//
// dbdevice.cpp - C++ source code file for TANGO dbapi class DbAttribute
//
// programmer     - Andy Gotz (goetz@esrf.fr)
//
// original     - July 2003
//
// Copyright (C) :      2003,2004,2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015
//                        European Synchrotron Radiation Facility
//                      BP 220, Grenoble 38043
//                      FRANCE
//
// This file is part of Tango.
//
// Tango 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 3 of the License, or
// (at your option) any later version.
//
// Tango 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 Tango.  If not, see <http://www.gnu.org/licenses/>.
//
// last changed    - 7/7/20003
//
// version     - 1.0
//

#include <tango/tango.h>

using namespace CORBA;

namespace Tango
{

//-----------------------------------------------------------------------------
//
// DbAttribute::DbAttribute() - constructor to create a DbAttribute object for
//              accessing an attribute of this name in the specified
//              TANGO database (import/export info and properties)
//
//-----------------------------------------------------------------------------

DbAttribute::DbAttribute(const std::string &att_name, const std::string &dev_name, Database *att_dbase)
{
    name = att_name;
    device_name = dev_name;
    dbase = att_dbase;
    ext_dbase = true;
}

//-----------------------------------------------------------------------------
//
// DbAttribute::DbAttribute() - constructor to create a DbAttribute object for
//              accessing an attribute of this name without specifying
//              the TANGO database.
//
//-----------------------------------------------------------------------------

DbAttribute::DbAttribute(const std::string &att_name, const std::string &dev_name)
{
    name = att_name;
    device_name = dev_name;
    db_ind = ApiUtil::instance()->get_db_ind();
    ext_dbase = false;
}

//-----------------------------------------------------------------------------
//
// DbAttribute::DbAttribute() - constructor to create a DbAttribute object for
//              accessing an attribute of this name with specifying
//              the TANGO database via its server host and port
//
//-----------------------------------------------------------------------------

DbAttribute::DbAttribute(const std::string &att_name,
                         const std::string &dev_name,
                         const std::string &host,
                         const std::string &port_str)
{
    name = att_name;
    device_name = dev_name;

    TangoSys_MemStream s;
    int port_num;
    s << port_str << std::ends;
    s >> port_num;

    db_ind = ApiUtil::instance()->get_db_ind(host, port_num);
    ext_dbase = false;
}

//-----------------------------------------------------------------------------

//-----------------------------------------------------------------------------
//
// DbAttribute::~DbAttribute() - destructor to destroy a DbAttribute object
//
//-----------------------------------------------------------------------------

DbAttribute::~DbAttribute() { }

//-----------------------------------------------------------------------------
//
// DbAttribute::get_property() - public method to get attribute properties from the database
//
//-----------------------------------------------------------------------------

void DbAttribute::get_property(DbData &db_data)
{
    if(ext_dbase)
    {
        dbase->get_device_attribute_property(device_name, db_data);
    }
    else
    {
        ApiUtil *au = ApiUtil::instance();
        (au->get_db_vect())[db_ind]->get_device_attribute_property(device_name, db_data);
    }
}

//-----------------------------------------------------------------------------
//
// DbAttribute::put_property() - public method to put attribute properties from the database
//
//-----------------------------------------------------------------------------

void DbAttribute::put_property(const DbData &db_data)
{
    if(ext_dbase)
    {
        dbase->put_device_attribute_property(device_name, db_data);
    }
    else
    {
        ApiUtil *au = ApiUtil::instance();
        (au->get_db_vect())[db_ind]->put_device_attribute_property(device_name, db_data);
    }
}

//-----------------------------------------------------------------------------
//
// DbAttribute::delete_property() - public method to delete attribute properties from the database
//
//-----------------------------------------------------------------------------

void DbAttribute::delete_property(const DbData &db_data)
{
    if(ext_dbase)
    {
        dbase->delete_device_attribute_property(device_name, db_data);
    }
    else
    {
        ApiUtil *au = ApiUtil::instance();
        (au->get_db_vect())[db_ind]->delete_device_attribute_property(device_name, db_data);
    }
}

} // namespace Tango
