eu.emi.dsr.util
Class TimeoutRunner<V>

java.lang.Object
  eu.emi.dsr.util.TimeoutRunner<V>

Type Parameters:

V - - the type of result

All Implemented Interfaces:

Callable<V>

public class TimeoutRunner<V>
extends Object
implements Callable<V>

runs a task with an external timeout

Author:

schuller

Constructor Summary

TimeoutRunner(Callable<V> task, int timeout, TimeUnit unit)

Method Summary

V	call()
static <Result> Result	compute(Callable<Result> task, int timeout) helper for computing a result using a TimeoutRunner
static <Result> Result	compute(Callable<Result> task, int timeout, TimeUnit units) helper for computing a result using a TimeoutRunner

Methods inherited from class java.lang.Object

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

Constructor Detail

TimeoutRunner

public TimeoutRunner(Callable<V> task,
                     int timeout,
                     TimeUnit unit)

Parameters:

timeout - - milliseconds before timeout

task - - the task to execute

Method Detail

call

public V call()
       throws RejectedExecutionException,
              InterruptedException

Specified by:

call in interface Callable<V>

Throws:

RejectedExecutionException

InterruptedException

compute

public static <Result> Result compute(Callable<Result> task,
                                      int timeout)

helper for computing a result using a TimeoutRunner

Type Parameters:

Result -

Parameters:

task -

timeout - - time out in milliseconds

Returns:

a Result or null if the timeout is reached, or an exception occurs

compute

public static <Result> Result compute(Callable<Result> task,
                                      int timeout,
                                      TimeUnit units)

helper for computing a result using a TimeoutRunner

Type Parameters:

Result -

Parameters:

task -

timeout -

units - the TimeUnit to use

Returns:

a Result or null if the timeout is reached