Package org.apache.lucene.queryparser.flexible.standard

Examples of org.apache.lucene.queryparser.flexible.standard.CommonQueryParserConfiguration

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    assertQueryEquals("(stop)", qpAnalyzer, "");
    assertQueryEquals("((stop))", qpAnalyzer, "");
    assertTrue(getQuery("term term term", qpAnalyzer) instanceof BooleanQuery);
    assertTrue(getQuery("term +stop", qpAnalyzer) instanceof TermQuery);
   
    CommonQueryParserConfiguration cqpc = getParserConfig(qpAnalyzer);
    setDefaultOperatorAND(cqpc);
    assertQueryEquals(cqpc, "field", "term phrase term",
        "+term +(+phrase1 +phrase2) +term");
    assertQueryEquals(cqpc, "field", "phrase",
        "+phrase1 +phrase2");
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    assertQueryEquals("[ a TO z}", null, "[a TO z}");
    assertQueryEquals("{ a TO z]", null, "{a TO z]");

     assertEquals(MultiTermQuery.CONSTANT_SCORE_AUTO_REWRITE_DEFAULT, ((TermRangeQuery)getQuery("[ a TO z]")).getRewriteMethod());

    CommonQueryParserConfiguration qp = getParserConfig( new MockAnalyzer(random(), MockTokenizer.SIMPLE, true));
   
    qp.setMultiTermRewriteMethod(MultiTermQuery.SCORING_BOOLEAN_QUERY_REWRITE);
    assertEquals(MultiTermQuery.SCORING_BOOLEAN_QUERY_REWRITE,((TermRangeQuery)getQuery("[ a TO z]", qp)).getRewriteMethod());
   
    // test open ranges
    assertQueryEquals("[ a TO * ]", null, "[a TO *]");
    assertQueryEquals("[ * TO z ]", null, "[* TO z]");
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    endDateExpected.set(Calendar.MILLISECOND, 999);
    final String defaultField = "default";
    final String monthField = "month";
    final String hourField = "hour";
    Analyzer a = new MockAnalyzer(random(), MockTokenizer.SIMPLE, true);
    CommonQueryParserConfiguration qp = getParserConfig(a);
   
    // set a field specific date resolution
    setDateResolution(qp, monthField, DateTools.Resolution.MONTH);
   
    // set default date resolution to MILLISECOND
    qp.setDateResolution(DateTools.Resolution.MILLISECOND);
   
    // set second field specific date resolution   
    setDateResolution(qp, hourField, DateTools.Resolution.HOUR);

    // for this field no field specific date resolution has been set,
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  public void testBoost()
    throws Exception {
    CharacterRunAutomaton stopWords = new CharacterRunAutomaton(BasicAutomata.makeString("on"));
    Analyzer oneStopAnalyzer = new MockAnalyzer(random(), MockTokenizer.SIMPLE, true, stopWords);
    CommonQueryParserConfiguration qp = getParserConfig(oneStopAnalyzer);
    Query q = getQuery("on^1.0",qp);
    assertNotNull(q);
    q = getQuery("\"hello\"^2.0",qp);
    assertNotNull(q);
    assertEquals(q.getBoost(), (float) 2.0, (float) 0.5);
    q = getQuery("hello^2.0",qp);
    assertNotNull(q);
    assertEquals(q.getBoost(), (float) 2.0, (float) 0.5);
    q = getQuery("\"on\"^1.0",qp);
    assertNotNull(q);

    Analyzer a2 = new MockAnalyzer(random(), MockTokenizer.SIMPLE, true, MockTokenFilter.ENGLISH_STOPSET);
    CommonQueryParserConfiguration qp2 = getParserConfig(a2);
    q = getQuery("the^3", qp2);
    // "the" is a stop word so the result is an empty query:
    assertNotNull(q);
    assertEquals("", q.toString());
    assertEquals(1.0f, q.getBoost(), 0.01f);
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  /**
   * This test differs from TestPrecedenceQueryParser
   */
  public void testPrecedence() throws Exception {
    CommonQueryParserConfiguration qp = getParserConfig(new MockAnalyzer(random(), MockTokenizer.WHITESPACE, false));
    Query query1 = getQuery("A AND B OR C AND D", qp);
    Query query2 = getQuery("+A +B +C +D", qp);
    assertEquals(query1, query2);
  }
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//  }

  public abstract void testStarParsing() throws Exception;

  public void testEscapedWildcard() throws Exception {
    CommonQueryParserConfiguration qp = getParserConfig( new MockAnalyzer(random(), MockTokenizer.WHITESPACE, false));
    WildcardQuery q = new WildcardQuery(new Term("field", "foo\\?ba?r"));
    assertEquals(q, getQuery("foo\\?ba?r", qp));
  }
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    WildcardQuery q = new WildcardQuery(new Term("field", "foo\\?ba?r"));
    assertEquals(q, getQuery("foo\\?ba?r", qp));
  }
 
  public void testRegexps() throws Exception {
    CommonQueryParserConfiguration qp = getParserConfig( new MockAnalyzer(random(), MockTokenizer.WHITESPACE, false));
    RegexpQuery q = new RegexpQuery(new Term("field", "[a-z][123]"));
    assertEquals(q, getQuery("/[a-z][123]/",qp));
    qp.setLowercaseExpandedTerms(true);
    assertEquals(q, getQuery("/[A-Z][123]/",qp));
    q.setBoost(0.5f);
    assertEquals(q, getQuery("/[A-Z][123]/^0.5",qp));
    qp.setMultiTermRewriteMethod(MultiTermQuery.SCORING_BOOLEAN_QUERY_REWRITE);
    q.setRewriteMethod(MultiTermQuery.SCORING_BOOLEAN_QUERY_REWRITE);
    assertTrue(getQuery("/[A-Z][123]/^0.5",qp) instanceof RegexpQuery);
    assertEquals(MultiTermQuery.SCORING_BOOLEAN_QUERY_REWRITE, ((RegexpQuery)getQuery("/[A-Z][123]/^0.5",qp)).getRewriteMethod());
    assertEquals(q, getQuery("/[A-Z][123]/^0.5",qp));
    qp.setMultiTermRewriteMethod(MultiTermQuery.CONSTANT_SCORE_AUTO_REWRITE_DEFAULT);
   
    Query escaped = new RegexpQuery(new Term("field", "[a-z]\\/[123]"));
    assertEquals(escaped, getQuery("/[a-z]\\/[123]/",qp));
    Query escaped2 = new RegexpQuery(new Term("field", "[a-z]\\*[123]"));
    assertEquals(escaped2, getQuery("/[a-z]\\*[123]/",qp));
 
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    assertEquals(two, getQuery("/foo/ /bar/",qp));
  }
 
  public void testStopwords() throws Exception {
    CharacterRunAutomaton stopSet = new CharacterRunAutomaton(new RegExp("the|foo").toAutomaton());
    CommonQueryParserConfiguration qp = getParserConfig(new MockAnalyzer(random(), MockTokenizer.SIMPLE, true, stopSet));
    Query result = getQuery("field:the OR field:foo",qp);
    assertNotNull("result is null and it shouldn't be", result);
    assertTrue("result is not a BooleanQuery", result instanceof BooleanQuery);
    assertTrue(((BooleanQuery) result).clauses().size() + " does not equal: " + 0, ((BooleanQuery) result).clauses().size() == 0);
    result = getQuery("field:woo OR field:the",qp);
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    if (VERBOSE) System.out.println("Result: " + result);
    assertTrue(((BooleanQuery) result).clauses().size() + " does not equal: " + 2, ((BooleanQuery) result).clauses().size() == 2);
  }

  public void testPositionIncrement() throws Exception {
    CommonQueryParserConfiguration qp = getParserConfig( new MockAnalyzer(random(), MockTokenizer.SIMPLE, true, MockTokenFilter.ENGLISH_STOPSET));
    qp.setEnablePositionIncrements(true);
    String qtxt = "\"the words in poisitions pos02578 are stopped in this phrasequery\"";
    //               0         2                      5           7  8
    int expectedPositions[] = {1,3,4,6,9};
    PhraseQuery pq = (PhraseQuery) getQuery(qtxt,qp);
    //System.out.println("Query text: "+qtxt);
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      assertEquals("term "+i+" = "+t[i]+" has wrong term-position!",expectedPositions[i],pos[i]);
    }
  }

  public void testMatchAllDocs() throws Exception {
    CommonQueryParserConfiguration qp = getParserConfig( new MockAnalyzer(random(), MockTokenizer.WHITESPACE, false));
    assertEquals(new MatchAllDocsQuery(), getQuery("*:*",qp));
    assertEquals(new MatchAllDocsQuery(), getQuery("(*:*)",qp));
    BooleanQuery bq = (BooleanQuery)getQuery("+*:* -*:*",qp);
    assertTrue(bq.getClauses()[0].getQuery() instanceof MatchAllDocsQuery);
    assertTrue(bq.getClauses()[1].getQuery() instanceof MatchAllDocsQuery);
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Related Classes of org.apache.lucene.queryparser.flexible.standard.CommonQueryParserConfiguration

  • org.apache.lucene.queryparser.util.QueryParserTestBase
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