com.maverick.nio

Class SelectorThread

java.lang.Object

java.lang.Thread

com.maverick.nio.SelectorThread

All Implemented Interfaces:

Runnable

public class SelectorThread
extends Thread

Provides management of a single selector.

Author:

Lee David Painter

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Thread

Thread.State, Thread.UncaughtExceptionHandler

Field Summary

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

Constructors

Constructor and Description
SelectorThread(SelectorThreadPool pool, SelectorThreadImpl impl, boolean isPermanent, int maximumNumOfChannels, int id, int idleServicePeriod, int inactivePeriodsPerIdleEvent, SelectorProvider selectorProvider) Construct a new selector thread.

Method Summary

Modifier and Type	Method and Description
void	addSelectorOperation(Runnable r) Add an operation to the selector.
void	closeAllChannels()
void	flagShutdown() Shutdown the thread.
int	getMaximumLoad() Get the maximum number of channels that this thread can service.
int	getSelectorId() Get the id of this selector thread.
int	getThreadLoad() Get the current thread load.
boolean	isPermanent() Is this a permanent thread?
boolean	isRunning()
boolean	register(SelectableChannel sc, int ops, Object attachment, boolean wakeUp) Register a channel with the selector.
void	run() The threads main.
void	shutdown()
void	start()
void	wakeup() Wakeup the selector.

Methods inherited from class java.lang.Thread

activeCount, checkAccess, clone, countStackFrames, currentThread, destroy, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, stop, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

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

Constructor Detail

SelectorThread

public SelectorThread(SelectorThreadPool pool,
                      SelectorThreadImpl impl,
                      boolean isPermanent,
                      int maximumNumOfChannels,
                      int id,
                      int idleServicePeriod,
                      int inactivePeriodsPerIdleEvent,
                      SelectorProvider selectorProvider)
               throws IOException

Construct a new selector thread.

Parameters:

pool - SelectorThreadPool

impl - SelectorThreadImpl

isPermanent - boolean

maximumNumOfChannels - int

id - int

idleServicePeriod - int

inactivePeriodsPerIdleEvent - int

selectorProvider - SelectorProvider

Throws:

IOException

Method Detail

register

public boolean register(SelectableChannel sc,
                        int ops,
                        Object attachment,
                        boolean wakeUp)
                 throws ClosedChannelException

Register a channel with the selector.

Parameters:

sc - SelectableChannel

ops - int

attachment - Object

wakeUp - boolean

Returns:

boolean

Throws:

ClosedChannelException

closeAllChannels

public void closeAllChannels()

addSelectorOperation

public void addSelectorOperation(Runnable r)

Add an operation to the selector.

Parameters:

r - Runnable

wakeup

public void wakeup()

Wakeup the selector.

getThreadLoad

public int getThreadLoad()

Get the current thread load.

Returns:

int

isPermanent

public boolean isPermanent()

Is this a permanent thread?

Returns:

boolean

flagShutdown

public void flagShutdown()

Shutdown the thread.

shutdown

public void shutdown()

getSelectorId

public int getSelectorId()

Get the id of this selector thread.

Returns:

int

getMaximumLoad

public int getMaximumLoad()

Get the maximum number of channels that this thread can service.

Returns:

int

start

public void start()

Overrides:

start in class Thread

run

public void run()

The threads main.

Specified by:

run in interface Runnable

Overrides:

run in class Thread

isRunning

public boolean isRunning()