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BeanDeliverySubjectImpl.h

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/***************** <Tweek heading BEGIN do not edit this line> ****************
 * Tweek
 *
 * -----------------------------------------------------------------
 * File:          $RCSfile: BeanDeliverySubjectImpl.h,v $
 * Date modified: $Date: 2003/08/03 00:08:28 $
 * Version:       $Revision: 1.7 $
 * -----------------------------------------------------------------
 ***************** <Tweek heading END do not edit this line> *****************/

/*************** <auto-copyright.pl BEGIN do not edit this line> **************
 *
 * VR Juggler is (C) Copyright 1998-2003 by Iowa State University
 *
 * Original Authors:
 *   Allen Bierbaum, Christopher Just,
 *   Patrick Hartling, Kevin Meinert,
 *   Carolina Cruz-Neira, Albert Baker
 *
 * 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.
 *
 * You should have received a copy of the GNU Library 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.
 *
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#ifndef _TWEEK_BEAN_DELIVERY_SUBJECT_IMPL_H_
#define _TWEEK_BEAN_DELIVERY_SUBJECT_IMPL_H_

#include <tweek/tweekConfig.h>

#include <map>
#include <vector>
#include <string>

#include <vpr/vpr.h>
#include <vpr/Sync/Mutex.h>
#include <vpr/Sync/Guard.h>

#include <tweek/CORBA/SubjectImpl.h>
#include <tweek/CORBA/BeanDeliverySubject.h>


namespace tweek
{

class BeanDeliverySubjectImpl : public POA_tweek::BeanDeliverySubject,
                                public tweek::SubjectImpl
{
public:
   struct BeanData
   {
      std::string filename;

      std::string introspectorClassName;

      std::vector<CORBA::Octet> fileContents;
   };

   BeanDeliverySubjectImpl() : mHasActiveBean(false)
   {
      ;
   }

   virtual ~BeanDeliverySubjectImpl()
   {
      ;
   }

   virtual BeanNameList* getAllBeanNames();

   virtual BeanInfo* getBean(const char* beanName);

   virtual CORBA::Boolean hasActiveBean()
   {
      vpr::Guard<vpr::Mutex> lock(mActiveBeanLock);
      return mHasActiveBean;
   }

   virtual BeanInfo* getActiveBeanInfo();

   void addBean(const std::string& beanName, const BeanData& beanData);

   void setActiveBean(const std::string& beanName);

   void removeActiveBean();

   tweek::BeanDeliverySubject_ptr _this()
   {
      return POA_tweek::BeanDeliverySubject::_this();
   }

private:
   // These two have to be here because Visual C++ will try to make them
   // exported public symbols.  This causes problems because copying
   // vpr::Mutex objects is not allowed.
   BeanDeliverySubjectImpl(const BeanDeliverySubjectImpl& subj);

   BeanDeliverySubjectImpl& operator=(const BeanDeliverySubjectImpl& subj)
   {
      return *this;
   }

   std::map<std::string, BeanData> mBeanCollection;
   vpr::Mutex mBeanCollectionLock;

   CORBA::Boolean mHasActiveBean;  
   std::string    mActiveBean;     
   vpr::Mutex     mActiveBeanLock;
};

} // End of tweek namespace


#endif /* _TWEEK_BEAN_DELIVERY_SUBJECT_IMPL_H_ */

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