Examples with DoubleSummaryFactory org.apache.datasketches.tuple.adouble.DoubleSummaryFactory used on opensource projects

Example 1 with DoubleSummaryFactory

use of org.apache.datasketches.tuple.adouble.DoubleSummaryFactory in project sketches-core by DataSketches.

the class CompactSketchWithDoubleSummaryTest method serializeDeserializeSmallExact.

@Test
public void serializeDeserializeSmallExact() {
    UpdatableSketch<Double, DoubleSummary> us = new UpdatableSketchBuilder<>(new DoubleSummaryFactory(mode)).build();
    us.update("a", 1.0);
    us.update("b", 1.0);
    us.update("c", 1.0);
    CompactSketch<DoubleSummary> sketch1 = us.compact();
    Sketch<DoubleSummary> sketch2 = Sketches.heapifySketch(Memory.wrap(sketch1.toByteArray()), new DoubleSummaryDeserializer());
    Assert.assertFalse(sketch2.isEmpty());
    Assert.assertFalse(sketch2.isEstimationMode());
    Assert.assertEquals(sketch2.getEstimate(), 3.0);
    Assert.assertEquals(sketch2.getLowerBound(1), 3.0);
    Assert.assertEquals(sketch2.getUpperBound(1), 3.0);
    Assert.assertEquals(sketch2.getRetainedEntries(), 3);
    Assert.assertEquals(sketch2.getThetaLong(), Long.MAX_VALUE);
    Assert.assertEquals(sketch2.getTheta(), 1.0);
    SketchIterator<DoubleSummary> it = sketch2.iterator();
    int count = 0;
    while (it.next()) {
        Assert.assertEquals(it.getSummary().getValue(), 1.0);
        count++;
    }
    Assert.assertEquals(count, 3);
}

Example 2 with DoubleSummaryFactory

use of org.apache.datasketches.tuple.adouble.DoubleSummaryFactory in project sketches-core by DataSketches.

the class CompactSketchWithDoubleSummaryTest method deserializeWrongType.

@SuppressWarnings("deprecation")
@Test(expectedExceptions = SketchesArgumentException.class)
public void deserializeWrongType() {
    UpdatableSketch<Double, DoubleSummary> us = new UpdatableSketchBuilder<>(new DoubleSummaryFactory(mode)).build();
    for (int i = 0; i < 8192; i++) {
        us.update(i, 1.0);
    }
    CompactSketch<DoubleSummary> sketch1 = us.compact();
    Sketches.heapifyUpdatableSketch(Memory.wrap(sketch1.toByteArray()), new DoubleSummaryDeserializer(), new DoubleSummaryFactory(mode));
}

Example 3 with DoubleSummaryFactory

use of org.apache.datasketches.tuple.adouble.DoubleSummaryFactory in project sketches-core by DataSketches.

the class MiscTest method checkUpdatableSketchBuilderReset.

@Test
public void checkUpdatableSketchBuilderReset() {
    final DoubleSummary.Mode mode = Mode.Sum;
    final UpdatableSketchBuilder<Double, DoubleSummary> bldr = new UpdatableSketchBuilder<>(new DoubleSummaryFactory(mode));
    bldr.reset();
    final UpdatableSketch<Double, DoubleSummary> sk = bldr.build();
    assertTrue(sk.isEmpty());
}

Example 4 with DoubleSummaryFactory

use of org.apache.datasketches.tuple.adouble.DoubleSummaryFactory in project sketches-core by DataSketches.

the class CompactSketchWithDoubleSummaryTest method serializeDeserializeEstimation.

@Test
public void serializeDeserializeEstimation() throws Exception {
    UpdatableSketch<Double, DoubleSummary> us = new UpdatableSketchBuilder<>(new DoubleSummaryFactory(mode)).build();
    for (int i = 0; i < 8192; i++) {
        us.update(i, 1.0);
    }
    us.trim();
    CompactSketch<DoubleSummary> sketch1 = us.compact();
    byte[] bytes = sketch1.toByteArray();
    // for binary testing
    // TestUtil.writeBytesToFile(bytes, "CompactSketchWithDoubleSummary4K.sk");
    Sketch<DoubleSummary> sketch2 = Sketches.heapifySketch(Memory.wrap(bytes), new DoubleSummaryDeserializer());
    Assert.assertFalse(sketch2.isEmpty());
    Assert.assertTrue(sketch2.isEstimationMode());
    Assert.assertEquals(sketch2.getEstimate(), sketch1.getEstimate());
    Assert.assertEquals(sketch2.getThetaLong(), sketch1.getThetaLong());
    SketchIterator<DoubleSummary> it = sketch2.iterator();
    int count = 0;
    while (it.next()) {
        Assert.assertEquals(it.getSummary().getValue(), 1.0);
        count++;
    }
    Assert.assertEquals(count, 4096);
}

Example 5 with DoubleSummaryFactory

use of org.apache.datasketches.tuple.adouble.DoubleSummaryFactory in project sketches-core by DataSketches.

the class MiscTest method checkCopyCtor.

@Test
public void checkCopyCtor() {
    final DoubleSummary.Mode mode = Mode.Sum;
    final UpdatableSketchBuilder<Double, DoubleSummary> bldr = new UpdatableSketchBuilder<>(new DoubleSummaryFactory(mode));
    bldr.reset();
    final UpdatableSketch<Double, DoubleSummary> sk = bldr.build();
    sk.update(1.0, 1.0);
    assertEquals(sk.getRetainedEntries(), 1);
    final UpdatableSketch<Double, DoubleSummary> sk2 = sk.copy();
    assertEquals(sk2.getRetainedEntries(), 1);
}