org.jboss.weld.manager.api

Interface ExecutorServices

All Superinterfaces:

Service

public interface ExecutorServices
extends Service

Allows a custom TaskExecutor to be provided by the container. By default, Executors.newSingleThreadExecutor() is used. This is a per-deployment service.

Author:

Pete Muir, Jozef Hartinger

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	ExecutorServices.TaskFactory<T> Instead of submitting a list of tasks to be executed a caller may submit a factory object capable of creating the list of tasks.

Method Summary

Methods

Modifier and Type	Method and Description
ExecutorService	getTaskExecutor()
<T> List<Future<T>>	invokeAllAndCheckForExceptions(Collection<? extends Callable<T>> tasks) Executes the given tasks and blocks until they all finish.
<T> List<Future<T>>	invokeAllAndCheckForExceptions(ExecutorServices.TaskFactory<T> factory) Executes all the tasks returned from calling ExecutorServices.TaskFactory.createTasks(int) method.

Methods inherited from interface org.jboss.weld.bootstrap.api.Service

cleanup

Method Detail

getTaskExecutor

ExecutorService getTaskExecutor()

invokeAllAndCheckForExceptions

<T> List<Future<T>> invokeAllAndCheckForExceptions(Collection<? extends Callable<T>> tasks)

Executes the given tasks and blocks until they all finish. If a task throws an exception, the exception is rethrown by this method. If multiple tasks throw exceptions, there is no guarantee about which of the exceptions is rethrown by this method.

Parameters:

tasks - the collection of tasks

Returns:

A list of Futures representing the tasks, in the same sequential order as produced by the iterator for the given task list, each of which has completed.

invokeAllAndCheckForExceptions

<T> List<Future<T>> invokeAllAndCheckForExceptions(ExecutorServices.TaskFactory<T> factory)

Executes all the tasks returned from calling ExecutorServices.TaskFactory.createTasks(int) method. The method is called exactly once.If a task throws an exception, the exception is rethrown by this method. If multiple tasks throw exceptions, there is no guarantee about which of the exceptions is rethrown by this method.

Parameters:

factory - factory capable of creating tasks

Returns:

A list of Futures representing the tasks, in the same sequential order as produced by the iterator for the given task list, each of which has completed.