SettableFuture

com.google.common.util.concurrent

Class SettableFuture<V>

java.lang.Object
- com.google.common.util.concurrent.AbstractFuture<V>
- - com.google.common.util.concurrent.SettableFuture<V>

All Implemented Interfaces:

ListenableFuture<V>, Future<V>
```
public final class SettableFuture<V>
extends AbstractFuture<V>
```
A ListenableFuture whose result may be set by a set(Object) or setException(Throwable) call. It may also be cancelled.

Since:

9.0 (in 1.0 as ValueFuture)

Method Summary

All Methods

Static Methods

Instance Methods

Concrete Methods
Modifier and Type	Method and Description
`static <V> SettableFuture<V>`	`create()` Creates a new `SettableFuture` in the default state.
`boolean`	`set(V value)` Sets the value of this future.
`boolean`	`setException(Throwable throwable)` Sets the future to having failed with the given exception.

Methods inherited from class com.google.common.util.concurrent.AbstractFuture
addListener, cancel, get, get, interruptTask, isCancelled, isDone, wasInterrupted

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

- Method Detail
  - create
```
public static <V> SettableFuture<V> create()
```
    Creates a new SettableFuture in the default state.
  - set
```
public boolean set(V value)
```
    Sets the value of this future. This method will return true if the value was successfully set, or false if the future has already been set or cancelled.
    
    Overrides:
    
    set in class AbstractFuture<V>
    
    Parameters:
    
    value - the value the future should hold.
    
    Returns:
    
    true if the value was successfully set.
  - setException
```
public boolean setException(Throwable throwable)
```
    Sets the future to having failed with the given exception. This exception will be wrapped in an ExecutionException and thrown from the get methods. This method will return true if the exception was successfully set, or false if the future has already been set or cancelled.
    
    Overrides:
    
    setException in class AbstractFuture<V>
    
    Parameters:
    
    throwable - the exception the future should hold.
    
    Returns:
    
    true if the exception was successfully set.