In fact I expected RequestFactory to behave somehow like GWT-RPC
My view ( probably wrong )
Your RequestFactory expose Interfaces to entities ( in my cas a single entity
Person )
The Entity Person is a description of some data ( fields of SQL table for short
)
The Person class is also used for the server side methods ( findAllPersons
etc.. ) my getStr()
The PersonProxy interface is a representaion of Person for the client side
The PersonRequest interface is used to acces Entities
then if I have
public class Person {
public static getStr() { return "whatever" }
}
and
@service(Person.class)
public interface PersonRequest extends RequestContext {
Request<String> getStr();
}
I expect
factory.personRequest().getStr().fire(new Receiver<String>() { ....
to return my string
But I must be wrong !
Thanks to reply such naives questions
Patrick
----- Original Message -----
From: Thomas Broyer
To: google-web-toolkit@googlegroups.com
Sent: Wednesday, January 12, 2011 10:35 PM
Subject: Re: RequestFactory No fire
On Wednesday, January 12, 2011 5:13:35 PM UTC+1, coelho wrote:
I've built a simple sketch to test Request Factory
( as I didn't find any tutorial or example simple enough grab the all thing
)
I've just implemented a getStr() method that retuens a String in an entity
Person
When I "fire" the method I don't get any reply nor error
Here's the code
( no error in eclipse , compiled with manen )
I get the Fire alert when the button is clicked , nothing else ?
Patrick
AppRF factory = null;
public void onModuleLoad() {
factory = GWT.create(AppRF .class);
if (factory == null) {
Window.alert("No factory");
}
factory.initialize(new SimpleEventBus());
PersonProxy person = factory.personRequest().create(PersonProxy.class);
A RequestContext (as returned by your personRequest() method) is a kind of
"builder" for a request. Here, you're creating one such context, creating a
PersonProxy within it, and throwing the RequestContext away, which makes the
PersonProxy unusable (you can mutate it, but nothing else, including adding it
to another proxy or sending it to the server, because it is attached to a
context that you no longer have a reference to).
//factory.personRequest().persist().using(person).fire();
final Button sendButton = new Button( "Send" );
final Button fireButton = new Button( "Fire" );
RootPanel.get("sendButtonContainer").add(sendButton);
RootPanel.get("sendButtonContainer").add(fireButton);
fireButton.addClickHandler (new ClickHandler() {
public void onClick( ClickEvent sender) {
//lh.setText("Handle = " + sqlBox.getHandle());
Window.alert("Fire");
factory.personRequest().getStr().fire(new Receiver<String>() {
I don't know what you expect from this code, but this is just asking for a
String to the server, without any reference to a PersonProxy (or similar
server-side entity).
I don't realy like plugging my own writings in (I highly prefer when others
do it for me ;-) ), but maybe my recent post on RequestFactory will help you
understand the big picture(and you'll later re-read the GWT "official doc" with
a fresh eye): http://tbroyer.posterous.com/gwt-211-requestfactory
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