FutureContribution

java.lang.Object
- org.apache.hc.core5.concurrent.FutureContribution<T>

Type Parameters:

T - the future result type of an asynchronous operation for this type.

All Implemented Interfaces:

FutureCallback<T>

Direct Known Subclasses:

CompletingFutureContribution
```
public abstract class FutureContribution<T>
extends java.lang.Object
implements FutureCallback<T>
```
Convenience base class for FutureCallbacks that contribute a result of the operation to another BasicFuture.

Since:

5.1

Field Summary

Fields
Modifier and Type Field Description

private BasicFuture<?> future

Constructor Summary

Constructors
Constructor Description

FutureContribution(BasicFuture<?> future)
Constructs a new instance to callback the given BasicFuture.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`cancelled()`
`void`	`failed(java.lang.Exception ex)`
`(package private) <R> BasicFuture<R>`	`getFuture()`

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

Methods inherited from interface org.apache.hc.core5.concurrent.FutureCallback
completed

- Field Detail
  - future
```
private final BasicFuture<?> future
```
- Constructor Detail
  - FutureContribution
```
public FutureContribution(BasicFuture<?> future)
```
    Constructs a new instance to callback the given BasicFuture.
    
    Parameters:
    
    future - The callback, non-null.
- Method Detail
  - failed
```
public final void failed(java.lang.Exception ex)
```
    Specified by:
    
    failed in interface FutureCallback<T>
  - cancelled
```
public final void cancelled()
```
    Specified by:
    
    cancelled in interface FutureCallback<T>
  - getFuture
```
<R> BasicFuture<R> getFuture()
```