#ifndef _GATS_DB_EXCEPTION_H_
#define _GATS_DB_EXCEPTION_H_

/**
	@file	GATS_DB_Exception.h
	@brief 	Header for the GATS_DB_Exception class and derivatives.

	@date $Date$
	@version  $Rev$

	@author
		- Lance Deaver

	@copyright
		(©) Copyright 2006 by GATS Inc.
		11864 Canon Blvd., Suite 101, Newport News, VA 23606

		All Rights Reserved. No part of this software or publication may be
		reproduced, stored in a retrieval system, or transmitted, in any form
		or by any means, electronic, mechanical, photocopying, recording, or
		otherwise without the prior written permission of GATS Inc.

	@see		gatsDBpp::GATS_DB_Exception

	@todo	Add an EXPORT macro so windows users can preface functions with the decspl
	wen constructing DLL files.

	@bug		None known
	
	<em> $Id$ </em>

*/
#include "GATS_Exception.h"

namespace gatsDBpp {

class GATS_DB_Exception : public GATS_Exception
{
public:

/**
 * @brief GATS_DB_Exception copy constructor.
 */
	GATS_DB_Exception(const GATS_DB_Exception& e) throw()
	  : GATS_Exception(e) {}
/**
 * @brief Destroy the GATS_DB_Exception object.
 */
	virtual ~GATS_DB_Exception() throw() {}
/**
 * @brief GATS_DB_Exception assignment operator.
 */
 	GATS_DB_Exception& operator=(const GATS_DB_Exception& rhs) throw();

protected:
/**
 * @brief Construct a GATS_DB_Exception object
 */
	GATS_DB_Exception(const char* w, const char* filename, 
	const unsigned int linenumber) throw() 
	: GATS_Exception(w,filename,linenumber) {}

};

// The different types of GATS_database exception objects
/**
 * The DBConnectionFailed object is thrown if a Database
 * connection could not be established.
 */
class DBConnectionFailed : public GATS_DB_Exception {
public:
/**
 * @brief DBConnectionFailed Constructor
 */
	DBConnectionFailed(const char* w, const char* filename, 
	const unsigned int linenumber) : GATS_DB_Exception(w,filename,linenumber) {}
};

/** 
 * The BadQuery object is thrown if the database return any error code
 * when executing an SQL statement.
 */
class BadQuery : public GATS_DB_Exception {
public:
/**
 * @brief BadQuery constructor
 */
	BadQuery(const char* w, const char* filename, 
	const unsigned int linenumber) : GATS_DB_Exception(w,filename,linenumber) {}
};
/**
 * The ColDataIsNull object is thrown if trying to reference any conversion method
 * of the ColData object when it contains NULL
 */
class ColDataIsNull : public GATS_DB_Exception {
public:
/**
 * @brief ColDataIsNull constructor
 */
	ColDataIsNull(const char* w, const char* filename, 
	const unsigned int linenumber) : GATS_DB_Exception(w,filename,linenumber) {}
};

/**
 * The UnknownDatabaseType object is thrown if there is no specialized class for
 * the derived database class type. 
 */
class UnknownDatabaseType : public GATS_DB_Exception {
public:
/**
 * @brief UnknownDatabaseType constructor
 */
	UnknownDatabaseType(const char* w, const char* filename, 
	const unsigned int linenumber) : GATS_DB_Exception(w,filename,linenumber) {}
};



} //end namespace

#endif //_GATS_DB_EXCEPTION_H_