Examples with SegmentReadState org.apache.lucene.index.SegmentReadState used on opensource projects

Example 1 with SegmentReadState

use of org.apache.lucene.index.SegmentReadState in project lucene-solr by apache.

the class BaseGeoPointTestCase method doRandomDistanceTest.

private void doRandomDistanceTest(int numDocs, int numQueries) throws IOException {
    Directory dir = newDirectory();
    IndexWriterConfig iwc = newIndexWriterConfig();
    // Else seeds may not reproduce:
    iwc.setMergeScheduler(new SerialMergeScheduler());
    int pointsInLeaf = 2 + random().nextInt(4);
    iwc.setCodec(new FilterCodec("Lucene70", TestUtil.getDefaultCodec()) {

        @Override
        public PointsFormat pointsFormat() {
            return new PointsFormat() {

                @Override
                public PointsWriter fieldsWriter(SegmentWriteState writeState) throws IOException {
                    return new Lucene60PointsWriter(writeState, pointsInLeaf, BKDWriter.DEFAULT_MAX_MB_SORT_IN_HEAP);
                }

                @Override
                public PointsReader fieldsReader(SegmentReadState readState) throws IOException {
                    return new Lucene60PointsReader(readState);
                }
            };
        }
    });
    RandomIndexWriter writer = new RandomIndexWriter(random(), dir, iwc);
    for (int i = 0; i < numDocs; i++) {
        double latRaw = nextLatitude();
        double lonRaw = nextLongitude();
        // pre-normalize up front, so we can just use quantized value for testing and do simple exact comparisons
        double lat = quantizeLat(latRaw);
        double lon = quantizeLon(lonRaw);
        Document doc = new Document();
        addPointToDoc("field", doc, lat, lon);
        doc.add(new StoredField("lat", lat));
        doc.add(new StoredField("lon", lon));
        writer.addDocument(doc);
    }
    IndexReader reader = writer.getReader();
    IndexSearcher searcher = newSearcher(reader);
    for (int i = 0; i < numQueries; i++) {
        double lat = nextLatitude();
        double lon = nextLongitude();
        double radius = 50000000D * random().nextDouble();
        BitSet expected = new BitSet();
        for (int doc = 0; doc < reader.maxDoc(); doc++) {
            double docLatitude = reader.document(doc).getField("lat").numericValue().doubleValue();
            double docLongitude = reader.document(doc).getField("lon").numericValue().doubleValue();
            double distance = SloppyMath.haversinMeters(lat, lon, docLatitude, docLongitude);
            if (distance <= radius) {
                expected.set(doc);
            }
        }
        TopDocs topDocs = searcher.search(newDistanceQuery("field", lat, lon, radius), reader.maxDoc(), Sort.INDEXORDER);
        BitSet actual = new BitSet();
        for (ScoreDoc doc : topDocs.scoreDocs) {
            actual.set(doc.doc);
        }
        try {
            assertEquals(expected, actual);
        } catch (AssertionError e) {
            System.out.println("center: (" + lat + "," + lon + "), radius=" + radius);
            for (int doc = 0; doc < reader.maxDoc(); doc++) {
                double docLatitude = reader.document(doc).getField("lat").numericValue().doubleValue();
                double docLongitude = reader.document(doc).getField("lon").numericValue().doubleValue();
                double distance = SloppyMath.haversinMeters(lat, lon, docLatitude, docLongitude);
                System.out.println("" + doc + ": (" + docLatitude + "," + docLongitude + "), distance=" + distance);
            }
            throw e;
        }
    }
    reader.close();
    writer.close();
    dir.close();
}

Example 2 with SegmentReadState

use of org.apache.lucene.index.SegmentReadState in project lucene-solr by apache.

the class TestGeo3DPoint method getCodec.

private static Codec getCodec() {
    if (Codec.getDefault().getName().equals("Lucene70")) {
        int maxPointsInLeafNode = TestUtil.nextInt(random(), 16, 2048);
        double maxMBSortInHeap = 3.0 + (3 * random().nextDouble());
        if (VERBOSE) {
            System.out.println("TEST: using Lucene60PointsFormat with maxPointsInLeafNode=" + maxPointsInLeafNode + " and maxMBSortInHeap=" + maxMBSortInHeap);
        }
        return new FilterCodec("Lucene70", Codec.getDefault()) {

            @Override
            public PointsFormat pointsFormat() {
                return new PointsFormat() {

                    @Override
                    public PointsWriter fieldsWriter(SegmentWriteState writeState) throws IOException {
                        return new Lucene60PointsWriter(writeState, maxPointsInLeafNode, maxMBSortInHeap);
                    }

                    @Override
                    public PointsReader fieldsReader(SegmentReadState readState) throws IOException {
                        return new Lucene60PointsReader(readState);
                    }
                };
            }
        };
    } else {
        return Codec.getDefault();
    }
}

Example 3 with SegmentReadState

use of org.apache.lucene.index.SegmentReadState in project lucene-solr by apache.

the class TestPointQueries method getCodec.

private static Codec getCodec() {
    if (Codec.getDefault().getName().equals("Lucene70")) {
        int maxPointsInLeafNode = TestUtil.nextInt(random(), 16, 2048);
        double maxMBSortInHeap = 5.0 + (3 * random().nextDouble());
        if (VERBOSE) {
            System.out.println("TEST: using Lucene60PointsFormat with maxPointsInLeafNode=" + maxPointsInLeafNode + " and maxMBSortInHeap=" + maxMBSortInHeap);
        }
        return new FilterCodec("Lucene70", Codec.getDefault()) {

            @Override
            public PointsFormat pointsFormat() {
                return new PointsFormat() {

                    @Override
                    public PointsWriter fieldsWriter(SegmentWriteState writeState) throws IOException {
                        return new Lucene60PointsWriter(writeState, maxPointsInLeafNode, maxMBSortInHeap);
                    }

                    @Override
                    public PointsReader fieldsReader(SegmentReadState readState) throws IOException {
                        return new Lucene60PointsReader(readState);
                    }
                };
            }
        };
    } else {
        return Codec.getDefault();
    }
}