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AlexandriaKernel
AlexandriaKernel
InstOrRefHolder.h
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/*
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* Copyright (C) 2012-2020 Euclid Science Ground Segment
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*
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* This library is free software; you can redistribute it and/or modify it under
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* the terms of the GNU Lesser General Public License as published by the Free
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* Software Foundation; either version 3.0 of the License, or (at your option)
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* any later version.
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*
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* This library is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/*
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* @file InstanceOrReferenceHolder.h
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* @author nikoapos
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*/
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#ifndef _ALEXANDRIAKERNEL_INSTANCEORREFERENCEHOLDER_H
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#define _ALEXANDRIAKERNEL_INSTANCEORREFERENCEHOLDER_H
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#include <memory>
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namespace
Euclid {
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template
<
typename
InterfaceType>
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class
InstOrRefHolder
{
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public
:
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template
<
typename
InstanceType=InterfaceType,
typename
... Args>
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static
std::unique_ptr<InstOrRefHolder<InterfaceType>
>
create
(Args... args);
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static
std::unique_ptr<InstOrRefHolder<InterfaceType>
>
create
(InterfaceType&
ref
);
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virtual
~InstOrRefHolder
() =
default
;
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virtual
InterfaceType&
ref
() = 0;
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};
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}
// end of namespace Euclid
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#include "
AlexandriaKernel/_impl/InstOrRefHolder.icpp
"
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#endif
/* _ALEXANDRIAKERNEL_INSTANCEORREFERENCEHOLDER_H */
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Euclid::InstOrRefHolder::~InstOrRefHolder
virtual ~InstOrRefHolder()=default
Euclid::InstOrRefHolder
Definition:
InstOrRefHolder.h:32
InstOrRefHolder.icpp
std::unique_ptr
STL class.
Euclid::InstOrRefHolder::create
static std::unique_ptr< InstOrRefHolder< InterfaceType > > create(Args...args)
Definition:
InstOrRefHolder.icpp:59
Euclid::InstOrRefHolder::ref
virtual InterfaceType & ref()=0
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