org.norther.tammi.core.thread
Class AbstractExecutor

java.lang.Object
  org.norther.tammi.core.base.Adaptee
      org.norther.tammi.core.thread.AbstractExecutor

All Implemented Interfaces:

Serializable, Executor, ExecutorService, NotificationBroadcaster, NotificationEmitter, Manageable, MBeanDelegate, Startable

Direct Known Subclasses:

DefaultDirectExecutor, DefaultThreadedExecutor

public abstract class AbstractExecutor
extends Adaptee
implements Executor

An abstract implementation of Executor.

Version:

$Id: AbstractExecutor.java,v 1.7 2009/09/28 15:08:43 cvsimp Exp $

Author:

Ilkka Priha

See Also:

Serialized Form

Field Summary

Fields inherited from class org.norther.tammi.core.base.Adaptee

ADAPTEE_NOTIF_DESCRIPTION, ADAPTEE_NOTIFICATIONS

Constructor Summary

AbstractExecutor()
Constructs a new executor.

Method Summary

boolean	awaitTermination(long timeout, TimeUnit unit)
void	execute(Runnable task)
int	getActiveCount() Gets the number of currently running tasks.
long	getCompletedTaskCount() Gets the total number of completed tasks.
protected ExecutorService	getExecutor() Gets the implementation of the executor.
long	getTaskCount() Gets the total number of completed, active or scheduled tasks.
<T> List<Future<T>>	invokeAll(Collection<? extends Callable<T>> tasks)
<T> List<Future<T>>	invokeAll(Collection<? extends Callable<T>> tasks, long timeout, TimeUnit unit)
<T> T	invokeAny(Collection<? extends Callable<T>> tasks)
<T> T	invokeAny(Collection<? extends Callable<T>> tasks, long timeout, TimeUnit unit)
boolean	isShutdown()
boolean	isStarted() Checks whether the startable has been started.
boolean	isTerminated()
protected abstract ExecutorService	newExecutor() Creates the implementation of the executor.
void	postmanaged() This method is called when the implementing adaptee has been managed either during post-registration of the corresponding adapter MBean or just after it is explicitly added to the adapter MBean during run-time.
void	shutdown()
List<Runnable>	shutdownNow()
void	start() Starts the MBean.
void	stop() Stops the MBean.
<T> Future<T>	submit(Callable<T> task)
Future<?>	submit(Runnable task)
<T> Future<T>	submit(Runnable task, T result)
void	unmanaged() This method is called when the implementing adaptee is unmanaged either during pre-deregistration of the corresponding adapter MBean or just before it is explicitly removed from the adapter MBean during run-time.

Methods inherited from class org.norther.tammi.core.base.Adaptee

addAdaptee, addNotificationListener, getAttributeSupport, getBroker, getCanonicalName, getDomain, getFactory, getLoader, getLog, getLog, getMBean, getMBeanServer, getNotificationInfo, getObjectName, getRegistrationTime, getSequenceNumber, hasListeners, isRegistered, premanaged, removeNotificationListener, removeNotificationListener, sendNotification, sendNotification, sendNotification, sendNotification, unregister

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractExecutor

public AbstractExecutor()

Constructs a new executor.

Method Detail

postmanaged

public void postmanaged()

Description copied from interface: Manageable

This method is called when the implementing adaptee has been managed either during post-registration of the corresponding adapter MBean or just after it is explicitly added to the adapter MBean during run-time.

Specified by:

postmanaged in interface Manageable

Overrides:

postmanaged in class Adaptee

unmanaged

public void unmanaged()
               throws Exception

Description copied from interface: Manageable

This method is called when the implementing adaptee is unmanaged either during pre-deregistration of the corresponding adapter MBean or just before it is explicitly removed from the adapter MBean during run-time.

Specified by:

unmanaged in interface Manageable

Overrides:

unmanaged in class Adaptee

Throws:

Exception - if the adaptee refused to be unmanaged.

isStarted

public boolean isStarted()

Description copied from interface: Startable

Checks whether the startable has been started.

Specified by:

isStarted in interface Startable

Returns:

true if started, otherwise false.

start

public void start()
           throws Exception

Description copied from interface: Startable

Starts the MBean.

Specified by:

start in interface Startable

Throws:

Exception - if start fails.

stop

public void stop()

Description copied from interface: Startable

Stops the MBean.

Specified by:

stop in interface Startable

awaitTermination

public boolean awaitTermination(long timeout,
                                TimeUnit unit)
                         throws InterruptedException

Specified by:

awaitTermination in interface ExecutorService

Throws:

InterruptedException

isShutdown

public boolean isShutdown()

Specified by:

isShutdown in interface ExecutorService

isTerminated

public boolean isTerminated()

Specified by:

isTerminated in interface ExecutorService

shutdown

public void shutdown()

Specified by:

shutdown in interface ExecutorService

shutdownNow

public List<Runnable> shutdownNow()

Specified by:

shutdownNow in interface ExecutorService

invokeAll

public <T> List<Future<T>> invokeAll(Collection<? extends Callable<T>> tasks,
                                     long timeout,
                                     TimeUnit unit)
                          throws InterruptedException

Specified by:

invokeAll in interface ExecutorService

Throws:

InterruptedException

invokeAll

public <T> List<Future<T>> invokeAll(Collection<? extends Callable<T>> tasks)
                          throws InterruptedException

Specified by:

invokeAll in interface ExecutorService

Throws:

InterruptedException

invokeAny

public <T> T invokeAny(Collection<? extends Callable<T>> tasks,
                       long timeout,
                       TimeUnit unit)
            throws InterruptedException,
                   ExecutionException,
                   TimeoutException

Specified by:

invokeAny in interface ExecutorService

Throws:

InterruptedException

ExecutionException

TimeoutException

invokeAny

public <T> T invokeAny(Collection<? extends Callable<T>> tasks)
            throws InterruptedException,
                   ExecutionException

Specified by:

invokeAny in interface ExecutorService

Throws:

InterruptedException

ExecutionException

submit

public <T> Future<T> submit(Callable<T> task)

Specified by:

submit in interface ExecutorService

submit

public <T> Future<T> submit(Runnable task,
                            T result)

Specified by:

submit in interface ExecutorService

submit

public Future<?> submit(Runnable task)

Specified by:

submit in interface ExecutorService

execute

public void execute(Runnable task)

Specified by:

execute in interface Executor

getCompletedTaskCount

public long getCompletedTaskCount()

Description copied from interface: Executor

Gets the total number of completed tasks.

Returns:

the number of completed tasks.

getActiveCount

public int getActiveCount()

Description copied from interface: Executor

Gets the number of currently running tasks.

Returns:

the number of active tasks.

getTaskCount

public long getTaskCount()

Description copied from interface: Executor

Gets the total number of completed, active or scheduled tasks.

Returns:

the number of any tasks.

getExecutor

protected ExecutorService getExecutor()

Gets the implementation of the executor.

Returns:

the executor implementation or null if not started.

newExecutor

protected abstract ExecutorService newExecutor()

Creates the implementation of the executor.

Returns:

the executor implementation.

Throws:

NullPointerException - for missing resources.