util_exception.hpp

ncbi源码

/*
 * ===========================================================================
 * PRODUCTION $Log: util_exception.hpp,v $
 * PRODUCTION Revision 1000.0  2003/10/29 15:33:08  gouriano
 * PRODUCTION PRODUCTION: IMPORTED [ORIGINAL] Dev-tree R1.2
 * PRODUCTION
 * ===========================================================================
 */

#ifndef UTIL_EXCEPTION__HPP
#define UTIL_EXCEPTION__HPP

/* $Id: util_exception.hpp,v 1000.0 2003/10/29 15:33:08 gouriano Exp $
* ===========================================================================
*
*                            public DOMAIN NOTICE                          
*               National Center for Biotechnology Information
*                                                                          
*  This software/database is a "United States Government Work" under the   
*  terms of the United States Copyright Act.  It was written as part of    
*  the author's official duties as a United States Government employee and 
*  thus cannot be copyrighted.  This software/database is freely available 
*  to the public for use. The National Library of Medicine and the U.S.    
*  Government have not placed any restriction on its use or reproduction.  
*                                                                          
*  Although all reasonable efforts have been taken to ensure the accuracy  
*  and reliability of the software and data, the NLM and the U.S.          
*  Government do not and cannot warrant the performance or results that    
*  may be obtained by using this software or data. The NLM and the U.S.    
*  Government disclaim all warranties, express or implied, including       
*  warranties of performance, merchantability or fitness for any particular
*  purpose.                                                                
*                                                                          
*  Please cite the author in any work or product based on this material.   
*
* ===========================================================================
*
* Author:  Andrei Gourianov
*
* File Description:
*   Util library exceptions
*
*/

#include <corelib/ncbiexpt.hpp>


/** @addtogroup UtilExcep
 *
 * @{
 */


BEGIN_NCBI_SCOPE


class NCBI_XUTIL_EXPORT CUtilException : public CException
{
public:
    enum EErrCode {
        eNoInput,
        eWrongCommand,
        eWrongData
    };
    virtual const char* GetErrCodeString(void) const {
        switch ( GetErrCode() ) {
        case eNoInput:      return "eNoInput";
        case eWrongCommand: return "eWrongCommand";
        case eWrongData:    return "eWrongData";
        default:     return CException::GetErrCodeString();
        }
    }
    NCBI_EXCEPTION_DEFAULT(CUtilException,CException);
};


// this exception is thrown when IO error occurred in serialization
class NCBI_XUTIL_EXPORT CIOException : public CUtilException
{
public:
    enum EErrCode {
        eRead,
        eWrite,
        eFlush
    };
    virtual const char* GetErrCodeString(void) const {
        switch ( GetErrCode() ) {
        case eRead:  return "eRead";
        case eWrite: return "eWrite";
        case eFlush: return "eFlush";
        default:     return CException::GetErrCodeString();
        }
    }
    NCBI_EXCEPTION_DEFAULT(CIOException, CUtilException);
};

class NCBI_XUTIL_EXPORT CEofException : public CIOException
{
public:
    enum EErrCode {
        eEof
    };
    virtual const char* GetErrCodeString(void) const {
        switch ( GetErrCode() ) {
        case eEof:  return "eEof";
        default:    return CException::GetErrCodeString();
        }
    }
    NCBI_EXCEPTION_DEFAULT(CEofException, CIOException);
};


class NCBI_XUTIL_EXPORT CBlockingQueueException : public CUtilException
{
public:
    enum EErrCode {
        eFull,    // attempt to insert into a full queue
        eTimedOut // Put or WaitForRoom timed out
    };
    virtual const char* GetErrCodeString(void) const
    {
        switch (GetErrCode()) {
        case eFull:     return "eFull";
        case eTimedOut: return "eTimedOut";
        default:        return CException::GetErrCodeString();
        }
    }
    NCBI_EXCEPTION_DEFAULT(CBlockingQueueException,CUtilException);
};


END_NCBI_SCOPE


/* @} */


/*
 * ===========================================================================
 * $Log: util_exception.hpp,v $
 * Revision 1000.0  2003/10/29 15:33:08  gouriano
 * PRODUCTION: IMPORTED [ORIGINAL] Dev-tree R1.2
 *
 * Revision 1.2  2003/04/17 17:50:40  siyan
 * Added doxygen support
 *
 * Revision 1.1  2003/02/26 21:34:05  gouriano
 * modify C++ exceptions thrown by this library
 *
 *
 * ===========================================================================
 */

#endif  /* UTIL_EXCEPTION__HPP */