com.vip.vjtools.vjkit.concurrent.type

Class BasicFuture<T>

java.lang.Object

com.vip.vjtools.vjkit.concurrent.type.BasicFuture<T>

All Implemented Interfaces:

Future<T>

public abstract class BasicFuture<T>
extends Object
implements Future<T>

从Apache HttpClient 移植(2017.4)，一个Future实现类的基本框架. https://github.com/apache/httpcomponents-core/blob/master/httpcore5/src/main/java/org/apache/hc/core5/concurrent/BasicFuture.java 不过HC用的是callback，这里用的是继承

Constructor Summary

Constructors

Constructor and Description
BasicFuture()

Method Summary

Methods

Modifier and Type	Method and Description
boolean	cancel(boolean mayInterruptIfRunning)
boolean	completed(T result)
boolean	failed(Exception exception)
T	get()
T	get(long timeout, TimeUnit unit)
boolean	isCancelled()
boolean	isDone()
protected abstract void	onCancelled()
protected abstract void	onCompleted(T result)
protected abstract void	onFailed(Exception ex)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

BasicFuture

public BasicFuture()

Method Detail

isCancelled

public boolean isCancelled()

Specified by:

isCancelled in interface Future<T>

isDone

public boolean isDone()

Specified by:

isDone in interface Future<T>

get

public T get()
      throws InterruptedException,
             ExecutionException

Specified by:

get in interface Future<T>

Throws:

InterruptedException

ExecutionException

get

public T get(long timeout,
    TimeUnit unit)
      throws InterruptedException,
             ExecutionException,
             TimeoutException

Specified by:

get in interface Future<T>

Throws:

InterruptedException

ExecutionException

TimeoutException

completed

public boolean completed(T result)

failed

public boolean failed(Exception exception)

cancel

public boolean cancel(boolean mayInterruptIfRunning)

Specified by:

cancel in interface Future<T>

onCompleted

protected abstract void onCompleted(T result)

onFailed

protected abstract void onFailed(Exception ex)

onCancelled

protected abstract void onCancelled()