cdbDAONode.h

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#ifndef cdbDAONode_H_
#define cdbDAONode_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: cdbDAONode.h,v 1.7 2010/04/20 14:33:39 bjeram Exp $"
 *
 * who       when        what
 * --------  ----------  ----------------------------------------------
 * msekoran  2005/09/11  created
 */

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

#include <string>
#include <map>

#include "cdbDAOProxy.h"
#include <cdbDALS.h>

namespace cdb {

    // forward declaration
    class DAONode;

    class DALChangeListenerImplementation :
        public virtual PortableServer::RefCountServantBase,
        public virtual POA_CDB::DALChangeListener,
        public virtual POA_ACS::OffShoot
    {
      public:

        DALChangeListenerImplementation(CDB::DAL_ptr, PortableServer::POA_ptr poa);

        virtual ~DALChangeListenerImplementation();
        
        void registerNode(DAONode *node);

        void unregisterNode(DAONode *node);

        void destroy();

        //----------------------------------------------------
        // CORBA DALChangeListenerImplementation interface
        //----------------------------------------------------

        virtual void object_changed (const char * curl);

      protected:

        CDB::DAL_var m_dal;
        
        long m_changeListenerID;

        typedef std::vector<DAONode*> VectorDAONode;
        typedef std::map<std::string, VectorDAONode> MapVectorDAONode;
        
        MapVectorDAONode nodeMap;

        PortableServer::POA_var m_poa;
    };

    class DAONode :
        public virtual POA_CDB::DAO
    {
      public:

        DAONode(const char* nodeName, CDB::DAL_ptr dal, PortableServer::POA_ptr poa);

        virtual ~DAONode();

        void readConfiguration();

        DAONode* createDAONode(const char * nodeName);
        
        DAONode* createChild(const char* childName);

        //----------------------------------------------------
        // CORBA DAO interface
        //----------------------------------------------------
    /*
    * @throw cdbErrType::WrongCDBDataTypeEx
    * @throw cdbErrType::CDBFieldDoesNotExistEx
    */
        virtual CORBA::Long get_long (const char * propertyName);

    /*
    * @throw cdbErrType::WrongCDBDataTypeEx
    * @throw cdbErrType::CDBFieldDoesNotExistEx
    */
        virtual CORBA::Double get_double (const char * propertyName);

    /*
    * @throw cdbErrType::WrongCDBDataTypeEx
    * @throw cdbErrType::CDBFieldDoesNotExistEx
    */
        virtual char * get_string (const char * propertyName);

    /*
    * @throw cdbErrType::WrongCDBDataTypeEx
    * @throw cdbErrType::CDBFieldDoesNotExistEx
    */
        virtual char * get_field_data (const char * propertyName);

    /*
    * @throw cdbErrType::WrongCDBDataTypeEx
    * @throw cdbErrType::CDBFieldDoesNotExistEx
    */
        virtual ::CDB::stringSeq * get_string_seq (const char * propertyName);

    /*
    * @throw cdbErrType::WrongCDBDataTypeEx
    * @throw cdbErrType::CDBFieldDoesNotExistEx
    */
        virtual ::CDB::longSeq * get_long_seq (const char * propertyName);
    
    /*
    * @throw cdbErrType::WrongCDBDataTypeEx
    * @throw cdbErrType::CDBFieldDoesNotExistEx
    */
        virtual ::CDB::doubleSeq * get_double_seq (const char * propertyName);

        template<class T>
        T getValue(const char * propertyName);

        virtual void destroy ();

      protected:

        DAONode();

        void connect(bool silent = true);

        std::string m_name;

        CDB::DAL_var m_dal;

        PortableServer::POA_var m_poa;

        DAOProxy* m_daoImpl;

        bool m_remote;
        
        DALChangeListenerImplementation* m_dalChangeListener;

        // used to access m_name field and connect method
        friend class DALChangeListenerImplementation;
    };

    class DAOChildNode :
        public DAONode
    {
      public:

        DAOChildNode(DAONode * parent, const char* childName);

        virtual ~DAOChildNode();
        
        DAONode* createDAONode(const char * nodeName);

        DAONode* createChild(const char* childName);

        //----------------------------------------------------
        // CORBA DAO interface
        //----------------------------------------------------

    /*
    * @throw cdbErrType::WrongCDBDataTypeEx
    * @throw cdbErrType::CDBFieldDoesNotExistEx
    */
        virtual CORBA::Long get_long (const char * propertyName);

    /*
    * @throw cdbErrType::WrongCDBDataTypeEx
    * @throw cdbErrType::CDBFieldDoesNotExistEx
    */
        virtual CORBA::Double get_double (const char * propertyName);

    /*
    * @throw cdbErrType::WrongCDBDataTypeEx
    * @throw cdbErrType::CDBFieldDoesNotExistEx
    */
        virtual char * get_string (const char * propertyName);

    /*
    * @throw cdbErrType::WrongCDBDataTypeEx
    * @throw cdbErrType::CDBFieldDoesNotExistEx
    */
        virtual char * get_field_data (const char * propertyName);

    /*
    * @throw cdbErrType::WrongCDBDataTypeEx
    * @throw cdbErrType::CDBFieldDoesNotExistEx
    */
        virtual ::CDB::stringSeq * get_string_seq (const char * propertyName);

    /*
    * @throw cdbErrType::WrongCDBDataTypeEx
    * @throw cdbErrType::CDBFieldDoesNotExistEx
    */
        virtual ::CDB::longSeq * get_long_seq (const char * propertyName);

    /*
    * @throw cdbErrType::WrongCDBDataTypeEx
    * @throw cdbErrType::CDBFieldDoesNotExistEx
    */
        virtual ::CDB::doubleSeq * get_double_seq (const char * propertyName);

        /*
         * @throw cdbErrType::WrongCDBDataTypeEx
         * @throw cdbErrType::CDBFieldDoesNotExistEx
   */
        template<class T>
        T getValue(const char * propertyName)
        {
                return m_parent->getValue<T>(propertyName);
        }

        virtual void destroy ();

      protected:
        
        DAONode* m_parent;

        std::string m_childName;

        std::string m_childNamePrefix;
    };

} /* namespace cdb */

#endif /* cdbDAONode_H_  */


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/*___oOo___*/