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Serializable.h
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Serializable.h
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/*
* -*- coding: utf-8 -*-
* vim: set fileencoding=utf-8
*
* Copyright (c) 2017, Shogun-Toolbox e.V. <shogun-team@shogun-toolbox.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef SHOGUN_SERIALIZABLE_H__
#define SHOGUN_SERIALIZABLE_H__
#include <shogun/base/SGObject.h>
namespace shogun
{
#ifndef DOXYGEN_SHOULD_SKIP_THIS
template<typename T>
struct extract_value_type
{
typedef T value_type;
};
template<template<typename, typename ...> class X, typename T, typename ...Args>
struct extract_value_type<X<T, Args...>>
{
typedef T value_type;
};
#endif
/** @brief A trait that makes a none SGObject SG-serializable
* This only works with classes derived of SGReferencedData (SGVector, SGMatrix etc)
* and fundamental types (std::is_arithmetic)
*/
template<class T> class CSerializable: public CSGObject
{
public:
/** Default constructor. Do not use. */
CSerializable() : CSGObject()
{
init();
}
/** Constructor.
* @param value Value to serialize as CSGObject.
* @param value_name Name under which value is registered.
*/
CSerializable(T value, const char* value_name=""): CSGObject()
{
init();
m_value = value;
//FIXME: add support for std::string serialization
}
/**
* Get stored value
*
* @return stored value
*/
virtual T get_value() const { return m_value; }
/** @return name of the CSGObject, without C prefix */
virtual const char* get_name() const { return "Serializable"; }
private:
void init()
{
set_generic<typename extract_value_type<T>::value_type>();
m_value = 0;
SG_ADD(&m_value, "value", "Serialized value", MS_NOT_AVAILABLE);
}
protected:
/** Serialized value. */
T m_value;
};
// FIXME: once the class factory is refactored this should be dropped and
// CSerializable should be use directly
template<class T> class CVectorSerializable: public CSerializable<SGVector<T>>
{
public:
CVectorSerializable() : CSerializable<SGVector<T>>() {}
CVectorSerializable(SGVector<T> value, const char* value_name=""): CSerializable<SGVector<T>>(value, value_name) {}
virtual ~CVectorSerializable() {}
/** @return name of the CSGObject, without C prefix */
virtual const char* get_name() const { return "VectorSerializable"; }
};
template<class T> class CMatrixSerializable: public CSerializable<SGMatrix<T>>
{
public:
CMatrixSerializable() : CSerializable<SGMatrix<T>>() {}
CMatrixSerializable(SGMatrix<T> value, const char* value_name=""): CSerializable<SGMatrix<T>>(value, value_name) {}
virtual ~CMatrixSerializable() {}
/** @return name of the CSGObject, without C prefix */
virtual const char* get_name() const { return "MatrixSerializable"; }
};
};
#endif // SHOGUN_SERIALIZABLE_H_