Introduction to Flex Data Services 2 Charles Bihis Technical Evangelist Enterprise & Developer Relations Group FlexGala December 13 th , 2006

Welcome! Thanks for coming What is Adobe Flex Data Services? Why should I use Adobe Flex Data Services? What can I build with it? How can I build with it? Q & A

Thanks for coming

What is Adobe Flex Data Services?

Why should I use Adobe Flex Data Services?

What can I build with it?

How can I build with it?

Q & A

Introducing Flex Data Services Enterprise-level solution allowing applications to feature not only rich client interfaces, but also rich data management

Limited Model Current web-based applications polling General lack of support for messaging in the browser Data synchronization between tiers is complex and cumbersome Server HTTP

General lack of support for messaging in the browser

Data synchronization between tiers is complex and cumbersome

Messaging System in Flex Data Services 2 Message Service Flex Data Services Endpoint Publisher Subscriber RTMP AMF HTTP Client A Client B Client C

Hello world!

Publishing a Message Creating a Producer <mx:Producer id=“producer” destination=“chat”/> Sending the message public function Send():void { // create the message var sendMessage:AsyncMessage = new AsyncMessage(); sendMessage.body.userID = userIDBox.text; sendMessage.body.message = messageBox.text; // send the message producer.send(sendMessage); } // Send

Creating a Producer

<mx:Producer id=“producer” destination=“chat”/>

Sending the message

public function Send():void

{

// create the message

var sendMessage:AsyncMessage = new AsyncMessage();

sendMessage.body.userID = userIDBox.text;

sendMessage.body.message = messageBox.text;

// send the message

producer.send(sendMessage);

} // Send

Subscribing to a destination Creating a Consumer <mx:Consumer id=“consumer” destination=“chat” message=“messageHandler(event)”/> Handling the messages public function MessageHandler(event:MessageEvent):void { var receiveMessage:Object = event.message.body; chatLog.text += receiveMessage.userID + “: “ + receiveMessage.message + “
”; } // MessageHandler

Creating a Consumer

<mx:Consumer id=“consumer”

destination=“chat”

message=“messageHandler(event)”/>

Handling the messages

public function MessageHandler(event:MessageEvent):void

{

var receiveMessage:Object = event.message.body;

chatLog.text += receiveMessage.userID + “: “ +

receiveMessage.message + “
”;

} // MessageHandler

Collaboration Dashboard – Application Sharing John’s session Linda’s session

Demo “Collaboration Dashboard”

Enterprise Integration Message Service Flex Enterprise Services Endpoint Publisher Subscriber RTMP AMF HTTP Adapter Y Adapter X Messaging System Y Messaging System X JMS Provider JMS Adapter

JMS Chat

Real-Time Data Feed using Data PUSH

Demo “Stock Market Monitor”

Live Demo “QuickChat” <destination id=&quot;contact&quot;> <adapter ref=&quot;java-dao&quot; /> <properties> <metadata> <identity property=&quot;contactId&quot;/> </metadata> <server> <assembler> <class>samples.contact.Conta </assembler> <fill-method> <name>loadContacts</name> </fill-method> <sync-method> <name>syncContacts</name> </sync-method>

<destination id=&quot;contact&quot;>

<adapter ref=&quot;java-dao&quot; />

<properties>

<metadata>

<identity property=&quot;contactId&quot;/>

</metadata>

<server>

<assembler>

<class>samples.contact.Conta

</assembler>

<fill-method>

<name>loadContacts</name>

</fill-method>

<sync-method>

<name>syncContacts</name>

</sync-method>

Messaging Services (summary) The Messaging System allows for whole new categories of applications to be developed Publish/Subscribe  chat Data Sync  collaboration dashboard Data-Push  real-time data tracker

The Messaging System allows for whole new categories of applications to be developed

Publish/Subscribe  chat

Data Sync  collaboration dashboard

Data-Push  real-time data tracker

Enabling Technology FREE FREE FREE *free version is called “Flex Data Services Express Click here for more info . Flex Framework 2 Flex Data Services* Flash Player 9

Future “Apollo”

What is “Apollo”?

“ Apollo” Applications from a User’s Perspective Installed from web browser or file system Launched like any desktop application Chrome completely controlled by application Integrated with usual desktop functionality

Installed from web browser or file system

Launched like any desktop application

Chrome completely controlled by application

Integrated with usual desktop functionality

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