Examples with BigInteger java.math.BigInteger used on opensource projects

Example 51 with BigInteger

use of java.math.BigInteger in project hazelcast by hazelcast.

the class MapSumAggregationTest method testBigIntegerSum.

@Test
public void testBigIntegerSum() throws Exception {
    BigInteger[] values = buildPlainValues(new ValueProvider<BigInteger>() {

        @Override
        public BigInteger provideRandom(Random random) {
            return BigInteger.valueOf(10000L + random(1000, 2000));
        }
    }, BigInteger.class);
    BigInteger expectation = BigInteger.ZERO;
    for (int i = 0; i < values.length; i++) {
        expectation = expectation.add(values[i]);
    }
    Aggregation<String, BigInteger, BigInteger> aggregation = Aggregations.bigIntegerSum();
    BigInteger result = testSum(values, aggregation);
    assertEquals(expectation, result);
}

Example 52 with BigInteger

use of java.math.BigInteger in project hazelcast by hazelcast.

the class MapReduceTest method testNullFromObjectCombiner.

@Test(timeout = TEST_TIMEOUT)
public void testNullFromObjectCombiner() throws Exception {
    TestHazelcastInstanceFactory nodeFactory = createHazelcastInstanceFactory(3);
    HazelcastInstance h1 = nodeFactory.newHazelcastInstance();
    HazelcastInstance h2 = nodeFactory.newHazelcastInstance();
    HazelcastInstance h3 = nodeFactory.newHazelcastInstance();
    assertClusterSizeEventually(3, h1);
    assertClusterSizeEventually(3, h2);
    assertClusterSizeEventually(3, h3);
    try {
        IMap<Integer, Integer> m1 = h1.getMap(MAP_NAME);
        for (int i = 0; i < 100; i++) {
            m1.put(i, i);
        }
        JobTracker jobTracker = h1.getJobTracker("default");
        Job<Integer, Integer> job = jobTracker.newJob(integerKvSource(m1));
        JobCompletableFuture<Map<String, BigInteger>> future = job.chunkSize(10).mapper(new GroupingTestMapper()).combiner(new ObjectCombinerFactory()).reducer(new ObjectReducerFactory()).submit();
        int[] expectedResults = new int[4];
        for (int i = 0; i < 100; i++) {
            int index = i % 4;
            expectedResults[index] += i;
        }
        Map<String, BigInteger> map = future.get();
        for (int i = 0; i < 4; i++) {
            assertEquals(BigInteger.valueOf(expectedResults[i]), map.get(String.valueOf(i)));
        }
    } finally {
        tripTerminate(h1, h2, h3);
    }
}

Example 53 with BigInteger

use of java.math.BigInteger in project hazelcast by hazelcast.

the class MapAvgAggregationTest method testBigIntegerAvg.

@Test
public void testBigIntegerAvg() throws Exception {
    BigInteger[] values = buildPlainValues(new ValueProvider<BigInteger>() {

        @Override
        public BigInteger provideRandom(Random random) {
            return BigInteger.valueOf(10000L + random(1000, 2000));
        }
    }, BigInteger.class);
    BigInteger expectation = BigInteger.ZERO;
    for (int i = 0; i < values.length; i++) {
        expectation = expectation.add(values[i]);
    }
    expectation = expectation.divide(BigInteger.valueOf(values.length));
    Aggregation<String, BigInteger, BigInteger> aggregation = Aggregations.bigIntegerAvg();
    BigInteger result = testAvg(values, aggregation);
    assertEquals(expectation, result);
}

Example 54 with BigInteger

use of java.math.BigInteger in project hazelcast by hazelcast.

the class MapAvgAggregationTest method testBigIntegerAvgWithExtractor.

@Test
public void testBigIntegerAvgWithExtractor() throws Exception {
    Value<BigInteger>[] values = buildValues(new ValueProvider<BigInteger>() {

        @Override
        public BigInteger provideRandom(Random random) {
            return BigInteger.valueOf(10000L + random(1000, 2000));
        }
    });
    BigInteger expectation = BigInteger.ZERO;
    for (int i = 0; i < values.length; i++) {
        expectation = expectation.add(values[i].value);
    }
    expectation = expectation.divide(BigInteger.valueOf(values.length));
    Aggregation<String, BigInteger, BigInteger> aggregation = Aggregations.bigIntegerAvg();
    BigInteger result = testAvgWithExtractor(values, aggregation);
    assertEquals(expectation, result);
}

Example 55 with BigInteger

use of java.math.BigInteger in project hazelcast by hazelcast.

the class MapMaxAggregationTest method testBigIntegerMax.

@Test
public void testBigIntegerMax() throws Exception {
    BigInteger[] values = buildPlainValues(new ValueProvider<BigInteger>() {

        @Override
        public BigInteger provideRandom(Random random) {
            return BigInteger.valueOf(10000L + random(1000, 2000));
        }
    }, BigInteger.class);
    BigInteger expectation = BigInteger.ZERO;
    for (int i = 0; i < values.length; i++) {
        BigInteger value = values[i];
        expectation = i == 0 ? value : expectation.max(value);
    }
    Aggregation<String, BigInteger, BigInteger> aggregation = Aggregations.bigIntegerMax();
    BigInteger result = testMax(values, aggregation);
    assertEquals(expectation, result);
}