Lucene example source code file (DocMakerTest.java)

This example Lucene source code file (DocMakerTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Lucene tags/keywords

config, config, docmaker, document, document, exception, exception, io, ioexception, nomoredataexception, override, perfrundata, properties, properties, tasksequence, util

The Lucene DocMakerTest.java source code

package org.apache.lucene.benchmark.byTask.feeds;

/**
 * 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.IOException;
import java.util.Properties;

import org.apache.lucene.analysis.SimpleAnalyzer;
import org.apache.lucene.analysis.WhitespaceAnalyzer;
import org.apache.lucene.benchmark.BenchmarkTestCase;
import org.apache.lucene.benchmark.byTask.PerfRunData;
import org.apache.lucene.benchmark.byTask.tasks.AddDocTask;
import org.apache.lucene.benchmark.byTask.tasks.CloseIndexTask;
import org.apache.lucene.benchmark.byTask.tasks.CreateIndexTask;
import org.apache.lucene.benchmark.byTask.tasks.TaskSequence;
import org.apache.lucene.benchmark.byTask.utils.Config;
import org.apache.lucene.document.Document;
import org.apache.lucene.index.Term;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.TermQuery;
import org.apache.lucene.search.TopDocs;

/** Tests the functionality of {@link DocMaker}. */
public class DocMakerTest extends BenchmarkTestCase {

  static final class OneDocSource extends ContentSource {

    private boolean finish = false;
    
    @Override
    public void close() throws IOException {
    }

    @Override
    public DocData getNextDocData(DocData docData) throws NoMoreDataException,
        IOException {
      if (finish) {
        throw new NoMoreDataException();
      }
      
      docData.setBody("body");
      docData.setDate("date");
      docData.setTitle("title");
      Properties props = new Properties();
      props.setProperty("key", "value");
      docData.setProps(props);
      finish = true;
      
      return docData;
    }
    
  }

  private void doTestIndexProperties(boolean setIndexProps,
      boolean indexPropsVal, int numExpectedResults) throws Exception {
    Properties props = new Properties();
    
    // Indexing configuration.
    props.setProperty("analyzer", WhitespaceAnalyzer.class.getName());
    props.setProperty("content.source", OneDocSource.class.getName());
    props.setProperty("directory", "RAMDirectory");
    if (setIndexProps) {
      props.setProperty("doc.index.props", Boolean.toString(indexPropsVal));
    }
    
    // Create PerfRunData
    Config config = new Config(props);
    PerfRunData runData = new PerfRunData(config);

    TaskSequence tasks = new TaskSequence(runData, getName(), null, false);
    tasks.addTask(new CreateIndexTask(runData));
    tasks.addTask(new AddDocTask(runData));
    tasks.addTask(new CloseIndexTask(runData));
    tasks.doLogic();
    
    IndexSearcher searcher = new IndexSearcher(runData.getDirectory(), true);
    TopDocs td = searcher.search(new TermQuery(new Term("key", "value")), 10);
    assertEquals(numExpectedResults, td.totalHits);
    searcher.close();
  }
  
  private Document createTestNormsDocument(boolean setNormsProp,
      boolean normsPropVal, boolean setBodyNormsProp, boolean bodyNormsVal)
      throws Exception {
    Properties props = new Properties();
    
    // Indexing configuration.
    props.setProperty("analyzer", WhitespaceAnalyzer.class.getName());
    props.setProperty("content.source", OneDocSource.class.getName());
    props.setProperty("directory", "RAMDirectory");
    if (setNormsProp) {
      props.setProperty("doc.tokenized.norms", Boolean.toString(normsPropVal));
    }
    if (setBodyNormsProp) {
      props.setProperty("doc.body.tokenized.norms", Boolean.toString(bodyNormsVal));
    }
    
    // Create PerfRunData
    Config config = new Config(props);
    
    DocMaker dm = new DocMaker();
    dm.setConfig(config);
    return dm.makeDocument();
  }
  
  /* Tests doc.index.props property. */
  public void testIndexProperties() throws Exception {
    // default is to not index properties.
    doTestIndexProperties(false, false, 0);
    
    // set doc.index.props to false.
    doTestIndexProperties(true, false, 0);
    
    // set doc.index.props to true.
    doTestIndexProperties(true, true, 1);
  }
  
  /* Tests doc.tokenized.norms and doc.body.tokenized.norms properties. */
  public void testNorms() throws Exception {
    
    Document doc;
    
    // Don't set anything, use the defaults
    doc = createTestNormsDocument(false, false, false, false);
    assertTrue(doc.getField(DocMaker.TITLE_FIELD).getOmitNorms());
    assertFalse(doc.getField(DocMaker.BODY_FIELD).getOmitNorms());
    
    // Set norms to false
    doc = createTestNormsDocument(true, false, false, false);
    assertTrue(doc.getField(DocMaker.TITLE_FIELD).getOmitNorms());
    assertFalse(doc.getField(DocMaker.BODY_FIELD).getOmitNorms());
    
    // Set norms to true
    doc = createTestNormsDocument(true, true, false, false);
    assertFalse(doc.getField(DocMaker.TITLE_FIELD).getOmitNorms());
    assertFalse(doc.getField(DocMaker.BODY_FIELD).getOmitNorms());
    
    // Set body norms to false
    doc = createTestNormsDocument(false, false, true, false);
    assertTrue(doc.getField(DocMaker.TITLE_FIELD).getOmitNorms());
    assertTrue(doc.getField(DocMaker.BODY_FIELD).getOmitNorms());
    
    // Set body norms to true
    doc = createTestNormsDocument(false, false, true, true);
    assertTrue(doc.getField(DocMaker.TITLE_FIELD).getOmitNorms());
    assertFalse(doc.getField(DocMaker.BODY_FIELD).getOmitNorms());
  }
  
}