// ExclusiveHolder.tli
//

#pragma once


#include "ExclusiveHolder.tlh"


template <typename T>
ExclusiveHolder <T>::ExclusiveHolder ()
{
	m_pObject = NULL;
}


template <typename T>
ExclusiveHolder <T>::~ExclusiveHolder ()
{
	LockHolder Lock (this);
	delete m_pObject;
}

template <typename T>
ExclusiveHolder <T>::ExclusiveHolder (T * object)
{
	m_pObject = object;
}


template <typename T>
void ExclusiveHolder <T>::Attach (T * object)
{
	LockHolder Lock (this);

	delete m_pObject;
	m_pObject = object;
}

template <typename T>
T * ExclusiveHolder <T>::Detach ()
{
	LockHolder Lock (this);

	T * old = m_pObject;
	m_pObject = NULL;
	Release ();

	return old;
}


template <typename T>
void ExclusiveHolder <T>::Release ()
{
	LockHolder Lock (this);

	delete m_pObject;
	m_pObject = NULL;
}


template <typename T>
ExclusiveHolder <T> & ExclusiveHolder <T>::operator = (T * object)
{
	Attach (object);
	return *this;
}


template <typename T>
bool ExclusiveHolder <T>::IsEmpty () const
{
	LockHolder Lock (this);

	return (m_pObject == NULL);
}