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Sync java and ttcn [message #1730424]

Mon, 25 April 2016 16:36

Alexandre Moine

Messages: 9
Registered: April 2016

Junior Member

Hi

Is it possible to use java and ttcn files in the same time with Titan in Eclipse or in terminal? Actually I'm newbie and I'm trying to import an existing ttcn project into Titan that is composed of these files.

If you have some examples or suggestions feel free to notice me o/

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Re: Sync java and ttcn [message #1730473 is a reply to message #1730424]

Tue, 26 April 2016 07:15

Kristof Szabados

Messages: 60
Registered: July 2015

Member

Hi,

Yes, you can have projects with mixed kinds of source codes (with limited support).

In eclipse the platform supports projects with something called "natures" and "builders".
So that platform itself is just giving us the project and what it contains.
If you add Java nature to it JDT will kick in, and handle all related work.
If you add the TITAN nature to a project, Titan will handle all TTCN-3 and ASN.1 files in that project (and support build via the builder it adds to the project).
And it is possible to have a project with Java and Titan natures (and any other too)

It is also possible to call C/C++ functions from TTCN-3, which in turn can call Java functions.

As these are completely separate systems, manual work will be needed.
For example code completion between TTCN-3 and Java will not work.

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Re: Sync java and ttcn [message #1730501 is a reply to message #1730473]

Tue, 26 April 2016 11:48

Alexandre Moine

Messages: 9
Registered: April 2016

Junior Member

Hi

Thank you Kristof for that clarification. I now understand better how it works.
So if I'm not mistaken I just have to call my java functions with the help of c++ functions from ttcn3 ? Doesn't seem that impressive I will have some work to do I guess.

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Re: Sync java and ttcn [message #1730521 is a reply to message #1730501]

Tue, 26 April 2016 13:31

Kristof Szabados

Messages: 60
Registered: July 2015

Member

Just to help: you will have to create an "external function" on the TTCN-3 side, to which you can provide the implementation yourself

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Re: Sync java and ttcn [message #1730565 is a reply to message #1730521]

Tue, 26 April 2016 16:56

Alexandre Moine

Messages: 9
Registered: April 2016

Junior Member

Sorry I didn't understand your tip, could you be more specific?

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Re: Sync java and ttcn [message #1730733 is a reply to message #1730565]

Thu, 28 April 2016 06:56

Kristof Szabados

Messages: 60
Registered: July 2015

Member

TTCN-3 supports a construct called "external function".
These are functions, that can be used in TTCN-3 as normal functions ... but their behaviour is not declared in TTCN-3, but instead you have to write it in C++ (in Titan).

For an example please check the API Technical reference guide provided with Titan, section 6.2 "Using External C++ Functions in TTCN-3 Test Suites".

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