- Type Parameters:
T- type of element to be delivered to the Subscriber
- Direct Known Subclasses:
public abstract class WithHelperPublisher<T> extends java.lang.ObjectType which is able to create elements based on a seed
Simplest implementations will simply return the incoming id as the element.
Constructors Constructor Description
All Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description
createElement(int element)Implement this method to match your expected element type.
createHelperPublisher(long elements)Helper method required for creating the Publisher to which the tested Subscriber will be subscribed and tested against.
publisherExecutorService()ExecutorService to be used by the provided helper
public abstract java.util.concurrent.ExecutorService publisherExecutorService()ExecutorService to be used by the provided helper
public abstract T createElement(int element)Implement this method to match your expected element type. In case of implementing a simple Subscriber which is able to consume any kind of element simply return the incoming
Sometimes the Subscriber may be limited in what type of element it is able to consume, this you may have to implement this method such that the emitted element matches the Subscribers requirements. Simplest implementations would be to simply pass in the
elementas payload of your custom element, such as appending it to a String or other identifier.
Warning: This method may be called concurrently by the helper publisher, thus it should be implemented in a thread-safe manner.
- element of the matching type
Tthat will be delivered to the tested Subscriber
public org.reactivestreams.Publisher<T> createHelperPublisher(long elements)Helper method required for creating the Publisher to which the tested Subscriber will be subscribed and tested against.
By default an asynchronously signalling Publisher is provided, which will use
createElement(int)to generate elements type your Subscriber is able to consume.
Sometimes you may want to implement your own custom custom helper Publisher - to validate behaviour of a Subscriber when facing a synchronous Publisher for example. If you do, it MUST emit the exact number of elements asked for (via the
elementsparameter) and MUST also must treat the following numbers of elements in these specific ways:
Long.MAX_VALUEthe produced stream must be infinite.
onCompleteimmediatly. In other words, it should represent a "completed stream".