Module io.smallrye.mutiny

Package io.smallrye.mutiny.groups

Class Gatherer.InitialAccumulatorStep<I,ACC>

java.lang.Object

io.smallrye.mutiny.groups.Gatherer.InitialAccumulatorStep<I,ACC>

Type Parameters:

I - the type of the items emitted by the upstream Multi

ACC - the type of the accumulator

Enclosing interface:

Gatherer<I,ACC,O>

public static class Gatherer.InitialAccumulatorStep<I,ACC>
extends Object

The first step in the builder to gather items emitted by a Multi into an accumulator.

Method Summary

Modifier and Type	Method	Description
Gatherer.ExtractStep<I,ACC>	accumulate(BiFunction<ACC,I,ACC> accumulator)	Specifies the accumulator function.

Methods inherited from class java.lang.Object

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

Method Details

accumulate

@CheckReturnValue
public Gatherer.ExtractStep<I,ACC> accumulate(BiFunction<ACC,I,ACC> accumulator)

Specifies the accumulator function.

The accumulator function is used to accumulate the items emitted by the upstream.

Parameters:

accumulator - the accumulator function, which takes the current accumulator and the item emitted by the upstream, and returns the new accumulator

Returns:

the next step in the builder