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Lucene example source code file (TestLatvianAnalyzer.java)

This example Lucene source code file (TestLatvianAnalyzer.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

analyzer, analyzer, basetokenstreamtestcase, exception, hashset, io, ioexception, ioexception, latviananalyzer, latviananalyzer, set, string, string, testlatviananalyzer, util

The Lucene TestLatvianAnalyzer.java source code

package org.apache.lucene.analysis.lv;

 * 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,
 * See the License for the specific language governing permissions and
 * limitations under the License.

import java.io.IOException;
import java.util.HashSet;
import java.util.Set;

import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.BaseTokenStreamTestCase;

public class TestLatvianAnalyzer extends BaseTokenStreamTestCase {
  /** This test fails with NPE when the 
   * stopwords file is missing in classpath */
  public void testResourcesAvailable() {
    new LatvianAnalyzer(TEST_VERSION_CURRENT);
  /** test stopwords and stemming */
  public void testBasics() throws IOException {
    Analyzer a = new LatvianAnalyzer(TEST_VERSION_CURRENT);
    // stemming
    checkOneTermReuse(a, "tirgiem", "tirg");
    checkOneTermReuse(a, "tirgus", "tirg");
    // stopword
    assertAnalyzesTo(a, "un", new String[] {});
  /** test use of exclusion set */
  public void testExclude() throws IOException {
    Set<String> exclusionSet = new HashSet();
    Analyzer a = new LatvianAnalyzer(TEST_VERSION_CURRENT, 
        LatvianAnalyzer.getDefaultStopSet(), exclusionSet);
    checkOneTermReuse(a, "tirgiem", "tirgiem");
    checkOneTermReuse(a, "tirgus", "tirg");
  /** blast some random strings through the analyzer */
  public void testRandomStrings() throws Exception {
    checkRandomData(random, new LatvianAnalyzer(TEST_VERSION_CURRENT), 10000*RANDOM_MULTIPLIER);

Other Lucene examples (source code examples)

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