Example usage for org.apache.lucene.search.similarities AxiomaticF3LOG AxiomaticF3LOG

Introduction

In this page you can find the example usage for org.apache.lucene.search.similarities AxiomaticF3LOG AxiomaticF3LOG.

Prototype

public AxiomaticF3LOG(float s, int queryLen) 

Source Link

Document

Constructor setting s and queryLen, letting k to default

Usage

From source file:com.o19s.es.ltr.query.LtrQueryTests.java

License:Apache License

@Before
public void setupIndex() throws IOException {
    dirUnderTest = newDirectory();// w  w  w.jav a2 s . co m
    List<Similarity> sims = Arrays.asList(new ClassicSimilarity(), new SweetSpotSimilarity(), // extends Classic
            new BM25Similarity(), new LMDirichletSimilarity(), new BooleanSimilarity(),
            new LMJelinekMercerSimilarity(0.2F), new AxiomaticF3LOG(0.5F, 10),
            new DFISimilarity(new IndependenceChiSquared()),
            new DFRSimilarity(new BasicModelBE(), new AfterEffectB(), new NormalizationH1()),
            new IBSimilarity(new DistributionLL(), new LambdaDF(), new NormalizationH3()));
    similarity = sims.get(random().nextInt(sims.size()));

    indexWriterUnderTest = new RandomIndexWriter(random(), dirUnderTest,
            newIndexWriterConfig().setSimilarity(similarity));
    for (int i = 0; i < docs.length; i++) {
        Document doc = new Document();
        doc.add(newStringField("id", "" + i, Field.Store.YES));
        doc.add(newField("field", docs[i], Store.YES));
        indexWriterUnderTest.addDocument(doc);
    }
    indexWriterUnderTest.commit();
    indexWriterUnderTest.forceMerge(1);
    indexWriterUnderTest.flush();

    indexReaderUnderTest = indexWriterUnderTest.getReader();
    searcherUnderTest = newSearcher(indexReaderUnderTest);
    searcherUnderTest.setSimilarity(similarity);
}

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