org.apache.blur.utils.TermDocIterableTest.java Source code

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Here is the source code for org.apache.blur.utils.TermDocIterableTest.java

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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);
        }
    }

}