software.amazon.awssdk.transfer.s3.internal

Class AsyncBufferingSubscriber<T>

java.lang.Object

software.amazon.awssdk.transfer.s3.internal.AsyncBufferingSubscriber<T>

Type Parameters:

T - Type of data requested

All Implemented Interfaces:

org.reactivestreams.Subscriber<T>

public class AsyncBufferingSubscriber<T>
extends Object
implements org.reactivestreams.Subscriber<T>

An implementation of Subscriber that execute the provided function for every event and limits the number of concurrent function execution to the given maxConcurrentRequests

Constructor Summary

Constructors

Constructor and Description
AsyncBufferingSubscriber(Function<T,CompletableFuture<?>> consumer, CompletableFuture<Void> returnFuture, int maxConcurrentExecutions)

Method Summary

Modifier and Type	Method and Description
int	numRequestsInFlight()
void	onComplete()
void	onError(Throwable t)
void	onNext(T item)
void	onSubscribe(org.reactivestreams.Subscription subscription)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AsyncBufferingSubscriber

public AsyncBufferingSubscriber(Function<T,CompletableFuture<?>> consumer,
                                CompletableFuture<Void> returnFuture,
                                int maxConcurrentExecutions)

Method Detail

onSubscribe

public void onSubscribe(org.reactivestreams.Subscription subscription)

Specified by:

onSubscribe in interface org.reactivestreams.Subscriber<T>

onNext

public void onNext(T item)

Specified by:

onNext in interface org.reactivestreams.Subscriber<T>

onError

public void onError(Throwable t)

Specified by:

onError in interface org.reactivestreams.Subscriber<T>

onComplete

public void onComplete()

Specified by:

onComplete in interface org.reactivestreams.Subscriber<T>

numRequestsInFlight

public int numRequestsInFlight()

Returns:

the number of requests that are currently in flight