acsutilORBHelper.h

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#ifndef ACSUTIL_ORB_HELPER_H
#define ACSUTIL_ORB_HELPER_H
/*******************************************************************************
*    ALMA - Atacama Large Millimiter Array
*    (c) Associated Universities Inc., 2002 
*    (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: acsutilORBHelper.h,v 1.2 2006/01/09 18:52:17 dfugate Exp $"
*
* who       when      what
* --------  --------  ----------------------------------------------
* david  20/09/02  created
*/

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

#include <lokiSingleton.h>
#include <ace/Thread_Manager.h>
#include <tao/ORB.h>
    
class ORBHelper
{
  public:
    static CORBA::ORB_ptr 
    getORB();

    static bool 
    setORB(CORBA::ORB_ptr);

    static bool
    isORBSet();
    
  protected:
    typedef Loki::SingletonHolder<ORBHelper, 
                                  Loki::CreateUsingNew, 
                                  Loki::PhoenixSingleton, 
                                  Loki::SingleThreaded> ORBHelperSingleton;

    ORBHelper();

    ~ORBHelper();

  private:
    static void
    runOrbThread(void *pThis);

    static CORBA::ORB_ptr orb_mp;
    
    ACE_Thread_Manager *threadManager_mp;

    bool orbRunYet_m;

    void operator=(const ORBHelper&);

    ORBHelper(const ORBHelper&);

    friend ORBHelper* Loki::CreateUsingNew<ORBHelper>::Create();

    friend void Loki::CreateUsingNew<ORBHelper>::Destroy(ORBHelper*);
};

#endif