Examples with LongAccumulator com.hazelcast.jet.accumulator.LongAccumulator used on opensource projects

Example 36 with LongAccumulator

use of com.hazelcast.jet.accumulator.LongAccumulator in project hazelcast by hazelcast.

the class AggregateOperation1Test method when_withCombiningAccumulateFn_then_accumulateFnCombines.

@Test
public void when_withCombiningAccumulateFn_then_accumulateFnCombines() {
    // Given
    AggregateOperation1<Object, LongAccumulator, Long> aggrOp = AggregateOperation.withCreate(LongAccumulator::new).andAccumulate((acc, item) -> acc.addAllowingOverflow(1)).andCombine(LongAccumulator::addAllowingOverflow).andExportFinish(LongAccumulator::get);
    AggregateOperation1<LongAccumulator, LongAccumulator, Long> combiningAggrOp = aggrOp.withCombiningAccumulateFn(wholeItem());
    BiConsumerEx<? super LongAccumulator, ? super LongAccumulator> accFn = combiningAggrOp.accumulateFn();
    LongAccumulator partialAcc1 = combiningAggrOp.createFn().get();
    LongAccumulator partialAcc2 = combiningAggrOp.createFn().get();
    LongAccumulator combinedAcc = combiningAggrOp.createFn().get();
    // When
    partialAcc1.set(2);
    partialAcc2.set(3);
    accFn.accept(combinedAcc, partialAcc1);
    accFn.accept(combinedAcc, partialAcc2);
    // Then
    assertEquals(5, combinedAcc.get());
}

Example 37 with LongAccumulator

use of com.hazelcast.jet.accumulator.LongAccumulator in project hazelcast by hazelcast.

the class AggregateOperation3Test method when_withIdentityFinish.

@Test
public void when_withIdentityFinish() {
    // Given
    AggregateOperation3<Object, Object, Object, LongAccumulator, Long> aggrOp = AggregateOperation.withCreate(LongAccumulator::new).andAccumulate0((acc, item) -> {
    }).andAccumulate1((acc, item) -> {
    }).andAccumulate2((acc, item) -> {
    }).andExportFinish(LongAccumulator::get);
    // When
    AggregateOperation3<Object, Object, Object, LongAccumulator, LongAccumulator> newAggrOp = aggrOp.withIdentityFinish();
    // Then
    LongAccumulator acc = newAggrOp.createFn().get();
    assertSame(acc, newAggrOp.finishFn().apply(acc));
}

Example 38 with LongAccumulator

use of com.hazelcast.jet.accumulator.LongAccumulator in project hazelcast-jet by hazelcast.

the class SessionWindowP_failoverTest method init.

private void init(ProcessingGuarantee guarantee) {
    AggregateOperation1<Object, LongAccumulator, Long> aggrOp = counting();
    p = new SessionWindowP<>(5000, singletonList((DistributedToLongFunction<Entry<?, Long>>) Entry::getValue), singletonList(entryKey()), aggrOp, WindowResult::new);
    Outbox outbox = new TestOutbox(128);
    Context context = new TestProcessorContext().setProcessingGuarantee(guarantee);
    p.init(outbox, context);
}

Example 39 with LongAccumulator

use of com.hazelcast.jet.accumulator.LongAccumulator in project hazelcast-jet by hazelcast.

the class SlidingWindowP_failoverTest method init.

private void init(ProcessingGuarantee guarantee) {
    SlidingWindowPolicy wDef = SlidingWindowPolicy.tumblingWinPolicy(1);
    AggregateOperation1<Object, LongAccumulator, Long> aggrOp = counting();
    p = new SlidingWindowP<>(singletonList(entryKey()), singletonList((DistributedToLongFunction<Entry<?, Long>>) Entry::getValue), wDef, aggrOp, TimestampedEntry::new, true);
    Outbox outbox = new TestOutbox(128);
    Context context = new TestProcessorContext().setProcessingGuarantee(guarantee);
    p.init(outbox, context);
}

Example 40 with LongAccumulator

use of com.hazelcast.jet.accumulator.LongAccumulator in project hazelcast-jet by hazelcast.

the class AggregateOperation1Test method when_withCombiningAccumulateFn_then_accumulateFnCombines.

@Test
public void when_withCombiningAccumulateFn_then_accumulateFnCombines() {
    // Given
    AggregateOperation1<Object, LongAccumulator, LongAccumulator> aggrOp = AggregateOperation.withCreate(LongAccumulator::new).andAccumulate((acc, item) -> acc.addAllowingOverflow(1)).andCombine(LongAccumulator::addAllowingOverflow).andIdentityFinish();
    AggregateOperation1<LongAccumulator, LongAccumulator, LongAccumulator> combiningAggrOp = aggrOp.withCombiningAccumulateFn(wholeItem());
    DistributedBiConsumer<? super LongAccumulator, ? super LongAccumulator> accFn = combiningAggrOp.accumulateFn();
    LongAccumulator partialAcc1 = combiningAggrOp.createFn().get();
    LongAccumulator partialAcc2 = combiningAggrOp.createFn().get();
    LongAccumulator combinedAcc = combiningAggrOp.createFn().get();
    // When
    partialAcc1.set(2);
    partialAcc2.set(3);
    accFn.accept(combinedAcc, partialAcc1);
    accFn.accept(combinedAcc, partialAcc2);
    // Then
    assertEquals(5, combinedAcc.get());
}