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look::DbError Class Reference

Error message class analogous to errno. More...

#include <dberror.h>

List of all members.

Static Public Methods
void	FindLastErrorFromDb (void)
	Ask the interface layer what its last error was. More...
void	SetLastError (const LookString &theMessage, long theNumber)
	Set the error message/number. More...
void	AppendErrorMessage (const LookString &theMessage)
	Append an error message to an existing one. More...
LookString	GetLastError (long &theErrorNumber)
	Get the last error message and number. More...
LookString	GetLastErrorString (void)
	Get the last error message. More...
long	GetLastErrorNumber (void)
	Get the last error number. More...
Static Protected Attributes
long	itsLastErrorNo
LookString	itsLastErrorMessage

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Detailed Description

Error message class analogous to errno.

This class stores an error message and error number. When something goes wrong, ask it to tell you what it was. Error numbers are nominally reserved in looktypes.h.

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Member Function Documentation

void look::DbError::AppendErrorMessage ( const LookString & theMessage ) [static]

Append an error message to an existing one. If the error message is in many parts you may wish to append messages. Parameters: theMessage   The error message to append Returns: none

void look::DbError::FindLastErrorFromDb ( void ) [static]

Ask the interface layer what its last error was. If a db interface layer call fails (eg DbConnect), this will query the interface layer for an appropriate error message and number. If you never touch the interface layer you don't need this call Returns: none

LookString look::DbError::GetLastError ( long & theErrorNumber ) [static]

Get the last error message and number. Get the last error message and number. Parameters: theErrorNumber   Reference to long to receive the error number Returns: The error message

long look::DbError::GetLastErrorNumber ( void ) [static]

Get the last error number. Get the last error number. Returns: The error number

LookString look::DbError::GetLastErrorString ( void ) [static]

Get the last error message. Get the last error message. Returns: The error message

void look::DbError::SetLastError ( const LookString & theMessage, long theNumber ) [static]

Set the error message/number. Set the error message/number for your own errors, eg ones in liblookdb. Parameters: theMessage   The error message theNumber   The error number Returns: none

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The documentation for this class was generated from the following files:

• dberror.h
• dberror.cpp

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