Exceptions.h

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//=============================================================================
//  Computational Process Networks class library
//  Copyright (C) 1997-2006  Gregory E. Allen and The University of Texas
//
//  This library is free software; you can redistribute it and/or modify it
//  under the terms of the GNU Library General Public License as published
//  by the Free Software Foundation; either version 2 of the License, or
//  (at your option) any later version.
//
//  This library is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
//  Library General Public License for more details.
//
//  The GNU Public License is available in the file LICENSE, or you
//  can write to the Free Software Foundation, Inc., 59 Temple Place -
//  Suite 330, Boston, MA 02111-1307, USA, or you can find it on the
//  World Wide Web at http://www.fsf.org.
//=============================================================================
#ifndef CPN_EXCEPTIONS_H
#define CPN_EXCEPTIONS_H
#pragma once

#include <cpn/common.h>
#include <cpn/utils/Exception.h>
#include <string>

namespace CPN {

    class CPN_API ShutdownException : public Exception {
    public:
        ShutdownException() throw() : Exception(3) {}
        ~ShutdownException() throw();
        const char* what() const throw() { return "The kernel has shutdown."; }
    private:
    };

    class CPN_API TypeMismatchException : public Exception {
    public:
        TypeMismatchException() throw() : Exception(3), message("Queue types mismatch") {}
        TypeMismatchException(const std::string &type1, const std::string &type2) throw() {
            message = "Queue types " + type1 + " != " + type2;
        }
        ~TypeMismatchException() throw();
        const char* what() const throw() { return message.c_str(); }
    private:
        std::string message;
    };

    class CPN_API BrokenQueueException : public Exception {
    public:
        BrokenQueueException(Key_t key) throw();
        ~BrokenQueueException() throw();
        const char* what() const throw() { return msg.c_str(); }
    private:
        std::string msg;
    };
}

#endif