DeferredEmptySubscription

java.lang.Object
- io.servicetalk.concurrent.api.DeferredEmptySubscription

All Implemented Interfaces:

Cancellable, PublisherSource.Subscription
```
public final class DeferredEmptySubscription
extends java.lang.Object
implements PublisherSource.Subscription
```
An PublisherSource.Subscription that only emits a TerminalNotification only upon the first call to request(long).

Field Summary
- Fields inherited from interface io.servicetalk.concurrent.Cancellable
  IGNORE_CANCEL

Constructor Summary

Constructors
Constructor	Description
`DeferredEmptySubscription(PublisherSource.Subscriber<?> subscriber, TerminalNotification terminalNotification)`	New instance.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`cancel()`	Sends a hint to the producer of the associated asynchronous execution that the consumer related to this `Cancellable` is not interested in the outcome of the execution.
`void`	`request(long n)`	Requests `n` more items from the associated `PublisherSource` for the associated `PublisherSource.Subscriber`.

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

- Constructor Detail
  - DeferredEmptySubscription
```
public DeferredEmptySubscription(PublisherSource.Subscriber<?> subscriber,
                                 TerminalNotification terminalNotification)
```
    New instance.
    
    Parameters:
    
    subscriber - PublisherSource.Subscriber to send the terminalNotification.
    
    terminalNotification - TerminalNotification to send.
- Method Detail
  - request
```
public void request(long n)
```
    Description copied from interface: PublisherSource.Subscription
    
    Requests n more items from the associated PublisherSource for the associated PublisherSource.Subscriber.
    See Reactive Streams specifications for the rules about how and when this method will be invoked.
    
    Specified by:
    
    request in interface PublisherSource.Subscription
    
    Parameters:
    
    n - Number of items to request.
  - cancel
```
public void cancel()
```
    Description copied from interface: Cancellable
    
    Sends a hint to the producer of the associated asynchronous execution that the consumer related to this Cancellable is not interested in the outcome of the execution.
    
    Specified by:
    
    cancel in interface Cancellable