Naming.h

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/*****************************************************************************
 * Copyright (C) 2011 by Benjamin Hadorn (b_hadorn@bluewin.ch)
 *****************************************************************************
 * Project    : Zeus Base Library
 * Module     : Naming
 * Package    : Zeus.ZeusBase.Remote
 * Author     : Benjamin Hadorn
 * Date       : 27.12.2011
 * System     : Zeus-Framework
 *****************************************************************************
 * Licence:                                                                  *
 *   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., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA    *
 *****************************************************************************/

/*****************************************************************************
 * Changes:
 *  27.12.2011 bha: created zeus 2.0
 *****************************************************************************/

#ifndef NamingH
#define NamingH


#include <zeusbase/Remote/Interfaces/INaming.hpp>
#include <zeusbase/Remote/AbstractStub.h>
#include <zeusbase/System/ZObject.h>
#include <zeusbase/System/StringMap.hpp>

BEGIN_NAMESPACE_Zeus

#define Naming          TNaming::getInstance()

class TCriticalSection;
class TXMLStream;

/***************************************************************************/
/***************************************************************************/
zeusbase_class TNaming : public TZObject, public INamedContext
{
  public:
    static TNaming& getInstance();
    static Retval createNewInstance(TNaming*& rpObject);

    Retval connect(const TString& rAddress, Uint uiPort);
    void disconnect();
    Retval getLocalContext(INamedContext*& rpContext);
    void setDelegationInterface(INaming* pIface);

    //Methods of INaming
    virtual bool MQUALIFIER hasRemoteContext() const;
    virtual bool MQUALIFIER isConnected() const;
    virtual void MQUALIFIER releaseLocalContext();

    //Methods of INaming
    virtual Retval MQUALIFIER bind(const IString& rName, const IRemoteObject& rObject);
    virtual Retval MQUALIFIER rebind(const IString& rName, const IRemoteObject& rObject);
    virtual Retval MQUALIFIER unbind(const IString& rName);
    virtual Retval MQUALIFIER lookup(const IString& rQuery, IRemoteObject*& rpObject);
    virtual Retval MQUALIFIER lookupObjects(const IString& rQuery, IRemoteObjectList& rObjects);
    virtual Retval MQUALIFIER lookupAny(const IString& rQuery, IRemoteObject*& rpObject);

    virtual Retval MQUALIFIER getObjectNames(const IString& rQuery, IStringList& rNames);


    //Methods of IZUnknown
    MEMORY_MANAGER_DECL

  protected:
    void createLocalContext();
    bool checkAndCreateLocalContext();

    //Compiler problem on older version from microsoft
    #ifdef _MSC_VER
      public:
    #endif

    TNaming();
    virtual ~TNaming();

  private:
    static TAutoPtr<TNaming> m_ptrNaming;
    TCriticalSection& m_rLock;
    TAutoPtr<INaming> m_ptrDelegationInterface;
    TAutoPtr<INamedContext> m_ptrRemoteContext;
    TAutoPtr<INamedContext> m_ptrLocalContext;
    TXMLStream* m_pLocalXMLData;
};

//INLINE METHDOS
/***************************************************************************/
/***************************************************************************/
inline /*static*/ TNaming& TNaming::getInstance()
{
  return *m_ptrNaming;
}

/***************************************************************************/
/***************************************************************************/
inline bool TNaming::checkAndCreateLocalContext()
{
  if (m_ptrLocalContext == NULL)
  {
    createLocalContext();
  }
  return (m_ptrLocalContext != NULL);
}

/***************************************************************************/
/***************************************************************************/
inline bool MQUALIFIER TNaming::hasRemoteContext() const
{
  bool bRetval = false;
  if (m_ptrDelegationInterface != NULL)
  {
    bRetval = m_ptrDelegationInterface->hasRemoteContext();
  }
  else
  {
    bRetval = (m_ptrRemoteContext != NULL);
  }
  return bRetval;
}

/***************************************************************************/
/***************************************************************************/
inline bool MQUALIFIER TNaming::isConnected() const
{
  bool bRetval = false;
  if (m_ptrDelegationInterface != NULL)
  {
    bRetval = m_ptrDelegationInterface->isConnected();
  }
  else
  {
    bRetval = false; //TODO
  }
  return bRetval;
}


END_NAMESPACE_Zeus

#endif