Amazon SQS (simple Queue system) binding ?

Amazon SQS (simple Queue system) binding ?

[Björn Lundin]

Hi!
I'm looking at interfacing to a set of Java programs
via Amazon's Message Queues <http://aws.amazon.com/sqs/>

I wonder if anyone has written bindings for Ada for it,
before I roll my own.

The choice of SQS was not mine, but a friend's who
wants to explore the scalability of the thing.

It looks fairly simple/straigh forward, but
I thought I'd ask anyway.

--
Björn

Re: Amazon SQS (simple Queue system) binding ?

[David Botton]

> It looks fairly simple/straigh forward, but
> I thought I'd ask anyway.

If it is a Gnoga app, you can easily interface with the Java Script API.

David Botton

Re: Amazon SQS (simple Queue system) binding ?

[Björn Lundin]

On 2015-01-19 23:06, David Botton wrote:
>> It looks fairly simple/straigh forward, but
>> I thought I'd ask anyway.
> 
> If it is a Gnoga app, you can easily interface with the Java Script API.
> 

My initial though was to use AWS.Client as base and do the mapping
myself, but it is not written yet, so making it a Gnoga app is
certainly an option. In the end it will run as a daemon on Debian.

Even though I know that you interface with JQuery and such
I have not poked around enough in Gnoga's source to see
how I would interface with a JavaScript lib.

But I'll look more closely tonight.
However a filename/procedure to start looking at would be a nice pointer.


--
Björn

Re: Amazon SQS (simple Queue system) binding ?

[Björn Lundin]

On 2015-01-20 09:17, Björn Lundin wrote:
> On 2015-01-19 23:06, David Botton wrote:
>>> It looks fairly simple/straigh forward, but
>>> I thought I'd ask anyway.
>>
>> If it is a Gnoga app, you can easily interface with the Java Script API.
>>

Poking around in the source I notice in package body
Gnoga.Gui.Plugin.jQueryUI
that

   procedure Load_jQueryUI

does NOT change Delay_Count.


-----------------

   procedure Load_jQueryUI
     (Window : in out Gnoga.Gui.Window.Window_Type'Class)
   is
      Delay_Count : Natural := 0;
   begin
      Window.Document.Head_Element.jQuery_Execute
        ("append ('<link rel=""stylesheet"" " &
           "href=""//ajax.googleapis.com/ajax/libs/" &
           "jqueryui/1.11.2/themes/smoothness/jquery-ui.css"" />')");
      Window.Document.Head_Element.jQuery_Execute
        ("append ('<script src=""//ajax.googleapis.com/ajax/libs/" &
           "jqueryui/1.11.2/jquery-ui.min.js""></script>')");

      while
        Gnoga.Server.Connection.Execute_Script
          (Window.Connection_ID, "$.ui") = "undefined"
        or Delay_Count > 10
      loop
         delay 0.25;
      end loop;

      if Delay_Count > 10 then
         raise Failed_To_Load_jQueryUI;
      end if;
   end Load_jQueryUI;




-- 
--
Björn

Re: Amazon SQS (simple Queue system) binding ?

[David Botton]

> does NOT change Delay_Count.

Fixed. Thanks

Looking at Gnoga.Gui.Plugin.Ace_Edit should give an idea of how to build a binding. General access to java script is in Gnoga.Server.Connection. Also keep in mind that you can also easily modify the native gtk startup to never display the webkit window a do a completely headless console Gnoga app.

David Botton