Future (motan-core 1.2.2 API)

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所有已知子接口:

ResponseFuture

所有已知实现类:

DefaultResponseFuture
```
public interface Future
```
版本:

创建时间：2013-6-14

作者:

maijunsheng

方法概要

所有方法实例方法抽象方法
限定符和类型	方法和说明
`void`	`addListener(FutureListener listener)` add future listener , when task is success，failure, timeout, cancel, it will be called
`boolean`	`cancel()` cancle the task
`Exception`	`getException()` if task is done or cancle, return the exception
`Object`	`getValue()` if task is success, return the result.
`boolean`	`isCancelled()` task cancelled
`boolean`	`isDone()` task is complete : normal or exception
`boolean`	`isSuccess()` isDone() & normal

- 方法详细资料
  - cancel
```
boolean cancel()
```
    cancle the task
    
    返回:
  - isCancelled
```
boolean isCancelled()
```
    task cancelled
    
    返回:
  - isDone
```
boolean isDone()
```
    task is complete : normal or exception
    
    返回:
  - isSuccess
```
boolean isSuccess()
```
    isDone() & normal
    
    返回:
  - getValue
```
Object getValue()
```
    if task is success, return the result.
    
    返回:
    
    抛出:
    
    Exception - when timeout, cancel, onFailure
  - getException
```
Exception getException()
```
    if task is done or cancle, return the exception
    
    返回:
  - addListener
```
void addListener(FutureListener listener)
```
    add future listener , when task is success，failure, timeout, cancel, it will be called
    
    参数:
    
    listener -

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