QueryCallback::QueryCallbackData Struct Reference

Public Member Functions
	QueryCallbackData (std::function< void(QueryCallback &, QueryResult)> &&callback)
	QueryCallbackData (std::function< void(QueryCallback &, PreparedQueryResult)> &&callback)
	QueryCallbackData (QueryCallbackData &&right) noexcept
QueryCallbackData &	operator= (QueryCallbackData &&right) noexcept
	~QueryCallbackData ()

Private Member Functions
	QueryCallbackData (QueryCallbackData const &)=delete
QueryCallbackData &	operator= (QueryCallbackData const &)=delete

Private Attributes
union {
std::function< void(QueryCallback &, QueryResult)>   _string
std::function< void(QueryCallback &, PreparedQueryResult)>   _prepared
};
bool	_isPrepared

Friends
class	QueryCallback
template<typename T >
void	ConstructActiveMember (T *obj)
template<typename T >
void	DestroyActiveMember (T *obj)
template<typename T >
void	MoveFrom (T *to, T &&from)

Detailed Description

Constructor & Destructor Documentation

QueryCallbackData() [1/4]

QueryCallback::QueryCallbackData::QueryCallbackData ( std::function< void(QueryCallback &, QueryResult)> &&  callback )

inline

: _string(std::move(callback)), _isPrepared(false) { }

QueryCallbackData() [2/4]

QueryCallback::QueryCallbackData::QueryCallbackData ( std::function< void(QueryCallback &, PreparedQueryResult)> &&  callback )

inline

: _prepared(std::move(callback)), _isPrepared(true) { }

QueryCallbackData() [3/4]

QueryCallback::QueryCallbackData::QueryCallbackData ( QueryCallbackData &&  right )

inlinenoexcept

    {
        _isPrepared = right._isPrepared;
        ConstructActiveMember(this);
        MoveFrom(this, std::move(right));
    }

References _isPrepared, ConstructActiveMember, and MoveFrom.

~QueryCallbackData()

QueryCallback::QueryCallbackData::~QueryCallbackData ( )

inline

{ DestroyActiveMember(this); }

References DestroyActiveMember.

QueryCallbackData() [4/4]

QueryCallback::QueryCallbackData::QueryCallbackData ( QueryCallbackData const &  )

privatedelete

Member Function Documentation

operator=() [1/2]

QueryCallbackData & QueryCallback::QueryCallbackData::operator= ( QueryCallbackData &&  right )

inlinenoexcept

    {
        if (this != &right)
        {
            if (_isPrepared != right._isPrepared)
            {
                DestroyActiveMember(this);
                _isPrepared = right._isPrepared;
                ConstructActiveMember(this);
            }
 
            MoveFrom(this, std::move(right));
        }
 
        return *this;
    }

References _isPrepared, ConstructActiveMember, DestroyActiveMember, and MoveFrom.

operator=() [2/2]

QueryCallbackData & QueryCallback::QueryCallbackData::operator= ( QueryCallbackData const &  )

privatedelete

Friends And Related Function Documentation

ConstructActiveMember

template<typename T >

void ConstructActiveMember ( T *  obj )

friend

{
    if (!obj->_isPrepared)
        Construct(obj->_string);
    else
        Construct(obj->_prepared);
}

Referenced by operator=(), and QueryCallbackData().

DestroyActiveMember

template<typename T >

void DestroyActiveMember ( T *  obj )

friend

{
    if (!obj->_isPrepared)
        Destroy(obj->_string);
    else
        Destroy(obj->_prepared);
}

Referenced by operator=(), and ~QueryCallbackData().

MoveFrom

template<typename T >

void MoveFrom ( T *  to, T &&  from  )

friend

{
    ASSERT(to->_isPrepared == from._isPrepared);
 
    if (!to->_isPrepared)
        to->_string = std::move(from._string);
    else
        to->_prepared = std::move(from._prepared);
}

Referenced by operator=(), and QueryCallbackData().

QueryCallback

friend class QueryCallback

friend

Member Data Documentation

union { ... } QueryCallback::QueryCallbackData::@3

_isPrepared

bool QueryCallback::QueryCallbackData::_isPrepared

private

Referenced by operator=(), and QueryCallbackData().

_prepared

std::function<void(QueryCallback&, PreparedQueryResult)> QueryCallback::QueryCallbackData::_prepared

Referenced by QueryCallback::InvokeIfReady().

_string

std::function<void(QueryCallback&, QueryResult)> QueryCallback::QueryCallbackData::_string

Referenced by QueryCallback::InvokeIfReady().