arsousa wrote:
>
> I just want to know the best way to do that. I know that no module is
> allowed access to other modules, so module have to publish "something"
> in sandbox, but then what should sandbox do?
>
> sandbox X -> Core -> Sandbox Y
> or
> sandbox X -> sandbox Y (public)
>
>
The Sandboxes do not know of each other, they only know the Core, that is
why they cannot communicate with each other. But you as a developer do not
even need to deal with what they do internally, all you need to know is that
you can reach any other module by publishing a message.
The pubsub (publish-subscribe) model is, of course, geared towards
recurring, unpredictable events. If you need to address a specific module
and query a singular result from it (this is how I understand you), you're
right that this is not well supported yet. Basically, you would send a
message and pass a callback as part of the data, which is executed once the
target module is done computing the requested value.
Something like:
sandbox.publish("targetModuleName.computeMyResult",{ params: [1,2,3],
callback: function(result){
doSomethingWithThe(result);
}});
and in the target module:
sandbox.subscribe("targetModuleName.computeMyResult",function(data){
var result = computeSomethingWithThe(data.params);
data.callback( result );
});
"targetModuleName.computeMyResult" is simply a string, a message name, and
could be anything.
Does this make sense to you?
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