nl.justobjects.pushlet.core
Class SessionManager

java.lang.Object
  nl.justobjects.pushlet.core.SessionManager

All Implemented Interfaces:

ConfigDefs

public class SessionManager
extends java.lang.Object
implements ConfigDefs

Manages lifecycle of Sessions.

Version:

$Id: SessionManager.java,v 1.12 2007/12/04 13:55:53 justb Exp $

Author:

Just van den Broecke - Just Objects ©

Field Summary

Fields inherited from interface nl.justobjects.pushlet.core.ConfigDefs

CONTROLLER_CLASS, DISPATCHER_CLASS, LISTEN_FORCE_PULL_AGENTS, LISTEN_FORCE_PULL_ALL, LOG_LEVEL, LOG_LEVEL_DEBUG, LOG_LEVEL_ERROR, LOG_LEVEL_FATAL, LOG_LEVEL_INFO, LOG_LEVEL_TRACE, LOG_LEVEL_WARN, LOGGER_CLASS, POLL_REFRESH_TIMEOUT_MILLIS, POLL_REFRESH_WAIT_MAX_MILLIS, POLL_REFRESH_WAIT_MIN_MILLIS, PULL_REFRESH_TIMEOUT_MILLIS, PULL_REFRESH_WAIT_MAX_MILLIS, PULL_REFRESH_WAIT_MIN_MILLIS, QUEUE_READ_TIMEOUT_MILLIS, QUEUE_SIZE, QUEUE_WRITE_TIMEOUT_MILLIS, SESSION_CLASS, SESSION_ID_GENERATION, SESSION_ID_GENERATION_RANDOMSTRING, SESSION_ID_GENERATION_UUID, SESSION_ID_SIZE, SESSION_MANAGER_CLASS, SESSION_TIMEOUT_MINS, SOURCES_ACTIVATE, SUBSCRIBER_CLASS, SUBSCRIPTION_CLASS

Method Summary

void	addSession(Session session) Add session.
void	apply(java.lang.Object visitor, java.lang.reflect.Method method, java.lang.Object[] args) Visitor pattern implementation for Session iteration.
Session	createSession(Event anEvent) Create new Session (but add later).
static SessionManager	getInstance() Singleton pattern: get single instance.
Session	getSession(java.lang.String anId) Get Session by session id.
int	getSessionCount() Get number of listening Sessions.
Session[]	getSessions() Get copy of listening Sessions.
java.lang.String	getStatus() Get status info.
boolean	hasSession(java.lang.String anId) Is Session present?.
Session	removeSession(Session aSession) Register session for removal.
void	start() Starts us.
void	stop() Stopis us.

Methods inherited from class java.lang.Object

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

Method Detail

apply

public void apply(java.lang.Object visitor,
                  java.lang.reflect.Method method,
                  java.lang.Object[] args)

Visitor pattern implementation for Session iteration.

This method can be used to iterate over all Sessions in a threadsafe way. See Dispatcher.multicast and broadcast methods for examples.

Parameters:

visitor - the object that should implement method parm

method - the method to be called from visitor

args - arguments to be passed in visit method, args[0] will always be Session object

createSession

public Session createSession(Event anEvent)
                      throws PushletException

Create new Session (but add later).

Throws:

PushletException

getInstance

public static SessionManager getInstance()

Singleton pattern: get single instance.

getSession

public Session getSession(java.lang.String anId)

Get Session by session id.

getSessions

public Session[] getSessions()

Get copy of listening Sessions.

getSessionCount

public int getSessionCount()

Get number of listening Sessions.

getStatus

public java.lang.String getStatus()

Get status info.

hasSession

public boolean hasSession(java.lang.String anId)

Is Session present?.

addSession

public void addSession(Session session)

Add session.

removeSession

public Session removeSession(Session aSession)

Register session for removal.

start

public void start()
           throws PushletException

Starts us.

Throws:

PushletException

stop

public void stop()

Stopis us.