| 1 | package com.pivovarit.gatherers; | |
| 2 | ||
| 3 | import java.util.LinkedHashMap; | |
| 4 | import java.util.Objects; | |
| 5 | import java.util.function.BiConsumer; | |
| 6 | import java.util.function.Function; | |
| 7 | import java.util.function.Supplier; | |
| 8 | import java.util.stream.Gatherer; | |
| 9 | ||
| 10 | record DistinctByKeepLastGatherer<T, U>( | |
| 11 | Function<? super T, ? extends U> keyExtractor) implements Gatherer<T, LinkedHashMap<U, T>, T> { | |
| 12 | ||
| 13 | DistinctByKeepLastGatherer { | |
| 14 | Objects.requireNonNull(keyExtractor, "keyExtractor can't be null"); | |
| 15 | } | |
| 16 | ||
| 17 | @Override | |
| 18 | public Supplier<LinkedHashMap<U, T>> initializer() { | |
| 19 |
1
1. initializer : replaced return value with null for com/pivovarit/gatherers/DistinctByKeepLastGatherer::initializer → KILLED |
return LinkedHashMap::new; |
| 20 | } | |
| 21 | ||
| 22 | @Override | |
| 23 | public Integrator<LinkedHashMap<U, T>, T, T> integrator() { | |
| 24 |
1
1. integrator : replaced return value with null for com/pivovarit/gatherers/DistinctByKeepLastGatherer::integrator → KILLED |
return Integrator.ofGreedy((state, element, _) -> { |
| 25 | state.putLast(keyExtractor.apply(element), element); | |
| 26 |
1
1. lambda$integrator$0 : replaced boolean return with false for com/pivovarit/gatherers/DistinctByKeepLastGatherer::lambda$integrator$0 → SURVIVED |
return true; |
| 27 | }); | |
| 28 | } | |
| 29 | ||
| 30 | @Override | |
| 31 | public BiConsumer<LinkedHashMap<U, T>, Downstream<? super T>> finisher() { | |
| 32 |
1
1. finisher : replaced return value with null for com/pivovarit/gatherers/DistinctByKeepLastGatherer::finisher → KILLED |
return (state, downstream) -> { |
| 33 | for (T element : state.sequencedValues()) { | |
| 34 | downstream.push(element); | |
| 35 | } | |
| 36 | }; | |
| 37 | } | |
| 38 | } | |
Mutations | ||
| 19 |
1.1 |
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| 24 |
1.1 |
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| 26 |
1.1 |
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| 32 |
1.1 |