81 lines
1.6 KiB
C++
81 lines
1.6 KiB
C++
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/*
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----
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This file is part of SECONDO.
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Copyright (C) 2016,
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Faculty of Mathematics and 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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----
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*/
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#ifndef POINTERWRAPPER_H
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#define POINTERWRAPPER_H
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template<class T>
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class PointerWrap{
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public:
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PointerWrap(): pointer(0){}
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PointerWrap(T* t):pointer(t){
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if(t){
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t->IncReference();
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}
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}
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PointerWrap(const PointerWrap& tw): pointer(tw.pointer){
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if(pointer){
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pointer->IncReference();
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}
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}
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PointerWrap<T>& operator=(const PointerWrap<T>& rhs){
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if(pointer){
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pointer->DeleteIfAllowed();
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}
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this->pointer=rhs.pointer;
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if(pointer){
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pointer->IncReference();
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}
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return *this;
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}
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~PointerWrap(){
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if(pointer){
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pointer->DeleteIfAllowed();
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}
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}
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T* getPointer() const{
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return pointer;
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}
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T* operator()() const{
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return pointer;
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}
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private:
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T* pointer;
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};
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#endif
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