acsexmplLongDevIO.h

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#ifndef acsexmplLongDevIO_h
#define acsexmplLongDevIO_h
/*******************************************************************************
*    ALMA - Atacama Large Millimiter Array
*    (c) European Southern Observatory, 2002
*    Copyright by ESO (in the framework of the ALMA collaboration)
*    and Cosylab 2002, All rights reserved
*
*    This library is free software; you can redistribute it and/or
*    modify it under the terms of the GNU Lesser General Public
*    License as published by the Free Software Foundation; either
*    version 2.1 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
*    Lesser General Public License for more details.
*
*    You should have received a copy of the GNU Lesser General Public
*    License along with this library; if not, write to the Free Software
*    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
*
*
* "@(#) $Id: acsexmplLongDevIO.h,v 1.8 2006/10/19 09:47:40 bjeram Exp $"
*
* who       when      what
* --------  --------  ----------------------------------------------
* david 2003-10-20 created
*/

#ifndef __cplusplus
#error This is a C++ include file and cannot be used from plain C
#endif

#include <baciDevIO.h>
#include <iostream>

using namespace baci;

class acsexmpl_EXPORT LongDevIO : public DevIO<CORBA::Long>
{
  public:
    
    LongDevIO() {};

    virtual ~LongDevIO() {};

    virtual bool 
    initializeValue()
        { return true; }
  
    virtual CORBA::Long 
    read(unsigned long long& timestamp)
        throw (ACSErr::ACSbaseExImpl)
        {
        
            //Must set the timestamp.  This value is in 100s of nanoseconds that have passed
            //since some date in the 1500s.  Most developers will just want to use the getTimeStamp
            //method, but you can find more information on the time defintion in the ACS Time 
            //System.
            timestamp = getTimeStamp();

            //Normally you'd want to access hardware, files, pipes, etc. here. We just return 42
            return 42;
        }

    virtual void 
    write(const CORBA::Long &value, unsigned long long& timestamp)
        throw (ACSErr::ACSbaseExImpl)
        {
            //Must set the timestamp.  This value is in 100s of nanoseconds that have passed
            //since some date in the 1500s (see ACS Time System documentation for specific details).  
            //Most developers will just want to use the getTimeStamp method.
            timestamp = getTimeStamp();
            
            //Print a message to standard out
            std::cout << "LongDevIO::write(...) - the value is:" << value << std::endl;
        }
};

#endif

---