<![CDATA[
#ifndef POBEXCEPTION_H
#define POBEXCEPTION_H
/*
Copyright (c) 1999, Gary Yihsiang Hsiao. All Rights Reserved.
bugs report to: ghsiao@rbcds.com or ghsiao@netzero.net
Permission to use, copy, modify, and distribute this software
for NON-COMMERCIAL purposes and without fee
is hereby granted provided that this copyright notice
appears in all copies. This software is distributed on an 'as is'
basis without warranty.
Release: 1.0 24-Aug-1999
*/
#include <iostream.h>
#include <string>
static char* perst_err_msg[] = {
"FILE_OPEN_ERROR",
"FILE_SIZE_WRITE_ERROR",
"FILE_DATA_WRITE_ERROR",
"FILE_SIZE_READ_ERROR",
"FILE_DATA_READ_ERROR",
"FILE_READ_SEEK_ERROR",
"FILE_WRITE_SEEK_ERROR",
"FILE_OI_WRITE_ERROR",
"FILE_OBJ_WRITE_ERROR",
"FILE_TYPE_WRITE_ERROR",
"FILE_DEL_WRITE_ERROR",
"FILE_OFFSET_NOT_MATCH",
"NO_CLASS_TYPE_ID_ERROR",
"NO_CLASS_CREATION_FUNC_ERROR",
"NO_OBJ_FOR_CHANGE",
"INVALID_ARGUMENTS",
"INSERT_OBJ_ERROR",
"OBJ_POSITION_NOT_MATCH",
"NODE_KEY_NOT_MATCH",
"INVALID_KEY_COUNT",
"NODE_NOT_FOUND",
"OBJ_ID_NOT_MATCH"
};
class Exception {
public:
enum {
FILE_OPEN_ERROR,
FILE_SIZE_WRITE_ERROR,
FILE_DATA_WRITE_ERROR,
FILE_SIZE_READ_ERROR,
FILE_DATA_READ_ERROR,
FILE_READ_SEEK_ERROR,
FILE_WRITE_SEEK_ERROR,
FILE_OI_WRITE_ERROR,
FILE_OBJ_WRITE_ERROR,
FILE_TYPE_WRITE_ERROR,
FILE_DEL_WRITE_ERROR,
FILE_OFFSET_NOT_MATCH,
NO_CLASS_TYPE_ID_ERROR,
NO_CLASS_CREATION_FUNC_ERROR,
NO_OBJ_FOR_CHANGE,
INVALID_ARGUMENTS,
INSERT_OBJ_ERROR,
OBJ_POSITION_NOT_MATCH,
NODE_KEY_NOT_MATCH,
INVALID_KEY_COUNT,
NODE_NOT_FOUND,
OBJ_ID_NOT_MATCH
};
virtual ~Exception(){};
virtual void make_msg(const string&);
int _id;
string _message;
};
// Persistent Object exception class
class POBException : public Exception
{
friend ostream& operator<<(ostream&, const POBException&);
public:
POBException(){};
POBException(int err, string m="");
};
// Binary Tree exception class
class BTreeException : public POBException
{
friend ostream& operator<<(ostream&, const BTreeException&);
public:
BTreeException(int err, string m="");
};
// Object Availability exception class
class objAvlException : public POBException
{
friend ostream& operator<<(ostream&, const objAvlException&);
public:
objAvlException(int err, string m="");
};
#endif
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