Examples with RoaringBitmap org.roaringbitmap.RoaringBitmap used on opensource projects

Example 11 with RoaringBitmap

use of org.roaringbitmap.RoaringBitmap in project Gaffer by gchq.

the class RoaringBitmapSerialiser method deserialise.

@Override
public Object deserialise(final byte[] bytes) throws SerialisationException {
    RoaringBitmap value = new RoaringBitmap();
    byte[] convertedBytes = RoaringBitmapUtils.upConvertSerialisedForm(bytes);
    ByteArrayInputStream byteIn = new ByteArrayInputStream(convertedBytes);
    DataInputStream in = new DataInputStream(byteIn);
    try {
        value.deserialize(in);
    } catch (final IOException e) {
        throw new SerialisationException(e.getMessage(), e);
    }
    return value;
}

Example 12 with RoaringBitmap

use of org.roaringbitmap.RoaringBitmap in project Gaffer by gchq.

the class RoaringBitmapAggregatorTest method singleInputBitmapGeneratesIdenticalOutputBitmap.

@Test
public void singleInputBitmapGeneratesIdenticalOutputBitmap() {
    RoaringBitmap inputBitmap = new RoaringBitmap();
    int input1 = 123298333;
    int input2 = 342903339;
    inputBitmap.add(input1);
    inputBitmap.add(input2);
    RoaringBitmapAggregator roaringBitmapAggregator = new RoaringBitmapAggregator();
    roaringBitmapAggregator.init();
    roaringBitmapAggregator._aggregate(inputBitmap);
    assertEquals(2, ((RoaringBitmap) roaringBitmapAggregator.state()[0]).getCardinality());
    assertEquals(inputBitmap, roaringBitmapAggregator.state()[0]);
}