137 lines
2.9 KiB
C
137 lines
2.9 KiB
C
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/*
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----
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This file is part of SECONDO.
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Copyright (C) 2004, University in Hagen, Department of Computer Science,
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Database Systems for New Applications.
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SECONDO is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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SECONDO is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with SECONDO; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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----
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*/
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#ifndef _FVector_h_
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#define _FVector_h_
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#include "NestedList.h"
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#include "ListUtils.h"
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#include "Symbols.h"
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#include "Attribute.h"
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#include "StandardTypes.h"
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#include "Tools/Flob/DbArray.h"
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#include "Tools/Flob/Flob.h"
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#include "GenericTC.h"
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using namespace std;
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class FVector : public Attribute{
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public:
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// constructors
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FVector();
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FVector(double dummy );
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// copy constructor
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FVector (const FVector &c);
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// assignment operator
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FVector &operator =( const FVector &src );
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// desctructor
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~ FVector ();
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// auxiliary functions
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static const string BasicType(){ return "fvector" ; }
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static const bool checkType(const ListExpr list) {
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return listutils::isSymbol(list , BasicType ());
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}
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void append(CcReal *i);
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void append(double i);
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int getDim() const;
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double getElem(int index) const;
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// NumOfFLOBs
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// this class has one FLOB in form of a DbArray
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inline virtual int NumOfFLOBs() const {
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return 1;
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}
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// return the flob if index is correct
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inline virtual Flob* GetFLOB( const int i ) {
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assert (i ==0);
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return &content;
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}
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// compare
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int Compare( const Attribute *arg ) const;
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// there is no meaningful Adjacent implementation
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bool Adjacent(const Attribute *arg ) const;
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// standard implementation of Sizeof
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size_t Sizeof() const;
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// hash function
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size_t HashValue() const;
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//copyfrom
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void CopyFrom( const Attribute *arg );
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//clone
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Attribute* Clone() const;
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// Additionall functions
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// static ListExpr Property ();
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static ListExpr Property (){
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return gentc::GenProperty ( " -> DATA " , // signature
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BasicType () ,
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// type description
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" ( real real ...) " , // list rep
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" (1.0 2.0 3.0) " ); // example list
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}
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// Type check function
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// static bool CheckKind( ListExpr type , ListExpr & errorInfo );
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static bool CheckKind( ListExpr type , ListExpr & errorInfo ){
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return checkType( type );
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}
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// replacement for the IN function
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bool ReadFrom( ListExpr LE , const ListExpr typeInfo );
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// replacement for the out function
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ListExpr ToListExpr(ListExpr typeInfo ) const;
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private :
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DbArray <double> content ;
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};
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#endif
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