MACROMEDIA FLASH MEDIA SERVER 2-SERVER MANAGEMENT ACTIONSCRIPT LANGUAGE Manuale Utente Scaricare il pdf (Pagina 86)

ADOBE FLASH MEDIA INTERACTIVE SERVER

Server-Side ActionScript Language Reference

Returns

A boolean value of

true if successful; otherwise, false.

Example

The following example places a reference to the shared object

foo in the variable so. It then locks the shared object

instance so that no one can make any changes to it and saves the shared object by calling

so.flush(). After the

shared object is saved, it is unlocked so that further changes can be made.

var so = SharedObject.get("foo", true);

so.lock();

// Insert code here that operates on the shared object.

so.flush();

so.unlock();

SharedObject.get()

SharedObject.get(name, persistence [, netConnection])

Static; creates a shared object or returns a reference to an existing shared object. To perform any operation on a

shared object, the server-side script must get a reference to the shared object by using the

SharedObject.get()

method. If the requested object is not found, a new instance is created.

Availability

Flash Communication Server 1

Parameters

name Name of the shared object instance to return.

persistence A boolean value: true for a persistent shared object; false for a nonpersistent shared object. If no

value is specified, the default value is

false.

netConnection A NetConnection object that represents a connection to an application instance. You can pass this

parameter to get a reference to a shared object on another server or a shared object that is owned by another appli-

cation instance. All update notifications for the shared object specified by the

name parameter are proxied to this

instance, and the remote instance notifies the local instance when a persistent shared object changes. The NetCon-

nection object that is used as the

netConnection parameter does not need to be connected when you call

SharedObject.get(). The server connects to the remote shared object when the NetConnection state changes to

connected. This parameter is optional.

Returns

A reference to an instance of the SharedObject class.

Details

There are two types of shared objects, persistent and nonpersistent, and they have separate namespaces. This means

that a persistent and a nonpersistent shared object can have the same name and exist as two distinct shared objects.

Shared objects are scoped to the namespace of the application instance and are identified by a string. The shared

object names should conform to the URI specification.

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