com::mxgraph::mxSession Class Reference

Implements a session that may be attached to a shared diagram. More...

Public Member Functions
	mxSession (string id, mxSharedDiagram diagram)
	Constructs a new session with the given ID.
string	Init ()
	Initializes the session buffer and returns a string that represents the state of the session.
string	GetInitialMessage ()
	Returns an XML string that represents the current state of the session and the shared diagram. A globally unique ID is used as the session's namespace, which is used on the client side to prefix IDs of newly created cells.
void	Receive (XmlNode message)
	Posts the change represented by the given XML string to the shared diagram.
string	Poll ()
	Returns the changes received by other sessions for the shared diagram. The method returns an empty XML node if no change was received within 10 seconds.
string	Poll (int timeout)
	Returns the changes received by other sessions for the shared diagram. The method returns an empty XML node if no change was received within the given timeout.
void	DiagramChanged (Object sender, string xml)
	Invoked when the shared diagram has changed.
long	InactiveTimeMillis ()
	Returns the number of milliseconds this session has been inactive.
void	Destroy ()
	Destroys the session and removes its listener from the shared diagram.
Static Public Attributes
static int	DEFAULT_TIMEOUT = 10000
	Default timeout is 10000 ms.
Protected Attributes
string	id
	Holds the session ID.
mxSharedDiagram	diagram
	Reference to the shared diagram.
StringBuilder	buffer = new StringBuilder()
	Holds the send buffer for this session.
long	lastTimeMillis = 0
	Holds the last active time millis.
Properties
string	Id `[get]`
	Returns the session ID.

Detailed Description

Implements a session that may be attached to a shared diagram.

Constructor & Destructor Documentation

com::mxgraph::mxSession::mxSession	(	string	id,
		mxSharedDiagram	diagram
	)			`[inline]`

Constructs a new session with the given ID.

Parameters:

	id	Specifies the session ID to be used.
	diagram	Reference to the shared diagram.

Member Function Documentation

void com::mxgraph::mxSession::Destroy ( ) [inline]

Destroys the session and removes its listener from the shared diagram.

void com::mxgraph::mxSession::DiagramChanged	(	Object	sender,
		string	xml
	)			`[inline]`

Invoked when the shared diagram has changed.

Parameters:

	sender	Session where the change was received from.
	xml	XML string that represents the change.

string com::mxgraph::mxSession::GetInitialMessage ( ) [inline]

Returns an XML string that represents the current state of the session and the shared diagram. A globally unique ID is used as the session's namespace, which is used on the client side to prefix IDs of newly created cells.

long com::mxgraph::mxSession::InactiveTimeMillis ( ) [inline]

Returns the number of milliseconds this session has been inactive.

string com::mxgraph::mxSession::Init ( ) [inline]

Initializes the session buffer and returns a string that represents the state of the session.

Returns:: Returns the initial state of the session.

string com::mxgraph::mxSession::Poll ( int timeout ) [inline]

Returns the changes received by other sessions for the shared diagram. The method returns an empty XML node if no change was received within the given timeout.

Parameters:

timeout

Time in milliseconds to wait for changes.

Returns:: Returns a string representing the changes to the shared diagram.

string com::mxgraph::mxSession::Poll ( ) [inline]

Returns the changes received by other sessions for the shared diagram. The method returns an empty XML node if no change was received within 10 seconds.