Beispiel Agent

Jan Burse, erstellt 20. Okt 2016
/**
* Prolog code for the agent.
*
* Warranty & Liability
* To the extent permitted by applicable law and unless explicitly
* otherwise agreed upon, XLOG Technologies GmbH makes no warranties
* regarding the provided information. XLOG Technologies GmbH assumes
* no liability that any problems might be solved with the information
* provided by XLOG Technologies GmbH.
*
* Rights & License
* All industrial property rights regarding the information - copyright
* and patent rights in particular - are the sole property of XLOG
* Technologies GmbH. If the company was not the originator of some
* excerpts, XLOG Technologies GmbH has at least obtained the right to
* reproduce, change and translate the information.
*
* Reproduction is restricted to the whole unaltered document. Reproduction
* of the information is only allowed for non-commercial uses. Selling,
* giving away or letting of the execution of the library is prohibited.
* The library can be distributed as part of your applications and libraries
* for execution provided this comment remains unchanged.
*
* Trademarks
* Jekejeke is a registered trademark of XLOG Technologies GmbH.
*/
:- use_package(foreign(jekpro/tools/call)).
:- use_package(foreign(jekpro/study/deployment)).
:- foreign(url_encode_utf8/2, 'Stub', urlEncodeUTF8('String')).
% fetch(+Stream,-Compound)
read(S, T),
( T = end_of_file, !, fail
; T = exception(E),
throw(error(
resource_error(service_exception,E),_))
; T = R).
% act(+Firstname,+Name,+AgeFrom,+AgeTo,+SalaryFrom,+SalaryTo,-Compound)
act(F, N, AF, AT, SF, ST, R) :-
atom_concat('http://localhost:8080/deployment/service.jsp?firstname=', F8, A1),
atom_concat(A1, '&name=', A2),
atom_concat(A2, N8, A3),
atom_concat(A3, '&agefrom=', A4),
atom_concat(A4, AF8, A5),
atom_concat(A5, '&ageto=', A6),
atom_concat(A6, AT8, A7),
atom_concat(A7, '&salaryfrom=', A8),
atom_concat(A8, SF8, A9),
atom_concat(A9, '&salaryto=', A10),
atom_concat(A10, ST8, A11),
setup_call_cleanup(open(A11, read, S),
fetch(S, R),
close(S)).

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