Our issue is a bit different. We used to process an aggregated feed, so
we have smart logic that can already process a variety of feeds
intelligently with our handler. Running 2 instances of the server would
work but would not perform well enough as we do not have a multi-process
caching strategy for example.
We were hoping that HAPI had some facility to do something like:
Application handler = new HL7ListenerApp(Con);
LowerLayerProtocol llp = LowerLayerProtocol.makeLLP(); // The
transport protocol
PipeParser parser = new PipeParser(new
CanonicalModelClassFactory("2.6")); // The message parser
parser.setValidationContext(new NoValidation());
HL7Listener = new SimpleServer(PORT1, llp, parser);
HL7Listener.registerApplication("*", "*", handler);
HL7Listener.start();
HL7Listener = new SimpleServer(PORT2, llp, parser);
HL7Listener.registerApplication("*", "*", handler);
HL7Listener.start();
This just looks nasty and dangerous :) Our HL7ListenerApp is threadsafe,
but we couldn't see documentation that could either support such a setup
or not. Ultimately, it would be interesting if this were supported in
HAPI. The better way may be:
HL7Listener = new SimpleServer(PORT1, llp, parser);
HL7Listener.addPort(PORT2);
HL7Listener.registerApplication("*", "*", handler);
HL7Listener.start();
I have seen a lot of setups where Mirth would be used as a front end
purely to do message aggregation. Wondering how complex it would be to
actually do at the level of the framework itself so an app could
aggregate multiple feeds in a threadsafe way to a single handler.
Makes sense?
Thank you,
------------------------------------------------------------------------
*Laurent Hasson*
Co-Founder, 360Fresh.com <https://360Fresh.com>
Cellphone: 646-283-2186
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On 12/17/2012 15:58, Ian Vowles wrote:
We have written several programs which implement simple server on
different ports and run them separately. This enables us to log each
feed and stop/start them individually when required. Whilst it can
mean you end up with quite a few processes running, it has proved an
effective technique.
Ian
>>> Brijesh Singh <contact.brije...@gmail.com> 18/12/12 4:14 >>>
Hi - As per HAPI documentation, messages can be processed through HAPI
using *SimpleServer *on a port. We have a requirement where data
coming from different feeds to our application on different ports.
Does HAPI provide API to handle incoming messages on different ports?
All these feeds are inbound to our interface. For example, we would
like to listen to ADT feed on port 8080 and ORU feed on 8081?
Is it possible to handle using HAPI? or Please suggest any alternate
strategy we can use to handle multiple ports for different inbound feeds?
*SimpleServer HL7Listener = new SimpleServer(PORT, llp, parser);**
**HL7Listener.registerApplication("*", "*", handler);**
**HL7Listener.start();**
*
Cheers,
Brijesh
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