The Simons     Component Library

           

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DataError.h

//
//  SCL : Simons Component Library
//
//
//  Filename:   DataError.h
//  Contents:   DataError class, signalling failed data transfer
//  Author:     Anthony J H Simons
//  Revised:    30 November 2005

// This software is distributed free in the hope that others will
// find it useful.  However, it comes WITHOUT ANY WARRANTY.  No
// liability can be accepted for software failure, merchantability
// or fitness for a particular purpose.  You can redistribute this
// software in its original form, or in a modified form, provided
// that this disclaimer is retained in the file banner.

#ifndef SCL_DATA_ERROR
#define SCL_DATA_ERROR

#include "Exception.h"          // Include my superclass type
#include "DataErrorID.h"        // Include my pointer type

#include "StringID.h"           // Depend on the pointer types
#include "StreamID.h"


class DataError : public Exception {
protected:
        StringID failedMethod;  
        ObjectID failedDatum;   
        DataError(const DataError&);
public:
        DataError();
        virtual ~DataError();
        DataError(StreamID, StringID, ObjectID, StringID);
        StringID method() const;
        ObjectID datum() const;
};


inline StringID DataError::method() const { return failedMethod; }

inline ObjectID DataError::datum() const { return failedDatum; }



inline DataErrorID::DataErrorID() {}

inline DataErrorID::~DataErrorID() {}

inline DataErrorID::DataErrorID(const Null* null) :
        ExceptionID(null) {}
        
inline DataErrorID::DataErrorID(const DataError* exception) :
        ExceptionID(exception) {}
        
inline DataErrorID::DataErrorID(const DataErrorID& pointer) :
        ExceptionID(pointer) {}
        
inline DataErrorID& DataErrorID::operator=(const DataError* exception) {
        assign(exception);
        return *this;
}

inline DataErrorID& DataErrorID::operator=(const DataErrorID& pointer) {
        assign(pointer);
        return *this;
}


#endif

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