org.tentackle.session

Class SessionKeepAliveTask

java.lang.Object

org.tentackle.task.AbstractTask

org.tentackle.session.SessionKeepAliveTask

All Implemented Interfaces:

Serializable, Comparable<Task>, Runnable, Task

public class SessionKeepAliveTask
extends AbstractTask

The task to keep a session alive.
The task uses the ExecutorService to spawn asynchroneous pings. This is necessary because a remote session may block on slow or bad communication lines which should not block the whole task dispatcher.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
SessionKeepAliveTask(SessionKeepAliveDaemon daemon, Session session, long interval, long timeOut) Creates a keep alive task.

Method Summary

Modifier and Type	Method and Description
protected Callable<Boolean>	createAliveCallable() Creates the alive callable.
protected Callable<Boolean>	createCloseCallable() Creates the close callable.
void	run()
String	toString()

Methods inherited from class org.tentackle.task.AbstractTask

addTaskListener, compareTo, equals, fireCompleted, fireStarted, getCause, getCompleted, getDispatcher, getId, getRepeatInterval, getResult, getScheduledEpochalTime, getStarted, hashCode, isInterruptable, removeTaskListener, setCause, setCompleted, setDispatcher, setId, setRepeatInterval, setResult, setScheduledEpochalTime, setStarted

Methods inherited from class java.lang.Object

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

Constructor Detail

SessionKeepAliveTask

public SessionKeepAliveTask(SessionKeepAliveDaemon daemon,
                            Session session,
                            long interval,
                            long timeOut)

Creates a keep alive task.

Parameters:

daemon - the keep alive daemon

session - the session

interval - the check interval in milliseconds, ≤ 0 to close

timeOut - the timeout interval in milliseconds

Method Detail

run

public void run()

toString

public String toString()

Overrides:

toString in class Object

createAliveCallable

protected Callable<Boolean> createAliveCallable()

Creates the alive callable.

Returns:

the callable

createCloseCallable

protected Callable<Boolean> createCloseCallable()

Creates the close callable.

Returns:

the callable