nl.talsmasoftware.context.executors

Class ContextAwareExecutorService

java.lang.Object

nl.talsmasoftware.context.delegation.Wrapper<ExecutorService>

nl.talsmasoftware.context.delegation.DelegatingExecutorService

nl.talsmasoftware.context.delegation.CallMappingExecutorService

nl.talsmasoftware.context.executors.ContextAwareExecutorService

All Implemented Interfaces:

Executor, ExecutorService

public class ContextAwareExecutorService
extends CallMappingExecutorService

An instance of an executor service that delegates to another executor service that makes a new context snapshot whenever a task is scheduled (both Callable and Runnable tasks are mapped).

Author:

Sjoerd Talsma

Constructor Summary

Constructors

Constructor and Description
ContextAwareExecutorService(ExecutorService delegate)

Method Summary

Modifier and Type	Method and Description
protected <V> Callable<V>	map(Callable<V> callable) This method maps any callable (before scheduling it) by taking a snapshot of the context in the scheduling thread and propagating this context into the executed callable by snapshot reactivation.

Methods inherited from class nl.talsmasoftware.context.delegation.CallMappingExecutorService

wrap, wrap

Methods inherited from class nl.talsmasoftware.context.delegation.DelegatingExecutorService

awaitTermination, equals, execute, hashCode, invokeAll, invokeAll, invokeAny, invokeAny, isShutdown, isTerminated, shutdown, shutdownNow, submit, submit, submit, toString, wrap, wrapFutures, wrapTasks

Methods inherited from class nl.talsmasoftware.context.delegation.Wrapper

delegate, nonNullDelegate

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

ContextAwareExecutorService

public ContextAwareExecutorService(ExecutorService delegate)

Method Detail

map

protected <V> Callable<V> map(Callable<V> callable)

This method maps any callable (before scheduling it) by taking a snapshot of the context in the scheduling thread and propagating this context into the executed callable by snapshot reactivation.

Specified by:

map in class CallMappingExecutorService

Type Parameters:

V - the actual return type of the callable object being scheduled.

Parameters:

callable - The callable to be mapped.

Returns:

A callable that will reactivate the scheduling thread context snapshot before executing.