java.lang.Object
- org.springframework.core.ReactiveAdapter

```
public class ReactiveAdapter
extends Object
```
Adapter for a Reactive Streams Publisher to and from an async/reactive type such as CompletableFuture, RxJava Observable, and others.
An adapter is typically obtained via ReactiveAdapterRegistry.
Since:
5.0
Author:
Rossen Stoyanchev

Constructor Summary

Constructors
Constructor	Description
`ReactiveAdapter(ReactiveTypeDescriptor descriptor, Function<Object,org.reactivestreams.Publisher<?>> toPublisherFunction, Function<org.reactivestreams.Publisher<?>,Object> fromPublisherFunction)`	Constructor for an adapter with functions to convert the target reactive or async type to and from a Reactive Streams Publisher.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Object`	`fromPublisher(org.reactivestreams.Publisher<?> publisher)`	Adapt from the given Reactive Streams Publisher.
`ReactiveTypeDescriptor`	`getDescriptor()`	Return the descriptor of the reactive type for the adapter.
`Class<?>`	`getReactiveType()`	Shortcut for `getDescriptor().getReactiveType()`.
`boolean`	`isMultiValue()`	Shortcut for `getDescriptor().isMultiValue()`.
`boolean`	`isNoValue()`	Shortcut for `getDescriptor().isNoValue()`.
`boolean`	`supportsEmpty()`	Shortcut for `getDescriptor().supportsEmpty()`.
`<T> org.reactivestreams.Publisher<T>`	`toPublisher(Object source)`	Adapt the given instance to a Reactive Streams `Publisher`.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - ReactiveAdapter
```
public ReactiveAdapter(ReactiveTypeDescriptor descriptor,
                       Function<Object,org.reactivestreams.Publisher<?>> toPublisherFunction,
                       Function<org.reactivestreams.Publisher<?>,Object> fromPublisherFunction)
```
    Constructor for an adapter with functions to convert the target reactive or async type to and from a Reactive Streams Publisher.
    Parameters:
    descriptor - the reactive type descriptor
    toPublisherFunction - adapter to a Publisher
    fromPublisherFunction - adapter from a Publisher
- Method Detail
  - getDescriptor
```
public ReactiveTypeDescriptor getDescriptor()
```
    Return the descriptor of the reactive type for the adapter.
  - getReactiveType
```
public Class<?> getReactiveType()
```
    Shortcut for getDescriptor().getReactiveType().
  - isMultiValue
```
public boolean isMultiValue()
```
    Shortcut for getDescriptor().isMultiValue().
  - isNoValue
```
public boolean isNoValue()
```
    Shortcut for getDescriptor().isNoValue().
  - supportsEmpty
```
public boolean supportsEmpty()
```
    Shortcut for getDescriptor().supportsEmpty().
  - toPublisher
```
public <T> org.reactivestreams.Publisher<T> toPublisher(@Nullable
                                                        Object source)
```
    Adapt the given instance to a Reactive Streams Publisher.
    Parameters:
    source - the source object to adapt from; if the given object is null, ReactiveTypeDescriptor.getEmptyValue() is used.
    Returns:
    the Publisher representing the adaptation
  - fromPublisher
```
public Object fromPublisher(org.reactivestreams.Publisher<?> publisher)
```
    Adapt from the given Reactive Streams Publisher.
    Parameters:
    publisher - the publisher to adapt from
    Returns:
    the reactive type instance representing the adapted publisher

Class ReactiveAdapter

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

ReactiveAdapter

Method Detail

getDescriptor

getReactiveType

isMultiValue

isNoValue

supportsEmpty

toPublisher

fromPublisher