192 lines
5.0 KiB
C++
192 lines
5.0 KiB
C++
/*
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This file is part of SECONDO.
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Copyright (C) 2011, 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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2012, May Simone Jandt
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1 Defines and Includes
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*/
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#ifndef NETDISTANCEGROUP_H
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#define NETDISTANCEGROUP_H
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#include <ostream>
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#include "Attribute.h"
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#include "StandardTypes.h"
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namespace jnetwork{
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/*
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1. class ~NetDistanceGroup~
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Entry value for ~jlistndg~. Consisting of the identifier of the source junction,
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the identifier of the target junction, the identifier of next junction in the
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path from source to target junction, the identifier of the next section in the
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path to next junction and the distance to the target junction.
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Already computed shortest paths and network distances can be reused. But general
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precomputing of the information is avoided. Often used paths and netdistances
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can be recomputed very fast. Network parts not used in distance computation
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doesn't need storage space.
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*/
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class NetDistanceGroup : public Attribute
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{
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/*
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1.1 Public Declarations
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*/
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public:
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/*
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1.1.1 Constructors and Deconstructor
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The default constructor may only be used in the cast function. It can not be
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declared to be private because it is used as DbArrayElement in other classes.
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*/
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NetDistanceGroup();
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explicit NetDistanceGroup(const bool def);
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NetDistanceGroup (const NetDistanceGroup& other );
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NetDistanceGroup(const int source, const int target, const int nextJunct,
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const int nextSect, const double netdist);
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~NetDistanceGroup();
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/*
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1.1.1 Getter and Setter for private Attributes
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*/
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int GetSource() const;
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int GetTarget() const;
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int GetNextJunction() const;
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int GetNextSection() const;
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double GetNetdistance() const;
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void SetSource(const int t);
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void SetTarget(const int t);
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void SetNextJunction(const int t);
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void SetNextSection(const int t);
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void SetNetdistance(const double dist);
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/*
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1.1.1 Overriden Methods of Attribute
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*/
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void CopyFrom ( const Attribute* right );
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StorageType GetStorageType() const;
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size_t HashValue() const;
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NetDistanceGroup* Clone() const;
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bool Adjacent ( const Attribute* attrib ) const;
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/*
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Attention if you use compare functions for ~NetDistanceGroups~.
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A comparison is only senseful for defined ~NetDistanceGroups~ which have the
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same source and target id. In all other cases the result is not really useful.
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*/
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static int Compare(const void* ls, const void* rs);
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int Compare ( const Attribute* rhs ) const;
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int Compare (const NetDistanceGroup& rhs) const;
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size_t Sizeof() const;
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std::ostream& Print ( std::ostream& os ) const;
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static const std::string BasicType();
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static const bool checkType(const ListExpr type);
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/*
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1.1.1 Standard Operators
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*/
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NetDistanceGroup& operator= ( const NetDistanceGroup& other );
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bool operator== ( const NetDistanceGroup& other ) const;
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bool operator!= ( const NetDistanceGroup& other ) const;
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bool operator< ( const NetDistanceGroup& other ) const;
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bool operator<= ( const NetDistanceGroup& other ) const;
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bool operator>= ( const NetDistanceGroup& other ) const;
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bool operator> ( const NetDistanceGroup& other ) const;
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/*
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1.1.1 SecondoIntegration
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*/
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static ListExpr Out(ListExpr typeInfo, Word value);
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static Word In(const ListExpr typeInfo, const ListExpr instance,
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const int errorPos, ListExpr& errorInfo, bool& correct);
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static Word Create(const ListExpr typeInfo);
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static void Delete( const ListExpr typeInfo, Word& w );
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static void Close( const ListExpr typeInfo, Word& w );
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static Word Clone( const ListExpr typeInfo, const Word& w );
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static void* Cast( void* addr );
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static bool KindCheck( ListExpr type, ListExpr& errorInfo );
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static int SizeOf();
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static ListExpr Property();
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/*
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1.1.1 Helpful Operators
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1.1.1.1 ~Example~
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Provides example string for list representation can be used by external
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property definitions for ~NetDistanceGroup~ representation.
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*/
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static std::string Example();
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/*
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1.1 Private declarations
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*/
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private:
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/*
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1.1.1 Attributes of NetDistanceGroup
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*/
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int source; //identifier of start junction
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int target; //identifier of target junction
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int nextJunction; //identifier of next junction on path
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int nextSection; //identifier of next section on path
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double netdistance; //length of shortest path between source and target
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// junction
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};
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} // end of namespace jnetwork
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/*
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1 Overwrite output operator
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*/
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std::ostream& operator<< (std::ostream& os,
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const jnetwork::NetDistanceGroup& ndg);
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#endif // NETDISTANCEGROUP_H
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