StoringSubscriber (AWS Java SDK :: Utilities 2.37.3 API)

java.lang.Object
- software.amazon.awssdk.utils.async.StoringSubscriber<T>

All Implemented Interfaces:

org.reactivestreams.Subscriber<T>
```
@SdkProtectedApi
public class StoringSubscriber<T>
extends Object
implements org.reactivestreams.Subscriber<T>
```
An implementation of Subscriber that stores the events it receives for retrieval.
Events can be observed via peek() and poll(). The number of events stored is limited by the maxElements configured at construction.

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`static class`	`StoringSubscriber.Event<T>`	An event stored for later retrieval by this subscriber.
`static class`	`StoringSubscriber.EventType`

Constructor Summary

Constructors
Constructor Description

StoringSubscriber(int maxEvents)
Create a subscriber that stores up to maxElements events for retrieval.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`onComplete()`
`void`	`onError(Throwable throwable)`
`void`	`onNext(T t)`
`void`	`onSubscribe(org.reactivestreams.Subscription subscription)`
`Optional<StoringSubscriber.Event<T>>`	`peek()`	Check the first event stored in this subscriber.
`Optional<StoringSubscriber.Event<T>>`	`poll()`	Remove and return the first event stored in this subscriber.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - StoringSubscriber
```
public StoringSubscriber(int maxEvents)
```
    Create a subscriber that stores up to maxElements events for retrieval.
- Method Detail
  - peek
```
public Optional<StoringSubscriber.Event<T>> peek()
```
    Check the first event stored in this subscriber.
    This will return empty if no events are currently available (outstanding demand has not yet been filled).
  - poll
```
public Optional<StoringSubscriber.Event<T>> poll()
```
    Remove and return the first event stored in this subscriber.
    This will return empty if no events are currently available (outstanding demand has not yet been filled).
  - onSubscribe
```
public void onSubscribe(org.reactivestreams.Subscription subscription)
```
    Specified by:
    
    onSubscribe in interface org.reactivestreams.Subscriber<T>
  - onNext
```
public void onNext(T t)
```
    Specified by:
    
    onNext in interface org.reactivestreams.Subscriber<T>
  - onComplete
```
public void onComplete()
```
    Specified by:
    
    onComplete in interface org.reactivestreams.Subscriber<T>
  - onError
```
public void onError(Throwable throwable)
```
    Specified by:
    
    onError in interface org.reactivestreams.Subscriber<T>