org.tentackle.session

Class SessionKeepAliveDaemon

java.lang.Object

java.lang.Thread

org.tentackle.task.DefaultTaskDispatcher

org.tentackle.session.SessionKeepAliveDaemon

All Implemented Interfaces:

Runnable, Killable, Supervisable, Terminatable, TaskDispatcher

public class SessionKeepAliveDaemon
extends DefaultTaskDispatcher

A task dispatcher to keep sessions alive.

Author:

harald

Nested Class Summary

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

Thread.State, Thread.UncaughtExceptionHandler

Field Summary

Fields inherited from class org.tentackle.task.DefaultTaskDispatcher

INSTANCE_COUNTER

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

Constructors

Constructor and Description
SessionKeepAliveDaemon(long minAliveInterval) Creates the daemon.

Method Summary

Modifier and Type	Method and Description
protected void	cleanup()
protected Task	createAliveTask(Session session, long interval) Creates a keep alive task.
protected ExecutorService	createExecutorService() Creates the executor service.
ExecutorService	getExecutorService() Gets the executor service.
void	keepAliveIntervalChanged(Session session) Handles the change of a keep alive interval of a session.
void	removeAliveTask(Session session) Removes the task for given session.
void	run()

Methods inherited from class org.tentackle.task.DefaultTaskDispatcher

addTask, addTaskAndWait, addTaskListener, assertAlive, assertIntervalsInRange, assertNotAlive, assertNotKilled, createLock, executeTask, fireCompleted, fireStarted, getAllTasks, getDeadInterval, getQueueSize, getShutdownIdleTimeout, getSleepInterval, getTask, getTerminationCause, interrupt, isDead, isInstanceOfTaskPending, isKilled, isQueueEmpty, isTaskDispatcherThread, isTaskPending, isTerminationRequested, isUsingMutexLocking, kill, lock, lockInternal, nextTask, removeTask, removeTaskListener, requestTermination, setDead, setDeadInterval, setShutdownIdleTimeout, setSleepInterval, setUsingMutexLocking, sleepForInterval, startedAt, terminate, terminatedAt, toDiagnosticString, unlock, unlockInternal, waitForTask

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, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, start, stop, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.tentackle.task.TaskDispatcher

isAlive, start

Methods inherited from interface org.tentackle.daemon.Supervisable

getName

Constructor Detail

SessionKeepAliveDaemon

public SessionKeepAliveDaemon(long minAliveInterval)

Creates the daemon.

Parameters:

minAliveInterval - the minimum alive interval

Method Detail

cleanup

protected void cleanup()

Overrides:

cleanup in class DefaultTaskDispatcher

run

public void run()

Specified by:

run in interface Runnable

Overrides:

run in class DefaultTaskDispatcher

keepAliveIntervalChanged

public void keepAliveIntervalChanged(Session session)

Handles the change of a keep alive interval of a session.

Parameters:

session - the session

removeAliveTask

public void removeAliveTask(Session session)

Removes the task for given session.

Parameters:

session - the session

getExecutorService

public ExecutorService getExecutorService()

Gets the executor service.

Returns:

the executor service

createExecutorService

protected ExecutorService createExecutorService()

Creates the executor service.

Returns:

the executor service

createAliveTask

protected Task createAliveTask(Session session,
                               long interval)

Creates a keep alive task.

Parameters:

session - the session

interval - the keep-alive interval in milliseconds

Returns:

the created task