Package io.smallrye.mutiny.subscription

Class FixedDemandPacer

java.lang.Object

io.smallrye.mutiny.subscription.FixedDemandPacer

All Implemented Interfaces:

DemandPacer

@Experimental("Demand pacing is a new experimental API introduced in Mutiny 1.5.0")
public class FixedDemandPacer
extends java.lang.Object
implements DemandPacer

A demand pacer with a fixed delay / fixed demand.

Nested Class Summary

Nested classes/interfaces inherited from interface io.smallrye.mutiny.subscription.DemandPacer

DemandPacer.Request

Constructor Summary

Constructors

Constructor	Description
FixedDemandPacer(long demand, java.time.Duration delay)

Method Summary

Modifier and Type	Method	Description
DemandPacer.Request	apply(DemandPacer.Request previousRequest, long observedItemsCount)	Evaluate the next request after the previous request delay has expired.
DemandPacer.Request	initial()	Get the initial request.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FixedDemandPacer

public FixedDemandPacer(long demand,
                        java.time.Duration delay)

Method Detail

initial

public DemandPacer.Request initial()

Description copied from interface: DemandPacer

Get the initial request.

This will be called at the Multi.paceDemand() operator subscription time.

Specified by:

initial in interface DemandPacer

Returns:

the request, must not be null

apply

public DemandPacer.Request apply(DemandPacer.Request previousRequest,
                                 long observedItemsCount)

Description copied from interface: DemandPacer

Evaluate the next request after the previous request delay has expired.

Specified by:

apply in interface DemandPacer

Parameters:

previousRequest - the previous request

observedItemsCount - the number of emitted items that have been observed since the last request

Returns:

the request, must not be null