CompletionOrderSpliterator.java

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package com.pivovarit.collectors;
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import java.util.List;
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import java.util.Spliterator;
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import java.util.concurrent.BlockingQueue;
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import java.util.concurrent.CompletableFuture;
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import java.util.concurrent.LinkedBlockingQueue;
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import java.util.function.Consumer;
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/**
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 * @author Grzegorz Piwowarek
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 */
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final class CompletionOrderSpliterator<T> implements Spliterator<T> {
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    private final int initialSize;
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    private final BlockingQueue<CompletableFuture<T>> completed = new LinkedBlockingQueue<>();
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    private int remaining;
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    CompletionOrderSpliterator(List<CompletableFuture<T>> futures) {
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        this.initialSize = futures.size();
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        this.remaining = initialSize;
22 1 1. <init> : removed call to java/util/List::forEach → TIMED_OUT
 
        futures.forEach(f -> f.whenComplete((__, ___) -> completed.add(f)));
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    }
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    @Override
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    public boolean tryAdvance(Consumer<? super T> action) {
27 3 1. tryAdvance : negated conditional → TIMED_OUT
2. tryAdvance : changed conditional boundary → TIMED_OUT
3. tryAdvance : replaced boolean return with true for com/pivovarit/collectors/CompletionOrderSpliterator::tryAdvance → KILLED
 
        return remaining > 0
28 1 1. lambda$tryAdvance$2 : replaced Boolean return with False for com/pivovarit/collectors/CompletionOrderSpliterator::lambda$tryAdvance$2 → KILLED
 
          ? nextCompleted().thenAccept(action).thenApply(__ -> true).join()
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          : false;
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    }
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    private CompletableFuture<T> nextCompleted() {
33 1 1. nextCompleted : Replaced integer subtraction with addition → TIMED_OUT
 
        remaining--;
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        try {
35 1 1. nextCompleted : replaced return value with null for com/pivovarit/collectors/CompletionOrderSpliterator::nextCompleted → KILLED
 
            return completed.take();
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        } catch (InterruptedException e) {
37 1 1. nextCompleted : removed call to java/lang/Thread::interrupt → TIMED_OUT
 
            Thread.currentThread().interrupt();
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            throw new RuntimeException(e);
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        }
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    }
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    @Override
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    public Spliterator<T> trySplit() {
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        return null;
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    }
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    @Override
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    public long estimateSize() {
50 1 1. estimateSize : replaced long return with 0 for com/pivovarit/collectors/CompletionOrderSpliterator::estimateSize → KILLED
 
        return initialSize;
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    }
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    @Override
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    public int characteristics() {
55 1 1. characteristics : replaced int return with 0 for com/pivovarit/collectors/CompletionOrderSpliterator::characteristics → SURVIVED
 
        return SIZED | IMMUTABLE | NONNULL;
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    }
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}
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Mutations

22

1.1
Location : <init>
Killed by : none removed call to java/util/List::forEach → TIMED_OUT
27

1.1
Location : tryAdvance
Killed by : none negated conditional → TIMED_OUT

2.2
Location : tryAdvance
Killed by : com.pivovarit.collectors.CompletionOrderSpliteratorTest.[engine:junit-jupiter]/[class:com.pivovarit.collectors.CompletionOrderSpliteratorTest]/[method:shouldNotConsumeOnEmpty()] replaced boolean return with true for com/pivovarit/collectors/CompletionOrderSpliterator::tryAdvance → KILLED

3.3
Location : tryAdvance
Killed by : none changed conditional boundary → TIMED_OUT
28

1.1
Location : lambda$tryAdvance$2
Killed by : com.pivovarit.collectors.CompletionOrderSpliteratorTest.[engine:junit-jupiter]/[class:com.pivovarit.collectors.CompletionOrderSpliteratorTest]/[method:shouldPropagateException()] replaced Boolean return with False for com/pivovarit/collectors/CompletionOrderSpliterator::lambda$tryAdvance$2 → KILLED
33

1.1
Location : nextCompleted
Killed by : none Replaced integer subtraction with addition → TIMED_OUT
35

1.1
Location : nextCompleted
Killed by : com.pivovarit.collectors.CompletionOrderSpliteratorTest.[engine:junit-jupiter]/[class:com.pivovarit.collectors.CompletionOrderSpliteratorTest]/[method:shouldStreamInCompletionOrder()] replaced return value with null for com/pivovarit/collectors/CompletionOrderSpliterator::nextCompleted → KILLED
37

1.1
Location : nextCompleted
Killed by : none removed call to java/lang/Thread::interrupt → TIMED_OUT
50

1.1
Location : estimateSize
Killed by : com.pivovarit.collectors.CompletionOrderSpliteratorTest.[engine:junit-jupiter]/[class:com.pivovarit.collectors.CompletionOrderSpliteratorTest]/[method:shouldPropagateException()] replaced long return with 0 for com/pivovarit/collectors/CompletionOrderSpliterator::estimateSize → KILLED
55

1.1
Location : characteristics
Killed by : none replaced int return with 0 for com/pivovarit/collectors/CompletionOrderSpliterator::characteristics → SURVIVED

Active mutators

Tests examined


Report generated by PIT 1.16.0