Module io.smallrye.mutiny

Package io.smallrye.mutiny.groups

Class MultiOnItemGather<I>

java.lang.Object

io.smallrye.mutiny.groups.MultiOnItemGather<I>

Type Parameters:

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

@Experimental("This API is still being designed and may change in the future")
public class MultiOnItemGather<I>
extends Object

A builder to gather items emitted by a Multi into an accumulator.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	MultiOnItemGather.ExtractStep<I,ACC>	The second step in the builder to gather items emitted by a Multi into an accumulator.
static class	MultiOnItemGather.FinalizerStep<I,ACC,O>	The last step in the builder to gather items emitted by a Multi into an accumulator.
static class	MultiOnItemGather.InitialAccumulatorStep<I,ACC>	The first step in the builder to gather items emitted by a Multi into an accumulator.

Constructor Summary

Constructors

Constructor	Description
MultiOnItemGather(Multi<I> upstream)

Method Summary

Modifier and Type	Method	Description
<ACC> MultiOnItemGather.InitialAccumulatorStep<I,ACC>	into(Supplier<ACC> initialAccumulatorSupplier)	Specifies the initial accumulator supplier.

Methods inherited from class java.lang.Object

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

Constructor Details

MultiOnItemGather

public MultiOnItemGather(Multi<I> upstream)

Method Details

into

@CheckReturnValue
public <ACC>
MultiOnItemGather.InitialAccumulatorStep<I,ACC> into(Supplier<ACC> initialAccumulatorSupplier)

Specifies the initial accumulator supplier.

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

Type Parameters:

ACC - the type of the accumulator

Parameters:

initialAccumulatorSupplier - the initial accumulator supplier, the returned value cannot be null

Returns:

the next step in the builder