Hi,
I have been at WWDC and learned about the Swift server side stuff. In
general I feel that this is a very good approach to write server
services in a very modern language which can be developed and natively
deployed on major server platforms, including Linux-x86, MacOS, LinuxARM
(Solaris and Windows properly soon).
In terms of the lower level WebObjects stuff which I know a little bit,
JavaFoundation replacement will be Swift with its Foundation libraries.
JavaEOAccess, JavaEOControl, JavaXML and JavaWebObjects must entirely
redone in Swift, I just tag this job at least 5+ man years engineering
time for the basic WO, not talking about our apps, a generic SQL
adapter, Wonder and countless Java libraries being used in many projects.
I looked a little bit into the low-level Kitura Swift web server
library, at present this is very basic and does not come closed to the
required feature set of WebObjects. This means Kitura is not of any help.
We will keep our WO projects in Java as this works great, re-doing it in
Swift is unaffordable for us and does not bring any benefits for our
clients. We will also to develop new WO based server apps.
For our company server apps (non WO feature set) I consider Swift as the
way to go, because we can continue to use our existing native C code and
C libraries which is a very good transition, pretty much what Apple is
doing in preserving their low level libraries which are basically C and
Objective-C code based.
regards
Helmut
On 16/06/16 21:12, Ricardo Parada wrote:
Hi -
I’ve been following Swift’s evolution in the swift-evolution mailing
list. As it exists today on the server is still lacking some key
features needed to implement key-value-coding.
There is a MIrror class that allows you to see the property names of a
class (or even a struct) and get the value of each property. But it
only works for properties. It does not work for methods in your
objects. In addition, it is read-only, i.e. you can get the values
but you cannot set properties.
Hopefully by Swift 4 or 5 those features will arrive. But they are
not there in Swift 3.
On Apple platforms they are able to use CoreData because they are
leveraging Objective-C run-time. However, the Objective-C run-time is
not available on the server.
Ricardo Parada
On Jun 15, 2016, at 3:50 PM, Yuri Kondratov
<[email protected] <mailto:[email protected]>> wrote:
I'm just hoping maybe apple will hint at a server side framework
written in swift they will be releasing to the public :)
On Jun 15, 2016, at 1:06 PM, Flavio Donadio <[email protected]
<mailto:[email protected]>> wrote:
Yuri,
I can’t say much right now, as the video is not available. And, even
after I watch the video, I may still be unable to add anything to
this conversation, as my knowledge lack a lot. :D
From what I understand, one could write server-side applications in
any language. For web apps, it’s necessary to integrate said
language with an HTTP server — through CGI, Apache module or
whatever. Apache is pretty much standard. I tend to think
“mod_swift.so” would be the best solution now...
Still, for something like WebObjects to be “ported” over to Swift,
there’s a lot to be done. The Enterprise Objects Framework is what
makes it so nice and easy to write WO apps and it is, by far, the
larger part of the code base. And then there’s wotaskd, the database
connectors…
I am sure I am missing something, but I don’t see where a
programming language would help us. Even if it is incredibly better
than Java, which is a whole different conversation, with very
different opinions, I am sure. ;)
Still, hope springs eternal.
Cheers,
Flavio
On 15/06/2016, at 03:04, Yuri Kondratov <[email protected]
<mailto:[email protected]>> wrote:
For those that have not noticed this:
https://developer.apple.com/videos/play/wwdc2016/415/
Going Server-side with Swift Open Source
While the Swift language makes it easy to write software that is
incredibly fast and safe by design, Swift being open source means
you can use it on an even broader range of platforms, from mobile
devices to the desktop and in the cloud. Come for an overview of
available projects at Swift.org <http://swift.org/> and examples of
the community in action.
WWDC 2016 - Session 415
<Screen Shot 2016-06-15 at 1.58.00 AM.png>
It was also mentioned in the currently available "What's New in
Swift" at 9:55
https://developer.apple.com/videos/play/wwdc2016/402/
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