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

Example 16 with MatchNoDocsQuery

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

the class TestSolrCoreParser method testGoodbye.

public void testGoodbye() throws IOException, ParserException {
    final Query query = parseXmlString("<GoodbyeQuery/>");
    assertTrue(query instanceof MatchNoDocsQuery);
}

Example 17 with MatchNoDocsQuery

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

the class SimpleTermRewriteQuery method rewrite.

@Override
public Query rewrite(IndexReader reader) throws IOException {
    final List<Query> luceneSubQueries = new ArrayList<>();
    srndQuery.visitMatchingTerms(reader, fieldName, new SimpleTerm.MatchingTermVisitor() {

        @Override
        public void visitMatchingTerm(Term term) throws IOException {
            luceneSubQueries.add(qf.newTermQuery(term));
        }
    });
    return (luceneSubQueries.size() == 0) ? new MatchNoDocsQuery() : (luceneSubQueries.size() == 1) ? luceneSubQueries.get(0) : SrndBooleanQuery.makeBooleanQuery(/* luceneSubQueries all have default weight */
    luceneSubQueries, BooleanClause.Occur.SHOULD);
/* OR the subquery terms */
}

Example 18 with MatchNoDocsQuery

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

the class LatLonPoint method newBoxQuery.

// static methods for generating queries
/**
   * Create a query for matching a bounding box.
   * <p>
   * The box may cross over the dateline.
   * @param field field name. must not be null.
   * @param minLatitude latitude lower bound: must be within standard +/-90 coordinate bounds.
   * @param maxLatitude latitude upper bound: must be within standard +/-90 coordinate bounds.
   * @param minLongitude longitude lower bound: must be within standard +/-180 coordinate bounds.
   * @param maxLongitude longitude upper bound: must be within standard +/-180 coordinate bounds.
   * @return query matching points within this box
   * @throws IllegalArgumentException if {@code field} is null, or the box has invalid coordinates.
   */
public static Query newBoxQuery(String field, double minLatitude, double maxLatitude, double minLongitude, double maxLongitude) {
    // and should not drag in extra bogus junk! TODO: should encodeCeil just throw ArithmeticException to be less trappy here?
    if (minLatitude == 90.0) {
        // range cannot match as 90.0 can never exist
        return new MatchNoDocsQuery("LatLonPoint.newBoxQuery with minLatitude=90.0");
    }
    if (minLongitude == 180.0) {
        if (maxLongitude == 180.0) {
            // range cannot match as 180.0 can never exist
            return new MatchNoDocsQuery("LatLonPoint.newBoxQuery with minLongitude=maxLongitude=180.0");
        } else if (maxLongitude < minLongitude) {
            // encodeCeil() with dateline wrapping!
            minLongitude = -180.0;
        }
    }
    byte[] lower = encodeCeil(minLatitude, minLongitude);
    byte[] upper = encode(maxLatitude, maxLongitude);
    // Crosses date line: we just rewrite into OR of two bboxes, with longitude as an open range:
    if (maxLongitude < minLongitude) {
        // Disable coord here because a multi-valued doc could match both rects and get unfairly boosted:
        BooleanQuery.Builder q = new BooleanQuery.Builder();
        // E.g.: maxLon = -179, minLon = 179
        byte[] leftOpen = lower.clone();
        // leave longitude open
        NumericUtils.intToSortableBytes(Integer.MIN_VALUE, leftOpen, Integer.BYTES);
        Query left = newBoxInternal(field, leftOpen, upper);
        q.add(new BooleanClause(left, BooleanClause.Occur.SHOULD));
        byte[] rightOpen = upper.clone();
        // leave longitude open
        NumericUtils.intToSortableBytes(Integer.MAX_VALUE, rightOpen, Integer.BYTES);
        Query right = newBoxInternal(field, lower, rightOpen);
        q.add(new BooleanClause(right, BooleanClause.Occur.SHOULD));
        return new ConstantScoreQuery(q.build());
    } else {
        return newBoxInternal(field, lower, upper);
    }
}

Example 19 with MatchNoDocsQuery

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

the class BaseGeoPointTestCase method testEquals.

public void testEquals() throws Exception {
    Query q1, q2;
    Rectangle rect = nextBox();
    q1 = newRectQuery("field", rect.minLat, rect.maxLat, rect.minLon, rect.maxLon);
    q2 = newRectQuery("field", rect.minLat, rect.maxLat, rect.minLon, rect.maxLon);
    assertEquals(q1, q2);
    // changing the field is unrelated to that.
    if (q1 instanceof MatchNoDocsQuery == false) {
        assertFalse(q1.equals(newRectQuery("field2", rect.minLat, rect.maxLat, rect.minLon, rect.maxLon)));
    }
    double lat = nextLatitude();
    double lon = nextLongitude();
    q1 = newDistanceQuery("field", lat, lon, 10000.0);
    q2 = newDistanceQuery("field", lat, lon, 10000.0);
    assertEquals(q1, q2);
    assertFalse(q1.equals(newDistanceQuery("field2", lat, lon, 10000.0)));
    double[] lats = new double[5];
    double[] lons = new double[5];
    lats[0] = rect.minLat;
    lons[0] = rect.minLon;
    lats[1] = rect.maxLat;
    lons[1] = rect.minLon;
    lats[2] = rect.maxLat;
    lons[2] = rect.maxLon;
    lats[3] = rect.minLat;
    lons[3] = rect.maxLon;
    lats[4] = rect.minLat;
    lons[4] = rect.minLon;
    if (supportsPolygons()) {
        q1 = newPolygonQuery("field", new Polygon(lats, lons));
        q2 = newPolygonQuery("field", new Polygon(lats, lons));
        assertEquals(q1, q2);
        assertFalse(q1.equals(newPolygonQuery("field2", new Polygon(lats, lons))));
    }
}

Example 20 with MatchNoDocsQuery

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

the class TestUnifiedHighlighterStrictPhrases method testMatchNoDocsQuery.

public void testMatchNoDocsQuery() throws IOException {
    highlighter = new UnifiedHighlighter(null, indexAnalyzer);
    highlighter.setHighlightPhrasesStrictly(true);
    String content = "whatever";
    Object o = highlighter.highlightWithoutSearcher("body", new MatchNoDocsQuery(), content, 1);
    assertEquals(content, o);
}