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

Example 16 with LongAccumulator

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

the class OrderedProcessingMergingStagesTest method orderValidator.

private boolean orderValidator(LongAccumulator[] s, Long key, Map.Entry<Long, Long> entry) {
    LongAccumulator acc = s[key.intValue()];
    long value = entry.getValue();
    if (acc.get() >= value) {
        return false;
    } else {
        acc.set(value);
        return true;
    }
}

Example 17 with LongAccumulator

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

the class SlidingWindowPTest method before.

@Before
public void before() {
    SlidingWindowPolicy winPolicy = slidingWinPolicy(4, 1);
    AggregateOperation1<Entry<?, Long>, LongAccumulator, Long> operation = AggregateOperation.withCreate(LongAccumulator::new).andAccumulate((LongAccumulator acc, Entry<?, Long> item) -> acc.add(item.getValue())).andCombine(LongAccumulator::add).andDeduct(hasDeduct ? LongAccumulator::subtract : null).andExportFinish(LongAccumulator::get);
    FunctionEx<?, Long> keyFn = t -> KEY;
    ToLongFunctionEx<Entry<Long, Long>> timestampFn = Entry::getKey;
    SupplierEx<Processor> procSupplier = singleStageProcessor ? aggregateToSlidingWindowP(singletonList(keyFn), singletonList(timestampFn), TimestampKind.EVENT, winPolicy, 0L, operation, KeyedWindowResult::new) : combineToSlidingWindowP(winPolicy, operation, KeyedWindowResult::new);
    // new supplier to save the last supplied instance
    supplier = () -> lastSuppliedProcessor = (SlidingWindowP) procSupplier.get();
}

Example 18 with LongAccumulator

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

the class SlidingWindowP_failoverTest method init.

private void init(ProcessingGuarantee guarantee) throws Exception {
    SlidingWindowPolicy wDef = SlidingWindowPolicy.tumblingWinPolicy(1);
    AggregateOperation1<Object, LongAccumulator, Long> aggrOp = counting();
    p = new SlidingWindowP<>(singletonList(entryKey()), singletonList((ToLongFunctionEx<Entry<?, Long>>) Entry::getValue), wDef, 0L, aggrOp, KeyedWindowResult::new, true);
    Outbox outbox = new TestOutbox(128);
    Context context = new TestProcessorContext().setProcessingGuarantee(guarantee);
    p.init(outbox, context);
}

Example 19 with LongAccumulator

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

the class SlidingWindowP_twoStageSnapshotTest method before.

@Before
public void before() {
    SlidingWindowPolicy windowDef = slidingWinPolicy(4, 1);
    AggregateOperation1<Entry<?, Long>, LongAccumulator, Long> aggrOp = AggregateOperation.withCreate(LongAccumulator::new).andAccumulate((LongAccumulator acc, Entry<?, Long> item) -> acc.add(item.getValue())).andCombine(LongAccumulator::add).andDeduct(LongAccumulator::subtract).andExportFinish(LongAccumulator::get);
    SupplierEx<Processor> procSupplier1 = Processors.accumulateByFrameP(singletonList((FunctionEx<? super Entry<Long, Long>, ?>) t -> KEY), singletonList((ToLongFunctionEx<? super Entry<Long, Long>>) Entry::getKey), TimestampKind.EVENT, windowDef, aggrOp.withIdentityFinish());
    SupplierEx<Processor> procSupplier2 = combineToSlidingWindowP(windowDef, aggrOp, KeyedWindowResult::new);
    // new supplier to save the last supplied instance
    stage1Supplier = () -> lastSuppliedStage1Processor = (SlidingWindowP<?, ?, ?, ?>) procSupplier1.get();
    stage2Supplier = () -> lastSuppliedStage2Processor = (SlidingWindowP<?, ?, ?, ?>) procSupplier2.get();
}

Example 20 with LongAccumulator

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

the class AggregateOperation1Test method when_withIdentityFinish.

@Test
public void when_withIdentityFinish() {
    // Given
    AggregateOperation1<Object, LongAccumulator, Long> aggrOp = AggregateOperation.withCreate(LongAccumulator::new).andAccumulate((acc, item) -> acc.addAllowingOverflow(1)).andExportFinish(LongAccumulator::get);
    // When
    AggregateOperation<LongAccumulator, LongAccumulator> newAggrOp = aggrOp.withIdentityFinish();
    // Then
    LongAccumulator acc = newAggrOp.createFn().get();
    assertSame(acc, newAggrOp.finishFn().apply(acc));
}