externalattrib.h

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#ifndef externalattrib_h
#define externalattrib_h

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        A.H. Bril
 Date:          Nov 2004
 RCS:           $Id$
________________________________________________________________________

-*/

#include "attributeenginemod.h"
#include "factory.h"
#include "datapack.h"
#include "sets.h"
#include "uistring.h"

class BinIDValueSet;
class TrcKeyZSampling;
class LineKey;
class SeisTrcBuf;
class TaskRunner;


namespace Attrib
{

class SelSpec;

mExpClass(AttributeEngine) ExtAttribCalc
{
public:
    virtual                     ~ExtAttribCalc()                        {}
    virtual bool                setTargetSelSpec(const SelSpec&)        = 0;
    virtual DataPack::ID        createAttrib(const TrcKeyZSampling&,
                                             DataPack::ID, TaskRunner*);
    virtual bool                createAttrib(ObjectSet<BinIDValueSet>&,
                                             TaskRunner*);
    virtual bool                createAttrib(const BinIDValueSet&, SeisTrcBuf&,
                                             TaskRunner*);
    virtual DataPack::ID        createAttrib(const TrcKeyZSampling&,
                                             const LineKey&,TaskRunner*);

    virtual bool                isIndexes() const       { return false; }

    uiString                    errmsg_;
};


mDefineFactory1Param( AttributeEngine, ExtAttribCalc, const Attrib::SelSpec&,
                      ExtAttrFact );


} // namespace Attrib

#endif