Examples of IDFValueSource

org.apache.lucene.queries.function.valuesource.IDFValueSource
Function that returns {@link TFIDFSimilarity#idf(long,long)}for every document.
Note that the configured Similarity for the field must be a subclass of {@link TFIDFSimilarity} @lucene.internal

Examples of org.apache.lucene.queries.function.valuesource.IDFValueSource

  public void testIDF() throws Exception {
    Similarity saved = searcher.getSimilarity();
    try {
      searcher.setSimilarity(new DefaultSimilarity());
      assertHits(new FunctionQuery(
          new IDFValueSource("bogus", "bogus", "text", new BytesRef("test"))),
          new float[] { 0.5945349f, 0.5945349f });
    } finally {
      searcher.setSimilarity(saved);
    }
  }

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Examples of org.apache.lucene.queries.function.valuesource.IDFValueSource

  public void testIDF() throws Exception {
    Similarity saved = searcher.getSimilarity();
    try {
      searcher.setSimilarity(new DefaultSimilarity());
      assertHits(new FunctionQuery(
          new IDFValueSource("bogus", "bogus", "text", new BytesRef("test"))),
          new float[] { 0.5945349f, 0.5945349f });
    } finally {
      searcher.setSimilarity(saved);
    }
  }

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