org.fujion.websocket

Class Sessions

java.lang.Object

org.fujion.websocket.Sessions

All Implemented Interfaces:

org.springframework.beans.factory.config.BeanPostProcessor

public class Sessions
extends Object
implements org.springframework.beans.factory.config.BeanPostProcessor

Keeps track of active sessions.

Method Summary

Modifier and Type	Method and Description
void	addLifecycleListener(ISessionLifecycle listener) Registers a lifecycle listener.
protected Session	createSession(javax.servlet.ServletContext servletContext, org.springframework.web.socket.WebSocketSession socket) Creates and registers a new session.
protected void	destroySession(org.springframework.web.socket.WebSocketSession socket, org.springframework.web.socket.CloseStatus status) Destroys and unregisters the session associated with the specified web socket.
Collection<Session>	getActiveSessions() Returns a read-only list of all active sessions.
static Sessions	getInstance()
Session	getSession(String id) Looks up a session by its unique id.
protected void	notifyLifecycleListeners(Session session, boolean created) Notify lifecycle listeners of a lifecycle event.
Object	postProcessAfterInitialization(Object bean, String beanName) Detects and registers lifecycle listeners.
Object	postProcessBeforeInitialization(Object bean, String beanName) NOP
void	removeLifecycleListener(ISessionLifecycle listener) Unregisters a lifecycle listener.

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static Sessions getInstance()

getActiveSessions

public Collection<Session> getActiveSessions()

Returns a read-only list of all active sessions.

Returns:

List of all active sessions.

addLifecycleListener

public void addLifecycleListener(ISessionLifecycle listener)

Registers a lifecycle listener.

Parameters:

listener - A lifecycle listener.

removeLifecycleListener

public void removeLifecycleListener(ISessionLifecycle listener)

Unregisters a lifecycle listener.

Parameters:

listener - A lifecycle listener.

notifyLifecycleListeners

protected void notifyLifecycleListeners(Session session,
                                        boolean created)

Notify lifecycle listeners of a lifecycle event.

Parameters:

session - Session triggering the event.

created - If true, it is a create event; if false, a destroy event.

getSession

public Session getSession(String id)

Looks up a session by its unique id.

Parameters:

id - The session id.

Returns:

The associated session, or null if none found.

createSession

protected Session createSession(javax.servlet.ServletContext servletContext,
                                org.springframework.web.socket.WebSocketSession socket)

Creates and registers a new session.

Parameters:

servletContext - The servlet context.

socket - The web socket session.

Returns:

The newly created session.

destroySession

protected void destroySession(org.springframework.web.socket.WebSocketSession socket,
                              org.springframework.web.socket.CloseStatus status)

Destroys and unregisters the session associated with the specified web socket.

Parameters:

socket - The web socket session.

status - The close status.

postProcessBeforeInitialization

public Object postProcessBeforeInitialization(Object bean,
                                              String beanName)
                                       throws org.springframework.beans.BeansException

NOP

Specified by:

postProcessBeforeInitialization in interface org.springframework.beans.factory.config.BeanPostProcessor

Throws:

org.springframework.beans.BeansException

postProcessAfterInitialization

public Object postProcessAfterInitialization(Object bean,
                                             String beanName)
                                      throws org.springframework.beans.BeansException

Detects and registers lifecycle listeners.

Specified by:

postProcessAfterInitialization in interface org.springframework.beans.factory.config.BeanPostProcessor

Throws:

org.springframework.beans.BeansException