org.h2.util

类 LazyFuture<T>

java.lang.Object

org.h2.util.LazyFuture<T>

所有已实现的接口:

Future<T>

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

Single threaded lazy future.

作者:

Sergi Vladykin

构造器概要

构造器

构造器和说明
LazyFuture()

方法概要

限定符和类型	方法和说明
boolean	cancel(boolean mayInterruptIfRunning)
T	get()
T	get(long timeout, TimeUnit unit)
boolean	isCancelled()
boolean	isDone()
boolean	reset() Reset this future to the initial state.
protected abstract T	run() Run computation and produce the result.

从类继承的方法 java.lang.Object

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

构造器详细资料

LazyFuture

public LazyFuture()

方法详细资料

reset

public boolean reset()

Reset this future to the initial state.

返回:

false if it was already in initial state

run

protected abstract T run()
                  throws Exception

Run computation and produce the result.

返回:

the result of computation

抛出:

Exception

cancel

public boolean cancel(boolean mayInterruptIfRunning)

指定者:

cancel 在接口中 Future<T>

get

public T get()
      throws InterruptedException,
             ExecutionException

指定者:

get 在接口中 Future<T>

抛出:

InterruptedException

ExecutionException

get

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

指定者:

get 在接口中 Future<T>

抛出:

InterruptedException

ExecutionException

isCancelled

public boolean isCancelled()

指定者:

isCancelled 在接口中 Future<T>

isDone

public boolean isDone()

指定者:

isDone 在接口中 Future<T>