Examples with ConstValueSource org.apache.lucene.queries.function.valuesource.ConstValueSource used on opensource projects

Example 1 with ConstValueSource

use of org.apache.lucene.queries.function.valuesource.ConstValueSource in project lucene-solr by apache.

the class TestValueSources method testIf.

public void testIf() throws Exception {
    ValueSource vs = new IfFunction(new BytesRefFieldSource("id"), // match
    new ConstValueSource(1.0f), new ConstValueSource(2.0f));
    assertHits(new FunctionQuery(vs), new float[] { 1f, 1f });
    assertAllExist(vs);
    // true just if a test value exists...
    vs = new IfFunction(new LiteralValueSource("false"), // match
    new ConstValueSource(1.0f), new ConstValueSource(2.0f));
    assertHits(new FunctionQuery(vs), new float[] { 1f, 1f });
    assertAllExist(vs);
    // false value if tests value does not exist
    vs = new IfFunction(BOGUS_FLOAT_VS, new ConstValueSource(1.0f), // match
    new ConstValueSource(2.0f));
    assertHits(new FunctionQuery(vs), new float[] { 2F, 2F });
    assertAllExist(vs);
    // final value may still not exist
    vs = new IfFunction(new BytesRefFieldSource("id"), // match
    BOGUS_FLOAT_VS, new ConstValueSource(1.0f));
    assertNoneExist(vs);
}

Example 2 with ConstValueSource

use of org.apache.lucene.queries.function.valuesource.ConstValueSource in project lucene-solr by apache.

the class TestValueSources method testProduct.

public void testProduct() throws Exception {
    ValueSource vs = new ProductFloatFunction(new ValueSource[] { new ConstValueSource(2f), new ConstValueSource(3f) });
    assertHits(new FunctionQuery(vs), new float[] { 6f, 6f });
    assertAllExist(vs);
    vs = new ProductFloatFunction(new ValueSource[] { BOGUS_FLOAT_VS, new ConstValueSource(3f) });
    assertNoneExist(vs);
}

Example 3 with ConstValueSource

use of org.apache.lucene.queries.function.valuesource.ConstValueSource in project lucene-solr by apache.

the class TestCustomScoreExplanations method testSubExplanations.

public void testSubExplanations() throws IOException {
    Query query = new FunctionQuery(new ConstValueSource(5));
    IndexSearcher searcher = newSearcher(BaseExplanationTestCase.searcher.getIndexReader());
    searcher.setSimilarity(new BM25Similarity());
    Explanation expl = searcher.explain(query, 0);
    assertEquals(2, expl.getDetails().length);
    // function
    assertEquals(5f, expl.getDetails()[0].getValue(), 0f);
    // boost
    assertEquals("boost", expl.getDetails()[1].getDescription());
    assertEquals(1f, expl.getDetails()[1].getValue(), 0f);
    query = new BoostQuery(query, 2);
    expl = searcher.explain(query, 0);
    assertEquals(2, expl.getDetails().length);
    // function
    assertEquals(5f, expl.getDetails()[0].getValue(), 0f);
    // boost
    assertEquals("boost", expl.getDetails()[1].getDescription());
    assertEquals(2f, expl.getDetails()[1].getValue(), 0f);
    // in order to have a queryNorm != 1
    searcher.setSimilarity(new ClassicSimilarity());
    expl = searcher.explain(query, 0);
    assertEquals(2, expl.getDetails().length);
    // function
    assertEquals(5f, expl.getDetails()[0].getValue(), 0f);
    // boost
    assertEquals("boost", expl.getDetails()[1].getDescription());
    assertEquals(2f, expl.getDetails()[1].getValue(), 0f);
}

Example 4 with ConstValueSource

use of org.apache.lucene.queries.function.valuesource.ConstValueSource in project lucene-solr by apache.

the class TestCustomScoreExplanations method testBoost.

public void testBoost() throws Exception {
    Query q = new TermQuery(new Term(FIELD, "w1"));
    CustomScoreQuery csq = new CustomScoreQuery(q, new FunctionQuery(new ConstValueSource(5)));
    qtest(new BoostQuery(csq, 4), new int[] { 0, 1, 2, 3 });
}

Example 5 with ConstValueSource

use of org.apache.lucene.queries.function.valuesource.ConstValueSource in project lucene-solr by apache.

the class TestBoostedQuery method testBasic.

public void testBasic() throws Exception {
    Query q = new MatchAllDocsQuery();
    TopDocs docs = is.search(q, 10);
    assertEquals(1, docs.totalHits);
    float score = docs.scoreDocs[0].score;
    Query boostedQ = new BoostedQuery(q, new ConstValueSource(2.0f));
    assertHits(boostedQ, new float[] { score * 2 });
}