MACROMEDIA FLASH COMMUNICATION SERVER MX-SERVER-SIDE COMMUNICATION ACTIONSCRIPT DICTIONARY Spécifications télécharger pdf (Page 272)

Client-Side Communication ActionScript 81

Example

The following example shows how this value increments for a publishing stream.

myStream.publish("someData", "live");

// After 10 seconds, myStream.time = 10

// You then stop publishing for a while

myStream.publish(false);

// Later you resume publishing on the same stream

// either the same feed or a different feed

myStream.publish("otherData", "live");

// After 10 seconds, myStream.time = 20

See also

NetStream.close, NetStream.play, NetStream.publish

SharedObject (object)

Availability

• Flash Player 6.

• Flash Communication Server MX (not required).

Shared objects are quite powerful: they offer real-time data sharing between multiple client

movies and objects that are persistent on the local or remote location. You can think of local

shared objects as “cookies” and remote shared objects as real-time data transfer devices. Common

ways to use shared objects are summarized below.

• Maintaining local persistence

This is the simplest way to use a shared object, and does not require Flash Communication

Server. For example, you can call

SharedObject.getLocal to create a shared object, such as a

calculator with memory, in the player. Because the shared object is locally persistent, Flash

saves its data attributes on the user’s machine when the movie ends. The next time the movie

runs, the calculator contains the values it had when the movie ended. Alternatively, if you set

the shared object’s properties to

null before the movie ends, the calculator opens without any

prior values the next time the movie runs.

• Storing and sharing data on a server

A shared object can store data on the Flash Communication Server for other clients to retrieve.

For example, you can open a remote shared object, such as a phone list, that is persistent on the

server. Whenever a client makes any changes to the shared object, the revised data is available

to all clients that are currently connected to the object or who later connect to it. If the object

is also persistent locally and a client changes the data while not connected to the server, the

changes are copied to the remote shared object the next time the client connects to the object.

• Sharing data in real time

A shared object can share data among multiple clients in real time. For example, you can open

a remote shared object that stores real-time data, such as a list of users connected to a chat

room, that is visible to all clients connected to the object. When a user enters or leaves the chat

room, the object is updated and all clients that are connected to the object see the revised list of

chat room users.

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