SequentialSingleSubscriberFunction

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

Type Parameters:

T - Type of the result of this Subscriber.

All Implemented Interfaces:

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

Constructor Summary

Constructors
Constructor Description

SequentialSingleSubscriberFunction()

Method Summary

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