Package org.apache.lucene.search.suggest

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

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  public void testExactFirst() throws Exception {

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

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

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

    Analyzer a = new MockTokenEatingAnalyzer(numStopChars, preserveHoles);
    AnalyzingSuggester suggester = new AnalyzingSuggester(a, a,
                                                          preserveSep ? AnalyzingSuggester.PRESERVE_SEP : 0, 256, -1);
    suggester.build(new TermFreqArrayIterator(keys));

    for (String prefix : allPrefixes) {

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

      AnalyzingSuggester suggester = new AnalyzingSuggester(analyzer, analyzer, AnalyzingSuggester.EXACT_FIRST | (i==0 ? AnalyzingSuggester.PRESERVE_SEP : 0), 256, -1);
      suggester.build(new TermFreqArrayIterator(keys));
      List<LookupResult> results = suggester.lookup("a a", false, 5);
      assertEquals(1, results.size());
      assertEquals("a b", results.get(0).key);
      assertEquals(50, results.get(0).value);
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        new TermFreq("a ", 50),
        new TermFreq(" a", 60),
      });

    Collections.shuffle(keys, random());
    suggester.build(new TermFreqArrayIterator(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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  public void testQueueExhaustion() throws Exception {
    Analyzer a = new MockAnalyzer(random());
    AnalyzingSuggester suggester = new AnalyzingSuggester(a, a, AnalyzingSuggester.EXACT_FIRST, 256, -1);

    suggester.build(new TermFreqArrayIterator(new TermFreq[] {
          new TermFreq("a", 2),
          new TermFreq("a b c", 3),
          new TermFreq("a c a", 1),
          new TermFreq("a c b", 1),
        }));
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    Analyzer a = new MockAnalyzer(random());

    AnalyzingSuggester suggester = new AnalyzingSuggester(a, a, AnalyzingSuggester.EXACT_FIRST, 256, -1);

    suggester.build(new TermFreqArrayIterator(new TermFreq[] {
          new TermFreq("a", 5),
          new TermFreq("a b", 3),
          new TermFreq("a c", 4),
        }));
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      }
    };

    AnalyzingSuggester suggester = new AnalyzingSuggester(a, a, 0, 256, -1);

    suggester.build(new TermFreqArrayIterator(new TermFreq[] {
          new TermFreq("hambone", 6),
          new TermFreq("nellie", 5),
        }));

    List<LookupResult> results = suggester.lookup("nellie", false, 2);
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      }
    };

    AnalyzingSuggester suggester = new AnalyzingSuggester(a, a, 0, 256, -1);

    suggester.build(new TermFreqArrayIterator(new TermFreq[] {
          new TermFreq("a", 6),
          new TermFreq("b", 5),
        }));

    List<LookupResult> results = suggester.lookup("a", false, 2);
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        }
      };

    AnalyzingSuggester suggester = new AnalyzingSuggester(a, a, 0, 256, -1);

    suggester.build(new TermFreqArrayIterator(new TermFreq[] {
          new TermFreq("a a", 50),
          new TermFreq("a b", 50),
        }));
  }
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Related Classes of org.apache.lucene.search.suggest.TermFreqArrayIterator

  • org.apache.lucene.search.suggest.analyzing.AnalyzingSuggesterTest
  • org.apache.lucene.search.suggest.analyzing.FuzzySuggesterTest
  • org.apache.lucene.search.suggest.fst.FSTLookupTest
  • org.apache.lucene.search.suggest.fst.WFSTCompletionTest
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