Re: How to debug server side code

[Sahdev Kamboj]

You need to be create debug point also.
Port on 8000 by default.
On Aug 24, 2015 9:17 PM, "Magnus"  wrote:

> Please provide some hint...
> I run "Debug As" -> "Web Application (Super Dev Mode)" in eclipse.
> But execution does not stop at my server-side breakpoints...
>
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Re: RequestFactory - update entity

[Thomas Broyer]

The first question that comes to mind is: where does 'object' come from? 
(and why is it frozen)

On Monday, August 24, 2015 at 9:10:30 PM UTC+2, Manuel wrote:
>
> Hi everyone,
>
> Im using the requestFactory and want to update an entity. The problem is, 
> its frozen.
>
> I get an entityProxy passed, were I like to update 1 value. The problem 
> is, when I try to edit it with a new Request, it fails, cause the proxy is 
> frozen.
>
> I found this: 
> http://stackoverflow.com/questions/7479779/gwt-autobean-frozen-when-saving-graph
>
> It says, I got to get a new entityProxy from the server.
>
> This would take 1 request to receive a "fresh" entityProxy and another for 
> the update... I was wondering, if there is a better way to do this? Or 
> whats the proper way to update a entity with just 1 request?
> Is there a way to actually create a new entityProxy on the client that 
> updates an existing entity without loading it from the server?
>
> Thats what I tried:
>PersonRequest request = AppManager.getRequestFactory().
> personRequest();
>PersonProxy proxy = request.create(PersonProxy.class);
>
>
>proxy.setSalary(0);
>proxy.setId(object.getId()); // Copy values of passed 
> object
>proxy.setVersion(object.getVersion());   
>
>request.persist(proxy).fire(new Receiver() 
>
>
> Copy all values ends in hibernate Exception for detached entity passed to 
> persist.
>
> Thanks in advance.
>
> Regards
>

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Re: RequestFactory - update entity

[Manuel]

The following solved my problem:

request = AppManager.getRequestFactory().personRequest(); 
*object = request.edit(object);* //object is the Proxy passed to me
// *request.edit(object);* // instead of this...

Actually edit(object) returns a new "mutable version" of the entityProxy, 
that can be worked with. Changing values and persisting did not cause 
exceptions anymore.

Am Montag, 24. August 2015 21:10:30 UTC+2 schrieb Manuel:
>
> Hi everyone,
>
> Im using the requestFactory and want to update an entity. The problem is, 
> its frozen.
>
> I get an entityProxy passed, were I like to update 1 value. The problem 
> is, when I try to edit it with a new Request, it fails, cause the proxy is 
> frozen.
>
> I found this: 
> http://stackoverflow.com/questions/7479779/gwt-autobean-frozen-when-saving-graph
>
> It says, I got to get a new entityProxy from the server.
>
> This would take 1 request to receive a "fresh" entityProxy and another for 
> the update... I was wondering, if there is a better way to do this? Or 
> whats the proper way to update a entity with just 1 request?
> Is there a way to actually create a new entityProxy on the client that 
> updates an existing entity without loading it from the server?
>
> Thats what I tried:
>PersonRequest request = AppManager.getRequestFactory().
> personRequest();
>PersonProxy proxy = request.create(PersonProxy.class);
>
>
>proxy.setSalary(0);
>proxy.setId(object.getId()); // Copy values of passed 
> object
>proxy.setVersion(object.getVersion());   
>
>request.persist(proxy).fire(new Receiver() 
>
>
> Copy all values ends in hibernate Exception for detached entity passed to 
> persist.
>
> Thanks in advance.
>
> Regards
>

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RequestFactory - update entity

[Manuel]

Hi everyone,

Im using the requestFactory and want to update an entity. The problem is, 
its frozen.

I get an entityProxy passed, were I like to update 1 value. The problem is, 
when I try to edit it with a new Request, it fails, cause the proxy is 
frozen.

I found this: 
http://stackoverflow.com/questions/7479779/gwt-autobean-frozen-when-saving-graph

It says, I got to get a new entityProxy from the server.

This would take 1 request to receive a "fresh" entityProxy and another for 
the update... I was wondering, if there is a better way to do this? Or 
whats the proper way to update a entity with just 1 request?
Is there a way to actually create a new entityProxy on the client that 
updates an existing entity without loading it from the server?

Thats what I tried:
   PersonRequest request = AppManager.getRequestFactory().
personRequest();
   PersonProxy proxy = request.create(PersonProxy.class);

   
   proxy.setSalary(0);
   proxy.setId(object.getId()); // Copy values of passed object
   proxy.setVersion(object.getVersion());   
   
   request.persist(proxy).fire(new Receiver() 


Copy all values ends in hibernate Exception for detached entity passed to 
persist.

Thanks in advance.

Regards

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Re: How to debug server side code

[Magnus]

Please provide some hint...
I run "Debug As" -> "Web Application (Super Dev Mode)" in eclipse.
But execution does not stop at my server-side breakpoints...

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Re: JsInterop question ...

[Ümit Seren]

I haven't found a solution either. 
The final JSInterop version will probably have quite different annotations: 
(https://groups.google.com/forum/#!searchin/google-web-toolkit-contributors/annotations/google-web-toolkit-contributors/Dwdk-aEHs8Y/OvSNe6egUekJ)
There is also a paragraph about overloading methods (espeically regarding 
Elemental): 
https://docs.google.com/document/d/1tir74SB-ZWrs-gQ8w-lOEV3oMY6u6lF2MmNivDEihZ4/edit#heading=h.kcij4viab6dx



On Tuesday, June 30, 2015 at 9:30:17 PM UTC+2, Benjamin Tillman wrote:
>
> Hey everyone, just a quick question regarding JsInterop: how is it 
> proposed to manage javascript functions that can potentially take more than 
> one type of parameter? For example, take the websocket interface 
> :
>
> @JsType(prototype = "WebSocket")
> public interface WebSocket extends EventTarget {
>
>   ... blah blah.
>
>   void send(String data);
>   // void send(Blob data); <-- JsInterop forbids this
>
> }
>
>
> I suppose that the following is possible
>
> @JsType(prototype = "WebSocket")
> public interface WebSocket extends EventTarget {
>
>   void send(Object data);
>
> }
>
>
> but ... this doesn't seem ideal from a Java perspective :)
>
> Regards,
> Ben.
>

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Re: What is planned release date for GWT 2.8 (with lambdas) ?

[Tranquiliser]

I have been using GWT-2.8.0-SNAPSHOT for 5 months. Now it is very stable. 

https://gwt-review.googlesource.com/#/q/status:merged

shows the current progress of GWT 2.8 development.


On Thursday, 18 December 2014 03:21:57 UTC+11, Yuriy Nakonechnyy wrote:
>
> Hi everyone,
>
>   Since I was expecting *lambdas* to appear in *2.7*, now I'm checking 
> for *GWT 2.8* release announcement daily (or sometimes more often) :)
>   *In several days I think I'll start behaving like Cartman (in South 
> Park) waiting for Nintendo Wii release* (btw, you can watch it here 
> ) :)
>
>   So, could anyone be so kind to shed some light on *approximate GWT 2.8* 
> with lambdas *release date*? Will it appear before New Year? Will it 
> appear right before *GWT.create* conference or after?
>   Please, help me :)
>
> Kind regards,
> Yura
>

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Re: GWT & Polymer TODO sample

[Cristiano Costantini]

Hi Christian,
I'm interested on your alternative strategy, I however don't use Gradle,
and I've tried to convert it to a Maven project. It can be found here
https://github.com/cristcost/todo-gwt-polymer

It does not work yet:
if I import it in Eclipse and run,  SuperDevMode complains that
Component.java and TodoListType.java use lambda (even if I do use the
option "-sourceLevel 1.8" on running SuperDevMode)

If I run it with maven and jetty (mvn clean install jetty:run) I get a
weird error on the Browser Javascript Console: "Uncaught TypeError: Cannot
read property '$_nullMethod' of null" (Note I removed the
"src/main/webapp/Todo/Todo.nocache.js"
file in order to run without SuperDevMode)...

Do you or anyone else have any suggestion for me to get  it working?

Thanks,
Cristiano

PS. I'm using a GWT 2.8.0-SNAPSHOT compiled from the master branch this
morning



Il giorno dom 23 ago 2015 alle ore 22:53 Christian Bauer <
christian.ba...@gmail.com> ha scritto:

> I've been taking a break from my main application, and worked on an
> alternative strategy integrating Polymer and GWT 2.8 with JSInterop, you
> can find the result here:
> https://github.com/christianbauer/todo-gwt-polymer
>
> This code is very close to Polymer API and JavaScript, type-safety is
> therefore awful. A more powerful @JsFunction would be needed to scale this
> to more code.
>
> However there is no @JsExport in the code and with a few "minor"
> improvements, Polymer could be a great View language for GWT.
>
> Cheers,
> Christian
>
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Re: JsInterop question ...

[Benjamin Tillman]

Any chance of reply? If it's a bad question I'm happy to hear that as well, 
just so I know I'm thinking about this the wrong way.

Regards,
Ben.

On Wednesday, 1 July 2015 05:30:17 UTC+10, Benjamin Tillman wrote:
>
> Hey everyone, just a quick question regarding JsInterop: how is it 
> proposed to manage javascript functions that can potentially take more than 
> one type of parameter? For example, take the websocket interface 
> :
>
> @JsType(prototype = "WebSocket")
> public interface WebSocket extends EventTarget {
>
>   ... blah blah.
>
>   void send(String data);
>   // void send(Blob data); <-- JsInterop forbids this
>
> }
>
>
> I suppose that the following is possible
>
> @JsType(prototype = "WebSocket")
> public interface WebSocket extends EventTarget {
>
>   void send(Object data);
>
> }
>
>
> but ... this doesn't seem ideal from a Java perspective :)
>
> Regards,
> Ben.
>

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Re: Architecture of adding 'pure html/js' to client side?

[funkforce]

Yes that is my plan (not to use gwt) and the link you provided also points 
to clientbundle as a way to fetch the html/js part. Thanks for taking the 
time to answer my question.

On Sunday, August 23, 2015 at 9:19:04 PM UTC+2, Ignacio Baca Moreno-Torres 
wrote:
>
> Sorry, I mean that if you want it to be independent of GWT, probably the 
> answer is just to not use GWT in this independent part, and I said that 
> because of your comment 'add large chunks of html/js as an independent 
> part'.
>
>
> http://stackoverflow.com/questions/744137/best-way-to-externalize-html-in-gwt-apps
>
> On Friday, August 21, 2015 at 9:38:04 AM UTC+2, funkforce wrote:
>>
>> >But I not sure how this is related to GWT
>> I am pretty sure people mix gwt and html/js programming and I wonder how 
>> they mix thees things together if they don't use ui-binder in a single page 
>> application.
>>
>> Thanks.
>> On Tuesday, August 18, 2015 at 6:38:44 PM UTC+2, Ignacio Baca 
>> Moreno-Torres wrote:
>>>
>>> But I not sure how this is related to GWT, specially if you want it to 
>>> be independent. We added the swagger ui (
>>> https://github.com/swagger-api/swagger-ui 
>>> )
>>>  
>>> in some projects and we just add the dist forlder into the war (webapp 
>>> folder if you are using maven). You can add links to this htmls using 
>>> anchors or setting the browser url manually using 
>>> Window.Location.setLocation.
>>>
>>> On Tue, Aug 18, 2015 at 9:41 AM funkforce  wrote:
>>>
 I am a bit surprised that none have added large chunks of html/js as an 
 independent part of the application and are willing to sharewell 
 well... 


 On Wednesday, August 12, 2015 at 10:34:52 AM UTC+2, funkforce wrote:
>
> We have a GWT application coded in java on the client. There is no ui 
> binder only a jsp page and a class with our onModuleLoad() method and 
> then 
> pure java serving the gui. We want to add bunch of html/javascript to a 
> new 
> part of the application but I don't know how to organize the new 
> html/javascript part. The new part will most likely contain a lot of 
> html/js + js frameworks and talk json to the same server that now serves 
> gwt-rpc. Its a first step to move from gwt-widgets.
>
>
> Can someone please share how to do this? The closest I have found is 
> ClientBundle but I am not sure its the way to.
>
>
> Thanks.
>
>
>
>
> -- 



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