package org.apache.blur.utils;
/**
* 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 static org.apache.blur.lucene.LuceneVersionConstant.LUCENE_VERSION;
import static org.junit.Assert.assertEquals;
import java.io.IOException;
import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.document.FieldType;
import org.apache.lucene.index.AtomicReader;
import org.apache.lucene.index.DirectoryReader;
import org.apache.lucene.index.DocsEnum;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.IndexWriterConfig;
import org.apache.lucene.index.SlowCompositeReaderWrapper;
import org.apache.lucene.index.Term;
import org.apache.lucene.store.RAMDirectory;
import org.junit.Before;
import org.junit.Test;
public class TermDocIterableTest {
private static final int BLOCKS = 10;
private static final int COUNT_PER_BLOCK = 100;
private AtomicReader reader;
@Before
public void setup() throws IOException {
reader = createIndexReader();
}
@Test
public void testTermDocIterable() throws IOException {
for (int pass = 0; pass < 1; pass++) {
for (int id = 0; id < BLOCKS; id++) {
DocsEnum termDocs = reader.termDocsEnum(new Term("id", Integer.toString(id)));
TermDocIterable iterable = new TermDocIterable(termDocs, reader);
int count = 0;
int i = 0;
long s = System.nanoTime();
for (Document document : iterable) {
count++;
assertEquals(i, Integer.parseInt(document.get("field")));
i++;
}
long time = System.nanoTime() - s;
System.out.println(time / 1000000.0 + " " + id + " " + pass);
assertEquals(COUNT_PER_BLOCK, count);
}
}
}
private AtomicReader createIndexReader() throws IOException {
RAMDirectory directory = new RAMDirectory();
IndexWriter writer = new IndexWriter(directory, new IndexWriterConfig(LUCENE_VERSION, new StandardAnalyzer(LUCENE_VERSION)));
for (int i = 0; i < BLOCKS; i++) {
addDocumentBlock(i, COUNT_PER_BLOCK, writer);
}
writer.close();
return SlowCompositeReaderWrapper.wrap(DirectoryReader.open(directory));
}
private void addDocumentBlock(int id, int count, IndexWriter writer) throws IOException {
FieldType fieldType = new FieldType();
fieldType.setIndexed(true);
fieldType.setOmitNorms(true);
fieldType.setTokenized(false);
fieldType.setStored(true);
FieldType fieldTypeNoIndex = new FieldType();
fieldTypeNoIndex.setStored(true);
fieldTypeNoIndex.setIndexed(false);
for (int i = 0; i < count; i++) {
Document document = new Document();
document.add(new Field("id", Integer.toString(id), fieldType));
document.add(new Field("field", Integer.toString(i), fieldType));
for (int j = 0; j < 100; j++) {
document.add(new Field("field" + j, "testing here testing here testing here testing here testing here testing here testing here", fieldTypeNoIndex));
}
writer.addDocument(document);
}
}
}