GraphLoader.h

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// $Id: GraphLoader.h 244 2006-07-07 09:11:51Z schultes $

#ifndef VGS_GraphLoader_H
#define VGS_GraphLoader_H

#include "GraphTypes.h"
#include "GraphData.h"

namespace VGServer {

class GraphLoader : private GraphData
{
private:
    // *** Vertex Attribute Loading Sequence

    vertexid_t          vertex_minnum;

    unsigned int        vertex_aidx;

    unsigned int        vertex_aidxnext;

    unsigned int        vertex_lastid;

    void                finishVertexAttrSequence();
    
    

    vertexid_t          edge_minsrc;

    vertexid_t          edge_mintgt;

    unsigned int        edge_eidx;

    unsigned int        edge_aidx;

    unsigned int        edge_aidxnext;

    unsigned int        edge_lastid;

    void                finishEdgeAttrSequence();

public:
    explicit    GraphLoader(const class GraphProperties &gp);

    class GraphData& finish();

    void        terminate();

    void        reserve(unsigned int vertexnum, unsigned int edgenum,
                        unsigned int vertexattrsize, unsigned int edgeattrsize);

    void        addVertex(vertexid_t vid);

    void        setVertexAttr(vertexid_t vid, unsigned int attrid, const class AnyType &value);

    void        addEdge(vertexid_t src, vertexid_t tgt);

    void        setEdgeAttr(vertexid_t src, vertexid_t tgt,
                            unsigned int attrid, const class AnyType &value);
};

class OrderException : std::exception
{
};

class DataLoadedException : std::exception
{
};

} // namespace VGServer

#endif // VGS_GraphLoader_H

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