");
for (String name : directory.listAll()) {
if (name.endsWith(".fdt")) {
System.out.println(name);
System.out.println(directory.fileLength(name));
}
}
}
private Iterable<? extends IndexableField> getSmallDoc(Random random) {
Document document = new Document();
document.add(new StringField("word", getWord(random), Store.YES));
return document;
}
private Iterable<? extends IndexableField> getLargeDoc(Random random) {
Document document = new Document();
String body = getBody(random);
// System.out.println("body size [" + body.length() + "]");
document.add(new TextField("body", body, Store.YES));
return document;
}
private String getBody(Random random) {
StringBuilder builder = new StringBuilder();
for (int i = 0; i < WORDS; i++) {
builder.append(getWord(random)).append(' ');
}
return builder.toString();
}
private String getWord(Random random) {
StringBuilder builder = new StringBuilder();
for (int i = 0; i < 20; i++) {
builder.append((char) (random.nextInt(26) + 'a'));
}
return builder.toString();
}
}