[Flora-users] Calling Java from Flora-2

[Rangarajan Krishnamoorthy]

Hi,
Is there a way to call Java code (or C/C++ code) from Flora-2 (on Windows 64 bit)? ErgoAI appears to support this through the \e2j package.

Regards,
Rangarajan

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[Michael Kifer]

On 11/9/18 6:47 AM, Rangarajan Krishnamoorthy wrote:

Hi,
Is there a way to call Java code (or C/C++ code) from Flora-2 (on Windows 64 bit)? ErgoAI appears to support this through the \e2j package.

Regards,
Rangarajan

Flora-2 cannot call Java -- this feature is available only in ErgoAI. (But Java can call Flora-2 and Ergo, of course.)

Both Ergo and Flora-2 can call C/C++.  What you need to do is to create a C-module of XSB and then call its functions using @\prolog.

To write XSB's C-module, one needs to know XSB's C API, which is described in the XSB Manual, vol. 1, Chapter "Foreign Language Interface".

Being a C interface, it is quite low-level, one should add.

--

       --- michael

[Michael Kifer]

I don't believe XSB currently can call Java. The needed code is not public at present, as far as I know (although this might change soon).

But XSB and Flora-2 can **call Java back** ie, call back the Java process that previously invoked XSB or Flora-2.

On 11/9/18 6:17 PM, Marc Hadfield wrote:

You may also want to look at the Java <--> XSB interfaces.  In this way you can have Java calling Flora2 as well as Flora2 calling Java via Flora2-->XSB-->Java.

================

Marc C. Hadfield

ma...@vital.ai

@MarcHadfield

917-991-9685

On Fri, Nov 9, 2018 at 5:43 PM Rangarajan Krishnamoorthy <ra...@mmsindia.com> wrote:

Thanks. I got it.

Regards,

Rangarajan

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