SequentialPublisherSubscriberFunction

java.lang.Object
- io.servicetalk.concurrent.api.SequentialPublisherSubscriberFunction<T>

Type Parameters:

T - Type of items received by the Subscriber.

All Implemented Interfaces:

java.util.function.Function<PublisherSource.Subscriber<? super T>,PublisherSource.Subscriber<? super T>>
```
public final class SequentialPublisherSubscriberFunction<T>
extends java.lang.Object
implements java.util.function.Function<PublisherSource.Subscriber<? super T>,PublisherSource.Subscriber<? super T>>
```
Allows multiple PublisherSource.Subscribers to be sequentially subscribed to a TestPublisher. Attempts to subscribe concurrently will throw an exception.

Constructor Summary

Constructors
Constructor Description

SequentialPublisherSubscriberFunction()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`PublisherSource.Subscriber<? super T>`	`apply(PublisherSource.Subscriber<? super T> subscriber)`
`boolean`	`isSubscribed()`	Returns `true` if a `PublisherSource.Subscriber` is currently active (has been subscribed, and not terminated), or `false` otherwise.
`PublisherSource.Subscriber<? super T>`	`subscriber()`	Returns the most recently subscribed `PublisherSource.Subscriber`.

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

Methods inherited from interface java.util.function.Function
andThen, compose

- Constructor Detail
  - SequentialPublisherSubscriberFunction
```
public SequentialPublisherSubscriberFunction()
```
- Method Detail
  - apply
```
public PublisherSource.Subscriber<? super T> apply(PublisherSource.Subscriber<? super T> subscriber)
```
    Specified by:
    
    apply in interface java.util.function.Function<PublisherSource.Subscriber<? super T>,PublisherSource.Subscriber<? super T>>
  - subscriber
```
@Nullable
public PublisherSource.Subscriber<? super T> subscriber()
```
    Returns the most recently subscribed PublisherSource.Subscriber.
    
    Returns:
    
    the most recently subscribed PublisherSource.Subscriber.
  - isSubscribed
```
public boolean isSubscribed()
```
    Returns true if a PublisherSource.Subscriber is currently active (has been subscribed, and not terminated), or false otherwise.
    
    Returns:
    
    true if a PublisherSource.Subscriber is currently active (has been subscribed, and not terminated), or false otherwise.