Re: [jboss-as7-dev] cli commands for your subsystem
On 05/03/2012 09:01 PM, ssilvert(a)redhat.com wrote:
The nice thing about an operation is how it is fully defined with
metadata. For any new operation, CLI GUI can automatically build a
dialog and help text for it on the fly. There is no new UI code to
write. Just add your operation and CLI GUI already knows how to deal
with it.
It would be really great if commands had this same metadata model.
Maybe they do and I'm just not aware of it?
Commands are represented with org.jboss.as.cli.CommandHandler. The
arguments are with CommandArgument. This api allows you to get the
structure and some relationships between the arguments (some require
others, some are optional, etc). But there are no descriptions nor type
info. It's all in the command help. Doing it per argument seems like too
much to me, although it could be done and the main command help could be
generated from these pieces...
Something else comes to mind that would be even more powerful. A
command is essentially a built-in script. What if we allowed the user
to create their own installable scripts? The script is created with all
of its metadata defined. It could then be uploaded to the server and
exposed as a command for anyone to use in CLI.
I had this idea too. That's doable.
Alexey
Stan
On 5/3/2012 9:40 AM, Alexey Loubyansky wrote:
> This is meant for the subsystem owners and developers.
>
> For now (I think) most of the subsystem management stuff is done using
> operations. Which sometimes might work well enough. But in some cases it
> might be complicated, verbose, not so user-friendly, etc.
>
> So, if you have some management tasks (that consist of one or more
> operations) that you'd like to make look easier and simpler for your
> users, let's consider adding commands for those.
> But those have to be, to a certain degree, basic things. There are
> always batches and scripts for more complex tasks.
> The commands will be based on the operations exposed by your subsystem.
> So, there won't magic beyond that.
>
> I might not write every command for your subsystem, but I'll certainly
> help and guide. So, if you have ideas, let me know.
>
> Thanks,
> Alexey
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