MACROMEDIA FLASH MEDIA SERVER 2-SERVER MANAGEMENT ACTIONSCRIPT LANGUAGE Manuale Utente Scaricare il pdf (Pagina 94)

ADOBE FLASH MEDIA INTERACTIVE SERVER

Server-Side ActionScript Language Reference

SharedObject.resyncDepth

so.resyncDepth

An integer that indicates when the deleted properties of a shared object should be permanently deleted. You can use

this property in a server-side script to resynchronize shared objects and to control when shared objects are deleted.

The default value is infinity.

If the current revision number of the shared object minus the revision number of the deleted property is greater than

the value of

SharedObject.resyncDepth, the property is deleted. Also, if a client connecting to this shared object

has a client revision that, when added to the value of

SharedObject.resyncDepth, is less than the value of the

current revision on the server, all the current elements of the client shared object are deleted, the valid properties are

sent to the client, and the client receives a “clear” message.

This method is useful when you add and delete many properties and you don’t want to send too many messages to

the client. Suppose that a client is connected to a shared object that has 12 properties and then disconnects. After

that client disconnects, other clients that are connected to the shared object delete 20 properties and add 10

properties. When the client reconnects, it could, for example, receive a delete message for the 10 properties it previ-

ously had and then a change message on two properties. You can use

SharedObject.resyncDepth property to send

a “clear” message, followed by a change message for two properties, which saves the client from receiving 10 delete

messages.

Availability

Flash Communication Server 1

Example

The following example resynchronizes the shared object

so if the revision number difference is greater than 10:

so = SharedObject.get("foo");

so.resyncDepth = 10;

SharedObject.send()

so.send(methodName, [p1, ..., pN])

Executes a method in a client-side script. You can use SharedObject.send() to asynchronously execute a method

on all the Flash clients subscribing to a shared object. The server does not receive any notification from the client on

the success, failure, or return value in response to this message.

Availability

Flash Communication Server 1

Parameters

methodName A string indicating the name of a method on a client-side shared object. For example, if you specify

doSomething", the client must invoke the SharedObject.doSomething() method, with all the p1, ..., pN

parameters.

p1, ..., pN Parameters of any type, including references to other objects. These parameters are passed to the

specified

methodName on the client.

Returns

A boolean value of

true if the message was sent to the client; otherwise, false.

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