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/*
* ValueOperationAbstractionImpl.hpp
*
* Created on: 11. 7. 2017
* Author: Jan Travnicek
*/
#ifndef _VALUE_OPERATION_ABSTRACTION_IMPL_HPP_
#define _VALUE_OPERATION_ABSTRACTION_IMPL_HPP_
#include <alib/memory>
#include <abstraction/ValueInterface.hpp>
#include <common/AbstractionHelpers.hpp>
namespace abstraction {
template < class ReturnType >
class ValueOperationAbstractionImpl : virtual public ValueInterface < ReturnType > {
mutable std::optional < ReturnType > m_data;
protected:
void setData ( ReturnType && data ) {
m_data = std::move ( data );
}
ReturnType && getValue ( ) const override {
return std::move ( m_data.value ( ) );
}
public:
template < typename ... ParamTypes, typename Callable >
inline void run_helper ( Callable callback, const ext::array < std::pair < std::shared_ptr < OperationAbstraction >, bool >, sizeof ... ( ParamTypes ) > & inputs ) {
if ( ! evaluated ( ) )
setData ( abstraction::apply < ParamTypes ... > ( callback, inputs ) );
}
bool evaluated ( ) const override {
return ( bool ) m_data;
}
};
template < class ReturnType >
class ValueOperationAbstractionImpl < const ReturnType > : virtual public ValueInterface < ReturnType > {
mutable std::optional < ReturnType > m_data;
protected:
void setData ( ReturnType && data ) {
m_data = std::move ( data );
}
ReturnType && getValue ( ) const override {
return std::move ( m_data.value ( ) );
}
public:
template < typename ... ParamTypes, typename Callable >
inline void run_helper ( Callable callback, const ext::array < std::pair < std::shared_ptr < OperationAbstraction >, bool >, sizeof ... ( ParamTypes ) > & inputs ) {
if ( ! evaluated ( ) )
setData ( abstraction::apply < ParamTypes ... > ( callback, inputs ) );
}
bool evaluated ( ) const override {
return ( bool ) m_data;
}
};
template < class ReturnType >
class ValueOperationAbstractionImpl < ReturnType & > : virtual public ValueInterface < ReturnType > {
mutable std::optional < std::reference_wrapper < ReturnType > > m_data;
protected:
void setData ( ReturnType & data ) {
m_data = std::reference_wrapper < ReturnType > ( data );
}
ReturnType && getValue ( ) const override {
return std::move ( m_data->get ( ) );
}
public:
template < typename ... ParamTypes, typename Callable >
inline void run_helper ( Callable callback, const ext::array < std::pair < std::shared_ptr < OperationAbstraction >, bool >, sizeof ... ( ParamTypes ) > & inputs ) {
if ( ! evaluated ( ) )
setData ( abstraction::apply < ParamTypes ... > ( callback, inputs ) );
}
bool evaluated ( ) const override {
return ( bool ) m_data;
}
};
template < class ReturnType >
class ValueOperationAbstractionImpl < const ReturnType & > : virtual public ValueInterface < ReturnType > {
mutable std::optional < std::reference_wrapper < ReturnType > > m_data;
protected:
void setData ( const ReturnType & data ) {
m_data = std::reference_wrapper < ReturnType > ( const_cast < ReturnType & > ( data ) );
}
ReturnType && getValue ( ) const override {
return std::move ( m_data->get ( ) );
}
public:
template < typename ... ParamTypes, typename Callable >
inline void run_helper ( Callable callback, const ext::array < std::pair < std::shared_ptr < OperationAbstraction >, bool >, sizeof ... ( ParamTypes ) > & inputs ) {
if ( ! evaluated ( ) )
setData ( abstraction::apply < ParamTypes ... > ( callback, inputs ) );
}
bool evaluated ( ) const override {
return ( bool ) m_data;
}
};
template < class ReturnType >
class ValueOperationAbstractionImpl < ReturnType && > : virtual public ValueInterface < ReturnType > {
mutable std::optional < std::reference_wrapper < ReturnType > > m_data;
protected:
void setData ( ReturnType && data ) {
m_data = std::reference_wrapper < ReturnType > ( data );
}
ReturnType && getValue ( ) const override {
return std::move ( m_data->get ( ) );
}
public:
template < typename ... ParamTypes, typename Callable >
inline void run_helper ( Callable callback, const ext::array < std::pair < std::shared_ptr < OperationAbstraction >, bool >, sizeof ... ( ParamTypes ) > & inputs ) {
if ( ! evaluated ( ) )
setData ( abstraction::apply < ParamTypes ... > ( callback, inputs ) );
}
bool evaluated ( ) const override {
return ( bool ) m_data;
}
};
template < class ReturnType >
class ValueOperationAbstractionImpl < const ReturnType && > : virtual public ValueInterface < ReturnType > {
mutable std::optional < std::reference_wrapper < ReturnType > > m_data;
protected:
void setData ( const ReturnType && data ) {
m_data = std::reference_wrapper < ReturnType > ( const_cast < ReturnType & > ( data ) );
}
ReturnType && getValue ( ) const override {
return std::move ( m_data->get ( ) );
}
public:
template < typename ... ParamTypes, typename Callable >
inline void run_helper ( Callable callback, const ext::array < std::pair < std::shared_ptr < OperationAbstraction >, bool >, sizeof ... ( ParamTypes ) > & inputs ) {
if ( ! evaluated ( ) )
setData ( abstraction::apply < ParamTypes ... > ( callback, inputs ) );
}
bool evaluated ( ) const override {
return ( bool ) m_data;
}
};
} /* namespace abstraction */
#endif /* _VALUE_OPERATION_ABSTRACTION_IMPL_HPP_ */