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

Example 36 with HyperLogLogPlus

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

the class HyperLogLogPlusJsonSerialisationTest method testNullHyperLogLogPlusSketchIsSerialisedAsNullString.

@Test
public void testNullHyperLogLogPlusSketchIsSerialisedAsNullString() throws JsonProcessingException {
    // Given
    final HyperLogLogPlus sketch = null;
    // When
    final String sketchAsString = mapper.writeValueAsString(sketch);
    // Then - Serialisation framework will serialise nulls as 'null' string.
    assertEquals("null", sketchAsString);
}

Example 37 with HyperLogLogPlus

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

the class HyperLogLogPlusAggregatorTest method shouldBeNotEqualWhenSecondAggregatorsHasNullHllp.

@Test
public void shouldBeNotEqualWhenSecondAggregatorsHasNullHllp() throws IOException {
    // Given
    final HyperLogLogPlusAggregator aggregator1 = new HyperLogLogPlusAggregator();
    final HyperLogLogPlusAggregator aggregator2 = new HyperLogLogPlusAggregator();
    final HyperLogLogPlus hllp1 = new HyperLogLogPlus(5, 5);
    hllp1.offer("A");
    hllp1.offer("B");
    aggregator1._aggregate(hllp1);
    // Then
    assertNotEquals(aggregator1, aggregator2);
}

Example 38 with HyperLogLogPlus

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

the class HyperLogLogPlusAggregatorTest method shouldBeNotEqualWhenFirstAggregatorsHasNullHllp.

@Test
public void shouldBeNotEqualWhenFirstAggregatorsHasNullHllp() throws IOException {
    // Given
    final HyperLogLogPlusAggregator aggregator1 = new HyperLogLogPlusAggregator();
    final HyperLogLogPlusAggregator aggregator2 = new HyperLogLogPlusAggregator();
    final HyperLogLogPlus hllp2 = new HyperLogLogPlus(5, 5);
    hllp2.offer("A");
    hllp2.offer("C");
    aggregator2._aggregate(hllp2);
    // Then
    assertNotEquals(aggregator1, aggregator2);
}

Example 39 with HyperLogLogPlus

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

the class HyperLogLogPlusAggregatorTest method setupHllp.

private void setupHllp(final int p, final int sp) {
    hyperLogLogPlus1 = new HyperLogLogPlus(p, sp);
    hyperLogLogPlus1.offer("A");
    hyperLogLogPlus1.offer("B");
    hyperLogLogPlus2 = new HyperLogLogPlus(p, sp);
    hyperLogLogPlus2.offer("C");
    hyperLogLogPlus2.offer("D");
}

Example 40 with HyperLogLogPlus

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

the class HyperLogLogPlusAggregatorTest method shouldBeNotEqualWhenBothAggregatorsHaveSketchesWithDifferentPAndSpValues.

@Test
public void shouldBeNotEqualWhenBothAggregatorsHaveSketchesWithDifferentPAndSpValues() throws IOException {
    // Given
    final HyperLogLogPlusAggregator aggregator1 = new HyperLogLogPlusAggregator();
    final HyperLogLogPlusAggregator aggregator2 = new HyperLogLogPlusAggregator();
    final HyperLogLogPlus hllp1 = new HyperLogLogPlus(5, 5);
    hllp1.offer("A");
    hllp1.offer("B");
    final HyperLogLogPlus hllp2 = new HyperLogLogPlus(6, 6);
    hllp2.offer("A");
    hllp2.offer("B");
    aggregator1._aggregate(hllp1);
    aggregator2._aggregate(hllp2);
    // Then
    assertNotEquals(aggregator1, aggregator2);
}