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

Example 1 with BoostQuery

use of org.apache.lucene.search.BoostQuery in project elasticsearch by elastic.

the class MultiMatchQuery method parseAndApply.

private Query parseAndApply(Type type, String fieldName, Object value, String minimumShouldMatch, Float boostValue) throws IOException {
    Query query = parse(type, fieldName, value);
    query = Queries.maybeApplyMinimumShouldMatch(query, minimumShouldMatch);
    if (query != null && boostValue != null && boostValue != AbstractQueryBuilder.DEFAULT_BOOST) {
        query = new BoostQuery(query, boostValue);
    }
    return query;
}

Example 2 with BoostQuery

use of org.apache.lucene.search.BoostQuery in project elasticsearch by elastic.

the class QueryAnalyzerTests method testExtractQueryMetadata_boostQuery.

public void testExtractQueryMetadata_boostQuery() {
    TermQuery termQuery1 = new TermQuery(new Term("_field", "_term"));
    BoostQuery constantScoreQuery = new BoostQuery(termQuery1, 1f);
    Result result = analyze(constantScoreQuery);
    assertThat(result.verified, is(true));
    List<Term> terms = new ArrayList<>(result.terms);
    assertThat(terms.size(), equalTo(1));
    assertThat(terms.get(0).field(), equalTo(termQuery1.getTerm().field()));
    assertThat(terms.get(0).bytes(), equalTo(termQuery1.getTerm().bytes()));
}

Example 3 with BoostQuery

use of org.apache.lucene.search.BoostQuery in project elasticsearch by elastic.

the class DisMaxQueryBuilderTests method testToQueryInnerPrefixQuery.

public void testToQueryInnerPrefixQuery() throws Exception {
    assumeTrue("test runs only when at least a type is registered", getCurrentTypes().length > 0);
    String queryAsString = "{\n" + "    \"dis_max\":{\n" + "        \"queries\":[\n" + "            {\n" + "                \"prefix\":{\n" + "                    \"" + STRING_FIELD_NAME + "\":{\n" + "                        \"value\":\"sh\",\n" + "                        \"boost\":1.2\n" + "                    }\n" + "                }\n" + "            }\n" + "        ]\n" + "    }\n" + "}";
    Query query = parseQuery(queryAsString).toQuery(createShardContext());
    assertThat(query, instanceOf(DisjunctionMaxQuery.class));
    DisjunctionMaxQuery disjunctionMaxQuery = (DisjunctionMaxQuery) query;
    List<Query> disjuncts = disjunctionMaxQuery.getDisjuncts();
    assertThat(disjuncts.size(), equalTo(1));
    assertThat(disjuncts.get(0), instanceOf(BoostQuery.class));
    BoostQuery boostQuery = (BoostQuery) disjuncts.get(0);
    assertThat((double) boostQuery.getBoost(), closeTo(1.2, 0.00001));
    assertThat(boostQuery.getQuery(), instanceOf(PrefixQuery.class));
    PrefixQuery firstQ = (PrefixQuery) boostQuery.getQuery();
    // since age is automatically registered in data, we encode it as numeric
    assertThat(firstQ.getPrefix(), equalTo(new Term(STRING_FIELD_NAME, "sh")));
}

Example 4 with BoostQuery

use of org.apache.lucene.search.BoostQuery in project elasticsearch by elastic.

the class FuzzyQueryBuilderTests method testToQueryWithStringField.

public void testToQueryWithStringField() throws IOException {
    assumeTrue("test runs only when at least a type is registered", getCurrentTypes().length > 0);
    String query = "{\n" + "    \"fuzzy\":{\n" + "        \"" + STRING_FIELD_NAME + "\":{\n" + "            \"value\":\"sh\",\n" + "            \"fuzziness\": \"AUTO\",\n" + "            \"prefix_length\":1,\n" + "            \"boost\":2.0\n" + "        }\n" + "    }\n" + "}";
    Query parsedQuery = parseQuery(query).toQuery(createShardContext());
    assertThat(parsedQuery, instanceOf(BoostQuery.class));
    BoostQuery boostQuery = (BoostQuery) parsedQuery;
    assertThat(boostQuery.getBoost(), equalTo(2.0f));
    assertThat(boostQuery.getQuery(), instanceOf(FuzzyQuery.class));
    FuzzyQuery fuzzyQuery = (FuzzyQuery) boostQuery.getQuery();
    assertThat(fuzzyQuery.getTerm(), equalTo(new Term(STRING_FIELD_NAME, "sh")));
    assertThat(fuzzyQuery.getMaxEdits(), equalTo(Fuzziness.AUTO.asDistance("sh")));
    assertThat(fuzzyQuery.getPrefixLength(), equalTo(1));
}

Example 5 with BoostQuery

use of org.apache.lucene.search.BoostQuery in project elasticsearch by elastic.

the class MultiMatchQueryBuilderTests method testToQueryBoost.

public void testToQueryBoost() throws IOException {
    assumeTrue("test runs only when at least a type is registered", getCurrentTypes().length > 0);
    QueryShardContext shardContext = createShardContext();
    MultiMatchQueryBuilder multiMatchQueryBuilder = new MultiMatchQueryBuilder("test");
    multiMatchQueryBuilder.field(STRING_FIELD_NAME, 5f);
    Query query = multiMatchQueryBuilder.toQuery(shardContext);
    assertTermOrBoostQuery(query, STRING_FIELD_NAME, "test", 5f);
    multiMatchQueryBuilder = new MultiMatchQueryBuilder("test");
    multiMatchQueryBuilder.field(STRING_FIELD_NAME, 5f);
    multiMatchQueryBuilder.boost(2f);
    query = multiMatchQueryBuilder.toQuery(shardContext);
    assertThat(query, instanceOf(BoostQuery.class));
    BoostQuery boostQuery = (BoostQuery) query;
    assertThat(boostQuery.getBoost(), equalTo(2f));
    assertTermOrBoostQuery(boostQuery.getQuery(), STRING_FIELD_NAME, "test", 5f);
}