namedobj.h

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#pragma once
 
/*+
________________________________________________________________________
 
 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Bert
 Date:          Sep 1994, Aug 2006, Mar 2015
 RCS:           $Id$
________________________________________________________________________
 
-*/
 
#include "basicmod.h"
#include "notify.h"
#include "bufstring.h"
 
 
mExpClass(Basic) ObjectWithName
{
public:
 
    typedef OD::String          name_type;
 
    virtual                     ~ObjectWithName()                       {}
 
    virtual const name_type&    name() const            = 0;
 
    mDeprecatedObs inline bool  hasName( const char* nm ) const
                                { return name() == nm; }
    mDeprecatedObs inline bool  hasName( const name_type& nm ) const
                                { return name() == nm; }
 
    void                        putNameInPar(IOPar&) const;
};
 
mExpClass(Basic) NamedObject : public ObjectWithName
{
public:
 
                        NamedObject( const char* nm=nullptr )
                            : name_(nm)                 {}
                        NamedObject( const NamedObject& oth )
                            : name_(oth.getName())      {}
    virtual             ~NamedObject()                  {}
    NamedObject&        operator =(const NamedObject&);
    mDeprecatedObs bool operator ==( const NamedObject& oth ) const
                        { return name_ == oth.getName(); }
 
    virtual const name_type& name() const               { return name_; }
    virtual BufferString getName() const                { return name_; }
    virtual void        setName( const char* nm )       { name_ = nm; }
 
    bool                getNameFromPar(const IOPar&);
 
protected:
 
    BufferString        name_;
 
};
 
 
mExpClass(Basic) NamedCallBacker : public CallBacker
                                 , public NamedObject
{
public:
 
                        NamedCallBacker(const char* nm=0);
                        NamedCallBacker(const NamedCallBacker&);
 
    inline bool         operator ==( const NamedCallBacker& oth ) const
                        { return name_ == oth.getName(); }
    inline bool         operator ==( const NamedObject& oth ) const
                        { return name_ == oth.getName(); }
 
    virtual Notifier<NamedCallBacker>&  objectToBeDeleted() const
                        { return mSelf().delnotif_; }
 
protected:
 
    Notifier<NamedCallBacker>   delnotif_;
    mutable Threads::Atomic<bool> delalreadytriggered_;
    void                        sendDelNotif() const;
 
};
 
 
mGlobal(Basic) inline bool operator >( const ObjectWithName& obj1,
                                       const ObjectWithName& obj2 )
{
    return obj1.name() > obj2.name();
}