/*
----
This file is part of SECONDO.

Copyright (C) 2004-2009, University in Hagen, Faculty of Mathematics
and Computer Science, Database Systems for New Applications.

SECONDO is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

SECONDO is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with SECONDO; if not, write to the Free Software
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----

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[10] Header file to integration the ~CompiledExpression Algebra~-functionality in the ~Secondo~-kernel

2016/2017 H.Brieschke created the new CompiledExpression Algebra


[TOC]


1 Overview 

In this header file the necessary basic settings  are made for the ~Compiled Expressions Algebra~.
Furthermore, the non-standard functions of ~Secondo~ of the ~Compiled Expressions Algebra~ are declared.


2 Defines, includes, and constants

*/


#ifndef _COMPILED_EXPRESSIONS_LINK_CE_ALGEBRA_H_
#define _COMPILED_EXPRESSIONS_LINK_CE_ALGEBRA_H_

/*
The two following entries are activated or deactivated by the make process, whereby the precompiler
can generate the corresponding code with or without the functionality of the ~Compiled Expressions Algebra~
or for static or dynamic integration of the code.

*/
#define _COMPILED_EXPRESSIONS_ALGEBRA_AKTIV_
#define _COMPILED_EXPRESSIONS_ALGEBRA_STATIC_


#ifdef _COMPILED_EXPRESSIONS_ALGEBRA_AKTIV_

#define _COMPILED_EXPRESSIONS_ALGEBRA_NAME_ "CompiledExpressionsAlgebra"

/*
3 Forward declarations

*/
namespace CompiledExpressions {
  class CompiledExpressionsAlgebra;
  class CEQuery;
  class CEQueryProcessor;
  //class CECompiler;
}

/*
4 Type definitions

*/
typedef void (*FuncCECGSetCanInitImplCodeStore_t)();
typedef CompiledExpressions::CEQuery*
      (*FuncCEQYGetNewInstance_t)(bool);
typedef CompiledExpressions::CEQueryProcessor*
      (*FuncCEQPGetNewInstance_t)(QueryProcessor*);


/*
5 External call functions

Definition of the external call functions.

*/

#ifdef __cplusplus
extern "C"{
#endif
/*
The external call function is called when the ~Second~ system starts so far that
the runtime configuration of the ~Compiled Expressions Code Store~ can be created.

*/
  extern  void FuncCECGSetCanInitImplCodeStore();
  
/*
The external call function generate a new ~CEQuery~-object and
returned a pointer of them.

*/
  extern  CompiledExpressions::CEQuery*
        FuncCEQYGetNewInstance(bool);
  
/*
The external call function generate a new ~CEQueryProcessor~-object and
returned a pointer of them.

*/
  extern  CompiledExpressions::CEQueryProcessor*
        FuncCEQPGetNewInstance(QueryProcessor*);

#ifdef __cplusplus
}
#endif


#endif //_COMPILED_EXPRESSIONS_ALGEBRA_AKTIV_
#endif //_COMPILED_EXPRESSIONS_LINK_CE_ALGEBRA_H_