> PPIO are needed if you want a well rounded wps client, but I don't
> see how you need them in the process api?
>
>
I don't.
> And even in case of the WPS client, there is nothing to reverse engineer
> that I know of, they could be used pretty much as is.
> Can you clarify?
>
>
They are in the geoserver codebase; not the geotools codebase (and thus not
available to help implement wps client).
> Ugh, but it would break the api pretty solid with quite a bit of processes
> out there already using it.
>
>
I would not break the API, right now AnnotationDrivenProcessFactory has the
responsibly of assigning values
to arguments when calling a method. I figured it would be easier to give it one
callback object that we can extend
to capture context from the execution environment; rather than have an ever
expanding series of annotations
to keep track of. I can think of other useful examples; access to the thread
pool or temporary storage … but perhaps
this is too complicated for the simple annotation case being used by
AnnotationDrivenProcessFactory.
> How about we roll two new annotations in GeoServer like this:
>
> execute(... @ExecutionMode boolean synch, @OutputMime String outputMime)
>
> Then GeoServer subclasses the annotation driven factory and also injects
> those two if they are found?
>
>
I am not as keen on using fine grain annotations as you; what we are in effect
doing is "binding" arguments to a limited
range of control objects in order to pass down information. After a certain
point it becomes easier to make a full process object
if you need more control.
> Makes no sense, streaming processes never support progress listener as they
> return right away and build the output as the feature
> collection/raster is traversed.
>
>
The Process execute method supports long running processes:
Map<String,Object> execute(Map<String,Object> input, ProgressListener monitor)
> Where is the WPS 2.0 spec? I don't see it around.
>
>
Checking … does not appear to be out yet :( Last discussion I paid attention to
was replacing "Status" and "Store" options with an explicit "async".
Jody
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