FutureUtils (elasticsearch-extend 3.2 API)

java.lang.Object
- org.elasticsearch.common.util.concurrent.FutureUtils

```
public class FutureUtils
extends Object
```

Constructor Summary

Constructors
Constructor Description

FutureUtils()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static boolean`	`cancel(Future<?> toCancel)`	Cancel execution of this future without interrupting a running thread.
`static <T> T`	`get(Future<T> future)`	Calls `Future.get()` without the checked exceptions.
`static <T> T`	`get(Future<T> future, long timeout, TimeUnit unit)`	Calls `Future.get(long, TimeUnit)` without the checked exceptions.
`static RuntimeException`	`rethrowExecutionException(ExecutionException e)`

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

- Constructor Detail
  - FutureUtils
```
public FutureUtils()
```
- Method Detail
  - cancel
```
public static boolean cancel(@Nullable
                             Future<?> toCancel)
```
    Cancel execution of this future without interrupting a running thread. See Future.cancel(boolean) for details.
    
    Parameters:
    
    toCancel - the future to cancel
    
    Returns:
    
    false if the future could not be cancelled, otherwise true
  - get
```
public static <T> T get(Future<T> future)
```
    Calls Future.get() without the checked exceptions.
    
    Type Parameters:
    
    T - the type returned
    
    Parameters:
    
    future - to dereference
    
    Returns:
    
    the value of the future
  - get
```
public static <T> T get(Future<T> future,
                        long timeout,
                        TimeUnit unit)
```
    Calls Future.get(long, TimeUnit) without the checked exceptions.
    
    Type Parameters:
    
    T - the type returned
    
    Parameters:
    
    future - to dereference
    
    timeout - to wait
    
    unit - for timeout
    
    Returns:
    
    the value of the future
  - rethrowExecutionException
```
public static RuntimeException rethrowExecutionException(ExecutionException e)
```