Examples with BoostQuery org.apache.lucene.search.BoostQuery used on opensource projects

Example 26 with BoostQuery

use of org.apache.lucene.search.BoostQuery in project lucene-solr by apache.

the class FastVectorHighlighterTest method clause.

private Query clause(String field, float boost, String... terms) {
    Query q;
    if (terms.length == 1) {
        q = new TermQuery(new Term(field, terms[0]));
    } else {
        q = new PhraseQuery(field, terms);
    }
    q = new BoostQuery(q, boost);
    return q;
}

Example 27 with BoostQuery

use of org.apache.lucene.search.BoostQuery in project lucene-solr by apache.

the class FieldQueryTest method testFlattenConstantScoreQuery.

public void testFlattenConstantScoreQuery() throws Exception {
    initBoost();
    Query query = new ConstantScoreQuery(pqF("A"));
    query = new BoostQuery(query, boost);
    FieldQuery fq = new FieldQuery(query, true, true);
    Set<Query> flatQueries = new HashSet<>();
    fq.flatten(query, reader, flatQueries, 1f);
    assertCollectionQueries(flatQueries, tq(boost, "A"));
}

Example 28 with BoostQuery

use of org.apache.lucene.search.BoostQuery in project lucene-solr by apache.

the class FieldQueryTest method testFlattenDisjunctionMaxQuery.

public void testFlattenDisjunctionMaxQuery() throws Exception {
    initBoost();
    Query query = dmq(tq("A"), tq("B"), pqF("C", "D"));
    query = new BoostQuery(query, boost);
    FieldQuery fq = new FieldQuery(query, true, true);
    Set<Query> flatQueries = new HashSet<>();
    fq.flatten(query, reader, flatQueries, 1f);
    assertCollectionQueries(flatQueries, tq(boost, "A"), tq(boost, "B"), pqF(boost, "C", "D"));
}

Example 29 with BoostQuery

use of org.apache.lucene.search.BoostQuery in project lucene-solr by apache.

the class FieldQueryTest method testFlattenBoolean.

public void testFlattenBoolean() throws Exception {
    initBoost();
    BooleanQuery.Builder booleanQueryB = new BooleanQuery.Builder();
    booleanQueryB.add(tq("A"), Occur.MUST);
    booleanQueryB.add(tq("B"), Occur.MUST);
    booleanQueryB.add(tq("C"), Occur.SHOULD);
    BooleanQuery.Builder innerQuery = new BooleanQuery.Builder();
    innerQuery.add(tq("D"), Occur.MUST);
    innerQuery.add(tq("E"), Occur.MUST);
    booleanQueryB.add(innerQuery.build(), Occur.MUST_NOT);
    Query booleanQuery = booleanQueryB.build();
    booleanQuery = new BoostQuery(booleanQuery, boost);
    FieldQuery fq = new FieldQuery(booleanQuery, true, true);
    Set<Query> flatQueries = new HashSet<>();
    fq.flatten(booleanQuery, reader, flatQueries, 1f);
    assertCollectionQueries(flatQueries, tq(boost, "A"), tq(boost, "B"), tq(boost, "C"));
}

Example 30 with BoostQuery

use of org.apache.lucene.search.BoostQuery in project lucene-solr by apache.

the class MoreLikeThis method createQuery.

/**
   * Create the More like query from a PriorityQueue
   */
private Query createQuery(PriorityQueue<ScoreTerm> q) {
    BooleanQuery.Builder query = new BooleanQuery.Builder();
    ScoreTerm scoreTerm;
    float bestScore = -1;
    while ((scoreTerm = q.pop()) != null) {
        Query tq = new TermQuery(new Term(scoreTerm.topField, scoreTerm.word));
        if (boost) {
            if (bestScore == -1) {
                bestScore = (scoreTerm.score);
            }
            float myScore = (scoreTerm.score);
            tq = new BoostQuery(tq, boostFactor * myScore / bestScore);
        }
        try {
            query.add(tq, BooleanClause.Occur.SHOULD);
        } catch (BooleanQuery.TooManyClauses ignore) {
            break;
        }
    }
    return query.build();
}