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// $Id: Rw11UnitVirt.ipp 515 2013-05-04 17:28:59Z mueller $
//
// Copyright 2013- by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
//
// This program is free software; you may redistribute and/or modify it under
// the terms of the GNU General Public License as published by the Free
// Software Foundation, either version 2, or at your option any later version.
//
// This program 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 General Public License
// for complete details.
// 
// Revision History: 
// Date         Rev Version  Comment
// 2013-05-03   515   1.1    use AttachDone(),DetachCleanup(),DetachDone()
// 2013-03-03   494   1.0    Initial version
// 2013-02-05   483   0.1    First draft
// ---------------------------------------------------------------------------

/*!
  \file
  \version $Id: Rw11UnitVirt.ipp 515 2013-05-04 17:28:59Z mueller $
  \brief   Implemenation (inline) of Rw11UnitVirt.
*/

#include "boost/thread/locks.hpp"

#include "librtools/RosFill.hpp"

#include "Rw11UnitVirt.hpp"

/*!
  \class Retro::Rw11UnitVirt
  \brief FIXME_docs
*/

// all method definitions in namespace Retro
namespace Retro {

//------------------------------------------+-----------------------------------
//! Default constructor

template <class TV>
Rw11UnitVirt<TV>::Rw11UnitVirt(Rw11Cntl* pcntl, size_t index)
  : Rw11Unit(pcntl, index),
    fpVirt()
{}

//------------------------------------------+-----------------------------------
//! Destructor

template <class TV>
Rw11UnitVirt<TV>::~Rw11UnitVirt()
{}

//------------------------------------------+-----------------------------------
//! FIXME_docs

template <class TV>
inline TV* Rw11UnitVirt<TV>::Virt() const
{
  return fpVirt.get();
}

//------------------------------------------+-----------------------------------
//! FIXME_docs

template <class TV>
inline bool Rw11UnitVirt<TV>::Attach(const std::string& url, RerrMsg& emsg)
{
  // synchronize with server thread
  boost::lock_guard<RlinkConnect> lock(Connect());
  if (fpVirt) Detach();
  fpVirt.reset(TV::New(url, this, emsg));
  if (fpVirt) AttachDone();
  return fpVirt;
}

//------------------------------------------+-----------------------------------
//! FIXME_docs

template <class TV>
inline void Rw11UnitVirt<TV>::Detach()
{
  // synchronize with server thread
  boost::lock_guard<RlinkConnect> lock(Connect());
  if (!fpVirt) return;
  DetachCleanup();
  fpVirt.reset();
  DetachDone();
  return;
}

//------------------------------------------+-----------------------------------
//! FIXME_docs

template <class TV>
void Rw11UnitVirt<TV>::Dump(std::ostream& os, int ind, 
                               const char* text) const
{
  RosFill bl(ind);
  os << bl << (text?text:"--") << "Rw11UnitVirt @ " << this << std::endl;
  if (fpVirt) {
    fpVirt->Dump(os, ind+2, "*fpVirt: ");
  } else {
    os << bl << "  fpVirt:          " << fpVirt.get()   << std::endl;
  }
  
  Rw11Unit::Dump(os, ind, " ^");
  return;
} 

} // end namespace Retro