Package org.apache.lucene.search.suggest

Examples of org.apache.lucene.search.suggest.InputArrayIterator

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    Input keys[] = new Input[] {
        new Input("wifi network is slow", 50),
        new Input("wi fi network is fast", 10),
    };
    FuzzySuggester suggester = new FuzzySuggester(analyzer);
    suggester.build(new InputArrayIterator(keys));
   
    List<LookupResult> results = suggester.lookup("wifi network", false, 10);
    if (VERBOSE) {
      System.out.println("Results: " + results);
    }
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    assertEquals(10, results.get(1).value);
  }

  public void testEmpty() throws Exception {
    FuzzySuggester suggester = new FuzzySuggester(new MockAnalyzer(random(), MockTokenizer.KEYWORD, false));
    suggester.build(new InputArrayIterator(new Input[0]));

    List<LookupResult> result = suggester.lookup("a", false, 20);
    assertTrue(result.isEmpty());
  }
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    Input keys[] = new Input[] {
        new Input("ab xc", 50),
        new Input("ba xd", 50),
    };
    FuzzySuggester suggester = new FuzzySuggester(analyzer);
    suggester.build(new InputArrayIterator(keys));
    List<LookupResult> results = suggester.lookup("ab x", false, 1);
    assertTrue(results.size() == 1);
  }
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  public void testExactFirst() throws Exception {

    Analyzer a = getUnusualAnalyzer();
    FuzzySuggester suggester = new FuzzySuggester(a, a, AnalyzingSuggester.EXACT_FIRST | AnalyzingSuggester.PRESERVE_SEP, 256, -1, true, 1, true, 1, 3, false);
    suggester.build(new InputArrayIterator(new Input[] {
          new Input("x y", 1),
          new Input("x y z", 3),
          new Input("x", 2),
          new Input("z z z", 20),
        }));
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  public void testNonExactFirst() throws Exception {

    Analyzer a = getUnusualAnalyzer();
    FuzzySuggester suggester = new FuzzySuggester(a, a, AnalyzingSuggester.PRESERVE_SEP, 256, -1, true, 1, true, 1, 3, false);

    suggester.build(new InputArrayIterator(new Input[] {
          new Input("x y", 1),
          new Input("x y z", 3),
          new Input("x", 2),
          new Input("z z z", 20),
        }));
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    }

    Analyzer a = new MockTokenEatingAnalyzer(numStopChars, preserveHoles);
    FuzzySuggester suggester = new FuzzySuggester(a, a,
                                                  preserveSep ? AnalyzingSuggester.PRESERVE_SEP : 0, 256, -1, true, 1, false, 1, 3, unicodeAware);
    suggester.build(new InputArrayIterator(keys));

    for (String prefix : allPrefixes) {

      if (VERBOSE) {
        System.out.println("\nTEST: prefix=" + prefix);
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        new Input("a ", 50),
        new Input(" a", 60),
      });

    Collections.shuffle(keys, random());
    suggester.build(new InputArrayIterator(keys));

    List<LookupResult> results = suggester.lookup("a", false, 5);
    assertEquals(2, results.size());
    assertEquals(" a", results.get(0).key);
    assertEquals(60, results.get(0).value);
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        new Input("barbaz", 60),
        new Input("barbazfoo", 10),
      });

    Collections.shuffle(keys, random());
    suggester.build(new InputArrayIterator(keys));

    assertEquals("[foo bar baz/50, foo bar/40]", suggester.lookup("foobar", false, 5).toString());
    assertEquals("[foo bar baz/50]", suggester.lookup("foobarbaz", false, 5).toString());
    assertEquals("[barbaz/60, barbazfoo/10]", suggester.lookup("bar baz", false, 5).toString());
    assertEquals("[barbazfoo/10]", suggester.lookup("bar baz foo", false, 5).toString());
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    if (VERBOSE) {
      System.out.println("TEST: maxEdits=" + maxEdits + " prefixLen=" + prefixLen + " transpositions=" + transpositions + " num=" + NUM);
    }

    Collections.shuffle(answers, random());
    suggest.build(new InputArrayIterator(answers.toArray(new Input[answers.size()])));

    final int ITERS = atLeast(100);
    for(int iter=0;iter<ITERS;iter++) {
      final String frag = randomSimpleString(6);
      if (VERBOSE) {
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        @Override
        protected Directory getDirectory(File path) {
          return newDirectory();
        }
      };
    suggester.build(new InputArrayIterator(keys));

    List<LookupResult> results = suggester.lookup(_TestUtil.stringToCharSequence("ear", random()), 10, true, true);
    assertEquals(2, results.size());
    assertEquals("a penny saved is a penny <b>ear</b>ned", results.get(0).key);
    assertEquals(10, results.get(0).value);
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Related Classes of org.apache.lucene.search.suggest.InputArrayIterator

  • org.apache.lucene.search.suggest.analyzing.AnalyzingInfixSuggesterTest
  • org.apache.lucene.search.suggest.analyzing.AnalyzingSuggesterTest
  • org.apache.lucene.search.suggest.analyzing.BlendedInfixSuggesterTest
  • org.apache.lucene.search.suggest.analyzing.FuzzySuggesterTest
  • org.apache.lucene.search.suggest.analyzing.TestFreeTextSuggester
  • org.apache.lucene.search.suggest.fst.WFSTCompletionTest
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