/usr/include/openturns/PersistentObjectFactory.hxx is in libopenturns-dev 1.9-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/**
* @brief Class PersistentObjectFactory reloads a PersistentObject from a storage manager
*
* Copyright 2005-2017 Airbus-EDF-IMACS-Phimeca
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef OPENTURNS_PERSISTENTOBJECTFACTORY_HXX
#define OPENTURNS_PERSISTENTOBJECTFACTORY_HXX
#include "openturns/PersistentObject.hxx"
#include "openturns/StorageManager.hxx"
#include "openturns/Exception.hxx"
#include "openturns/Catalog.hxx"
BEGIN_NAMESPACE_OPENTURNS
/**
* @class PersistentObjectFactory
*
* @brief Reloads a PersistentObject from a storage manager
* @see PersistentObject
* @see StorageManager
*/
class OT_API PersistentObjectFactory
{
public:
/** @copydoc PersistentObject::clone() const */
virtual PersistentObjectFactory * clone() const = 0;
/** Destructor */
virtual ~PersistentObjectFactory() {};
/** Method build() creates a new PersistentObject from the storage manager
* @param mgr The storage manager that points to the object to be reloaded
* @return A pointer to a newly allocated object
* @internal
*/
virtual PersistentObject * build(StorageManager & mgr) const = 0;
/** Method assign() fills a PersistentObject with another one (must have same type)
*
* This method performs an assignment between the two objects after having casted them to the same type
* @param po The persistent object to be refilled (may be empty, ie default constructed)
* @param other The persistent object of the same type as \em po that should be copied to \em po
* @internal
*/
virtual void assign(PersistentObject & po, const PersistentObject & other) const = 0;
/** This method register the factory into the Catalog
* @see Catalog
* @internal
*/
void registerMe(const String & className) const
{
Catalog::Add(className, this);
}
/** Accessor to PersistentObject's shadowed id */
void setShadowedId(PersistentObject & obj, Id id) const
{
obj.setShadowedId(id);
}
Id getShadowedId(PersistentObject & obj) const
{
return obj.getShadowedId();
}
protected:
private:
}; /* class PersistentObjectFactory */
/**
* @class Factory
* @brief Ease the creation of factories for any PersistentObject based class
* @tparam PERSISTENT The class which the %Factory is bounded to
*/
template <class PERSISTENT>
class Factory
: PersistentObjectFactory
{
public:
/** Constructor
*
* @internal See the CLASSNAME_INIT macro.
*/
Factory()
{
registerMe(PERSISTENT::GetClassName());
}
/** Virtual constructor */
virtual Factory * clone() const
{
return new Factory(*this);
}
/** Method build() creates a new PersistentObject from the storage manager */
virtual PersistentObject * build(StorageManager & mgr) const
{
Advocate adv ( mgr.readObject() );
PERSISTENT * p_rebuildObject = new PERSISTENT();
assert(p_rebuildObject && "PersistentObject not allocated");
//try {
p_rebuildObject->load(adv);
//} catch (Exception & ex) {
// Nothing to do
// The rebuild object remains the default one
//}
return p_rebuildObject;
}
/** Method assign() fills a PersistentObject with another one (must have same type) */
virtual void assign(PersistentObject & po, const PersistentObject & other) const
{
PERSISTENT & ref_po = static_cast<PERSISTENT &>(po);
const PERSISTENT & ref_other = static_cast<const PERSISTENT &>(other);
ref_po = ref_other;
}
}; /* end class Factory */
END_NAMESPACE_OPENTURNS
#endif /* OPENTURNS_PERSISTENTOBJECTFACTORY_HXX */
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