Package org.apache.pekko.stream.javadsl

Class MergePreferred

java.lang.Object

org.apache.pekko.stream.javadsl.MergePreferred

public class MergePreferred
extends Object

Merge several streams, taking elements as they arrive from input streams (picking from preferred when several have elements ready).

'''Emits when''' one of the inputs has an element available, preferring a specified input if multiple have elements available

'''Backpressures when''' downstream backpressures

'''Completes when''' all upstreams complete (eagerComplete=false) or one upstream completes (eagerComplete=true)

'''Cancels when''' downstream cancels

Constructor Summary

Constructors

Constructor	Description
MergePreferred()

Method Summary

Modifier and Type	Method	Description
static <T> Graph<MergePreferred.MergePreferredShape<T>,NotUsed>	create(int secondaryPorts)	Create a new MergePreferred operator with the specified output type.
static <T> Graph<MergePreferred.MergePreferredShape<T>,NotUsed>	create(int secondaryPorts, boolean eagerComplete)	Create a new MergePreferred operator with the specified output type.
static <T> Graph<MergePreferred.MergePreferredShape<T>,NotUsed>	create(Class<T> clazz, int secondaryPorts)	Create a new MergePreferred operator with the specified output type.
static <T> Graph<MergePreferred.MergePreferredShape<T>,NotUsed>	create(Class<T> clazz, int secondaryPorts, boolean eagerComplete)	Create a new MergePreferred operator with the specified output type.

Methods inherited from class java.lang.Object

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

Constructor Details

MergePreferred

public MergePreferred()

Method Details

create

public static <T>
Graph<MergePreferred.MergePreferredShape<T>,NotUsed> create(int secondaryPorts)

Create a new MergePreferred operator with the specified output type.

create

public static <T>
Graph<MergePreferred.MergePreferredShape<T>,NotUsed> create(Class<T> clazz,
 int secondaryPorts)

Create a new MergePreferred operator with the specified output type.

create

public static <T>
Graph<MergePreferred.MergePreferredShape<T>,NotUsed> create(int secondaryPorts,
 boolean eagerComplete)

Create a new MergePreferred operator with the specified output type.

Parameters:

eagerComplete - set to true in order to make this operator eagerly finish as soon as one of its inputs completes

create

public static <T>
Graph<MergePreferred.MergePreferredShape<T>,NotUsed> create(Class<T> clazz,
 int secondaryPorts,
 boolean eagerComplete)

Create a new MergePreferred operator with the specified output type.

Parameters:

eagerComplete - set to true in order to make this operator eagerly finish as soon as one of its inputs completes