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8284640: CollectorImpl class could be a record class

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Reviewed-by: phh, rriggs
This commit is contained in:
altrisi 2022-06-28 17:12:06 +00:00 committed by Paul Hohensee
parent c67149be4b
commit af0088076d
1 changed files with 6 additions and 43 deletions
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49
src/java.base/share/classes/java/util/stream/Collectors.java
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@ -194,24 +194,12 @@ public final class Collectors {
* @param <T> the type of elements to be collected
* @param <R> the type of the result
*/
static class CollectorImpl<T, A, R> implements Collector<T, A, R> {
private final Supplier<A> supplier;
private final BiConsumer<A, T> accumulator;
private final BinaryOperator<A> combiner;
private final Function<A, R> finisher;
private final Set<Characteristics> characteristics;
CollectorImpl(Supplier<A> supplier,
BiConsumer<A, T> accumulator,
BinaryOperator<A> combiner,
Function<A,R> finisher,
Set<Characteristics> characteristics) {
this.supplier = supplier;
this.accumulator = accumulator;
this.combiner = combiner;
this.finisher = finisher;
this.characteristics = characteristics;
}
record CollectorImpl<T, A, R>(Supplier<A> supplier,
BiConsumer<A, T> accumulator,
BinaryOperator<A> combiner,
Function<A, R> finisher,
Set<Characteristics> characteristics
) implements Collector<T, A, R> {
CollectorImpl(Supplier<A> supplier,
BiConsumer<A, T> accumulator,
@ -219,31 +207,6 @@ public final class Collectors {
Set<Characteristics> characteristics) {
this(supplier, accumulator, combiner, castingIdentity(), characteristics);
}
@Override
public BiConsumer<A, T> accumulator() {
return accumulator;
}
@Override
public Supplier<A> supplier() {
return supplier;
}
@Override
public BinaryOperator<A> combiner() {
return combiner;
}
@Override
public Function<A, R> finisher() {
return finisher;
}
@Override
public Set<Characteristics> characteristics() {
return characteristics;
}
}
/**