Examples with IntegerSummary org.apache.datasketches.tuple.aninteger.IntegerSummary used on opensource projects

Example 1 with IntegerSummary

use of org.apache.datasketches.tuple.aninteger.IntegerSummary in project sketches-core by DataSketches.

the class TupleExamplesTest method example1.

@Test
public void example1() {
    // Load source sketches
    final UpdatableSketch<Integer, IntegerSummary> tupleSk = tupleBldr.build();
    final UpdateSketch thetaSk = thetaBldr.build();
    for (int i = 1; i <= 12; i++) {
        tupleSk.update(i, 1);
        thetaSk.update(i + 3);
    }
    // Union stateful: tuple, theta
    final Union<IntegerSummary> union = new Union<>(isso);
    union.union(tupleSk);
    union.union(thetaSk, ufactory.newSummary().update(1));
    final CompactSketch<IntegerSummary> ucsk = union.getResult();
    int entries = ucsk.getRetainedEntries();
    println("Union Stateful: tuple, theta: " + entries);
    final SketchIterator<IntegerSummary> uiter = ucsk.iterator();
    int counter = 1;
    int twos = 0;
    int ones = 0;
    while (uiter.next()) {
        final int i = uiter.getSummary().getValue();
        // 9 entries = 2, 6 entries = 1
        println(counter++ + ", " + i);
        if (i == 1) {
            ones++;
        }
        if (i == 2) {
            twos++;
        }
    }
    assertEquals(ones, 6);
    assertEquals(twos, 9);
    // Intersection stateful: tuple, theta
    final Intersection<IntegerSummary> inter = new Intersection<>(isso);
    inter.intersect(tupleSk);
    inter.intersect(thetaSk, ifactory.newSummary().update(1));
    final CompactSketch<IntegerSummary> icsk = inter.getResult();
    entries = icsk.getRetainedEntries();
    println("Intersection Stateful: tuple, theta: " + entries);
    final SketchIterator<IntegerSummary> iiter = icsk.iterator();
    counter = 1;
    while (iiter.next()) {
        final int i = iiter.getSummary().getValue();
        // 9 entries = 1
        println(counter++ + ", " + i);
        assertEquals(i, 1);
    }
}

Example 2 with IntegerSummary

use of org.apache.datasketches.tuple.aninteger.IntegerSummary in project sketches-core by DataSketches.

the class TupleExamplesTest method example3.

@Test
public void example3() {
    // Load source sketches
    final UpdatableSketch<Integer, IntegerSummary> tupleSk = tupleBldr.build();
    final UpdateSketch thetaSk = thetaBldr.build();
    for (int i = 1; i <= 12; i++) {
        tupleSk.update(i, 1);
        thetaSk.update(i + 3);
    }
    // Union, stateless: tuple1, tuple2
    final Union<IntegerSummary> union = new Union<>(isso);
    final CompactSketch<IntegerSummary> ucsk = union.union(tupleSk, thetaSk, ufactory.newSummary().update(1));
    int entries = ucsk.getRetainedEntries();
    println("Union: " + entries);
    final SketchIterator<IntegerSummary> uiter = ucsk.iterator();
    int counter = 1;
    int twos = 0;
    int ones = 0;
    while (uiter.next()) {
        final int i = uiter.getSummary().getValue();
        // 9 entries = 2, 6 entries = 1
        println(counter++ + ", " + i);
        if (i == 1) {
            ones++;
        }
        if (i == 2) {
            twos++;
        }
    }
    assertEquals(ones, 6);
    assertEquals(twos, 9);
    // Intersection stateless: tuple1, tuple2
    final Intersection<IntegerSummary> inter = new Intersection<>(isso);
    final CompactSketch<IntegerSummary> icsk = inter.intersect(tupleSk, thetaSk, ufactory.newSummary().update(1));
    entries = icsk.getRetainedEntries();
    println("Intersection: " + entries);
    final SketchIterator<IntegerSummary> iiter = icsk.iterator();
    counter = 1;
    while (iiter.next()) {
        final int i = iiter.getSummary().getValue();
        // 9 entries = 2
        println(counter++ + ", " + i);
        assertEquals(i, 1);
    }
}