With lcds, you can call java methods directly, which you cannot call without lcds. So for any server side interaction in terms of remote method, you need lcds. Simple interaction with server in terms of plain text (http Service) or SOAP ( web service) can be done without lcds.
Thanks, Renu On Sun, Aug 23, 2009 at 9:47 PM, Renu <[email protected]> wrote: > *With lcds:* > Allows a your application to directly invoke methods(remote objects) on > Java classes residing on the application server > > *Without lcds:* > > - You may read XML directly from the server via HTTP Service > - Your application can invoke directly to server side webservices using > SOAP. > > I hope, this will clear your doubts. > > Thanks, > Renu > > On Sun, Aug 23, 2009 at 8:12 PM, chandra <[email protected]>wrote: > >> >> >> Hi Renu, >> >> >> Thanks for the information. >> >> One small question what makes the difference while developing the >> flex application with LCDS and without LCDS. >> >> >> regards, >> Sreeram. >> >> >> On Aug 19, 10:59 am, Renu <[email protected]> wrote: >> > When developing a rich Internet application, one investment in >> server-side >> > infrastructure. >> > >> > One luxury of rich Internet application development is the seamless >> means by >> > which server integration now challenge is deciding which functionality >> the >> > application can and should execute on the client, and which >> functionality >> > should reside on a server. In evaluating these tradeoffs, you might take >> > into account issues such as performance, scalability, and security. In >> other >> > cases the decision may simply be dictated by the desire to provide a >> rich >> > user experience based on an existing occurs. With a web application, a >> > request to the server for data typically results in a page refresh for >> the >> > user. With an RIA, however, the user is oblivious to the distinction >> between >> > client-side and server-side processing. Requests for data do not >> interrupt >> > the flow of control; instead, data requests are made asynchronously and >> the >> > application is notified when these results become available. >> > >> > There are a number of mechanisms available for integrating a Flex RIA >> with >> > server-side data. Flex data access components use remote procedure calls >> > (RPCs) to interact with server environments. There are three Flex data >> > access components: >> > >> > *HTTPService*: Passes textual data over HTTP. This is often used to >> fetch >> > RSS feeds, read XML generated by a server, or simply pass text-based >> data >> > from server to client. (without LCDS) >> > >> > *WebService*: Allows a Flex application to invoke server-side web >> services >> > using SOAP and handle the results of web service calls. These web >> services >> > may reside on the server that has served the rich Internet application >> or >> > may call third-party web services through a proxy on the server. >> (without >> > LCDS) >> > *RemoteObject*: Allows a Flex application to directly invoke methods on >> Java >> > classes residing on the application server that has served the RIA. Data >> is >> > transferred in binary format (Adobe Action Message Format or AMF) over >> HTTP >> > or HTTPS, with the server translating Java and ActionScript objects as >> they >> > pass over the wire. (achieved through LCDS/ blazeDs etc) >> > Thanks, >> > Renu >> > >> > On Wed, Aug 19, 2009 at 9:57 PM, mahesh bab <[email protected] >> >wrote: >> > >> > >> > >> > > In order to communicate with servlets,Jsps and remote objects those r >> > > available in server side components >> > >> > > Regards >> > > D.Mahesh Babu >> > >> > > On Wed, Aug 19, 2009 at 7:52 AM, chandu <[email protected] >> >wrote: >> > >> > >> Hi Friends, >> > >> > >> I am new to flex and presently started working on LCDS ,i have >> > >> small question and need clarification, >> > >> > >> a) what is the difference between Flex application using LiveCycle >> > >> DataServices and flex application without using Live Cycle Data >> > >> Services . >> > >> > >> b) what is the basic purpose for LCDS in Flex Application. >> > >> > >> Kindly clarify my doubt and so please explain when we go for with or >> > >> without LCDS. >> > >> > >> waiting for reply.. >> > >> > >> Regards, >> > >> Chandu.- Hide quoted text - >> > >> > - Show quoted text - >> >> >> >> > > > -- > Thanks, > Renu > -- Thanks, Renu --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Flex India Community" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/flex_india?hl=en -~----------~----~----~----~------~----~------~--~---
