horizonrelation.h

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#ifndef horizonrelation_h
#define horizonrelation_h

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Raman K Singh
 Date:          Jul 2010
 RCS:           $Id$
________________________________________________________________________

-*/


#include "earthmodelmod.h"
#include "multiid.h"
#include "objectset.h"

class FileMultiString;


namespace EM
{

mExpClass(EarthModel) RelationTree
{
public:

    mExpClass(EarthModel) Node
    {
    public:
                                Node(const MultiID&);

        MultiID                 id_;
        ObjectSet<const Node>   children_;
        BufferString            datestamp_;

        bool                    hasChild(const Node* descendant) const;

        void                    fillPar(IOPar&) const;
        void                    fillChildren(const FileMultiString&,
                                                 const RelationTree&);

        static const char*      sKeyChildIDs();
        static const char*      sKeyLastModified();
    };


                                RelationTree(bool is2d,bool read=true);
                                ~RelationTree();

    const RelationTree::Node*   getNode(const MultiID&) const;
    void                        getParents(int,TypeSet<int>&) const;
    void                        removeNode(const MultiID&,bool write=true);
    void                        addRelation(const MultiID& id1,
                                            const MultiID& id2,bool write=true);
                                // id1 is above id2

    int                         findRelation(const MultiID&,
                                             const MultiID&) const;
                                /* 0 -> no relation
                                   1 -> first horizon is at the top
                                   2 -> second horizon is at the top */
    bool                        getSorted(const TypeSet<MultiID>& unsortedids,
                                          TypeSet<MultiID>& sortedids ) const;

    bool                        read()                  { return read(true); }
    bool                        write() const;

protected:

    ObjectSet<RelationTree::Node>       nodes_;
    bool                        is2d_;

    int                         findNode(const MultiID&) const;

    static const char*          sKeyHorizonRelations();

    bool                        read(bool removeoutdated);

public:
    static bool                 clear(bool is2d,bool dowrite=true);
    static bool                 sortHorizons(bool is2d,
                                        const TypeSet<MultiID>& unsortedids,
                                        TypeSet<MultiID>& sortedids);
    static bool                 getSorted(bool is2d,TypeSet<MultiID>&);
    static bool                 getSorted(bool is2d,BufferStringSet&);
    static bool                 update(bool id2d,
                                        const TypeSet<MultiID>& sortedids);
};

} // namespace EM

#endif