Examples with HyperLogLogPlus com.clearspring.analytics.stream.cardinality.HyperLogLogPlus used on opensource projects

Example 56 with HyperLogLogPlus

use of com.clearspring.analytics.stream.cardinality.HyperLogLogPlus in project Gaffer by gchq.

the class HyperLogLogPlusJsonSerialisationTest method shouldDeserialiseNewHllpWithOffers.

@Test
public void shouldDeserialiseNewHllpWithOffers() throws IOException {
    // Given
    final String sketchAsString = "{\"p\": 5, \"sp\": 5, \"offers\": [\"value1\", \"value2\", \"value2\", \"value2\", \"value3\"]}";
    // When
    HyperLogLogPlus hllp = JSONSerialiser.deserialise(sketchAsString, HyperLogLogPlus.class);
    // Then
    HyperLogLogPlus expected = new HyperLogLogPlus(5, 5);
    expected.offer("value1");
    expected.offer("value2");
    expected.offer("value2");
    expected.offer("value2");
    expected.offer("value3");
    assertArrayEquals(expected.getBytes(), hllp.getBytes());
}

Example 57 with HyperLogLogPlus

use of com.clearspring.analytics.stream.cardinality.HyperLogLogPlus in project Gaffer by gchq.

the class HyperLogLogPlusJsonSerialisationTest method shouldDeserialiseNewNestedHllpWithSAndSpValues.

@Test
public void shouldDeserialiseNewNestedHllpWithSAndSpValues() throws IOException {
    // Given
    final String sketchAsString = "{\"hyperLogLogPlus\": {\"p\": 5, \"sp\": 10}}";
    // When
    HyperLogLogPlus hllp = JSONSerialiser.deserialise(sketchAsString, HyperLogLogPlus.class);
    // Then
    assertArrayEquals(new HyperLogLogPlus(5, 10).getBytes(), hllp.getBytes());
}

Example 58 with HyperLogLogPlus

use of com.clearspring.analytics.stream.cardinality.HyperLogLogPlus in project Gaffer by gchq.

the class IterableToHyperLogLogPlusTest method shouldCreateHllSketchCardinality.

@Test
public void shouldCreateHllSketchCardinality() {
    // Given
    IterableToHyperLogLogPlus iterableToHyperLogLogPlus = new IterableToHyperLogLogPlus();
    List<Object> input = Arrays.asList("one", "one", "two", "two", "three");
    // When
    HyperLogLogPlus result = iterableToHyperLogLogPlus.apply(input);
    // Then
    assertThat(result.cardinality()).isEqualTo(3);
}

Example 59 with HyperLogLogPlus

use of com.clearspring.analytics.stream.cardinality.HyperLogLogPlus in project Gaffer by gchq.

the class HyperLogLogPlusConverterTest method testConverter.

@Test
public void testConverter() throws ConversionException {
    final HyperLogLogPlus hyperLogLogPlus = new HyperLogLogPlus(5, 5);
    hyperLogLogPlus.offer("A");
    hyperLogLogPlus.offer("B");
    assertEquals(hyperLogLogPlus.cardinality(), (long) HYPER_LOG_LOG_PLUS_CONVERTER.convert(hyperLogLogPlus));
    final HyperLogLogPlus emptyHyperLogLogPlus = new HyperLogLogPlus(5, 5);
    assertEquals(emptyHyperLogLogPlus.cardinality(), (long) HYPER_LOG_LOG_PLUS_CONVERTER.convert(emptyHyperLogLogPlus));
}

Example 60 with HyperLogLogPlus

use of com.clearspring.analytics.stream.cardinality.HyperLogLogPlus in project Gaffer by gchq.

the class HyperLogLogPlusKryoSerializerTest method getTestObject.

@Override
protected HyperLogLogPlus getTestObject() {
    final HyperLogLogPlus hyperLogLogPlus = new HyperLogLogPlus(5, 5);
    IntStream.range(0, 1000).forEach(i -> hyperLogLogPlus.offer("" + i));
    return hyperLogLogPlus;
}