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dbobjstreamerfactory.cpp

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//============================================================================= 
//
// XDFLengine library
//
//----------------------------------------------------------------------------- 
//  dbobjtreamerFactory.CPP
//----------------------------------------------------------------------------- 
//_____________________________________________________________________________
//
//  Copyright (C) 2003 Guillaume Baurand. All Rights Reserved.
//
//  This file is part of the XDFLengine project.
//
//  The XDFLengine is free software; you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation; either version 2 of the License, 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 more details.
//
//  You should have received a copy of the GNU General Public License
//  along with this program; if not, write to the Free Software
//  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
//  USA.
//
//  For more information, 
//      contact  : guillaume@baurand.net 
//      or visit : http://xdflengine.sourceforge.net
//
//=============================================================================

#   include "dbobjstreamerfactory.hpp"
#   include "processor/xmlprocessor.hpp"
#   include "streamers/db/dbobject/dbobjdefinition.hpp"

BEGIN_XDFLENGINE_NS

//============================================================================= 
//  CLASS DBOBJStreamerFactory
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    //_____________________________________________________________________
    //  DBOBJSTREAMERFACTORY
    //---------------------------------------------------------------------
    DBOBJStreamerFactory::~DBOBJStreamerFactory()
    {
        while(! g_pvaDefinitionsCache.empty()) delete g_pvaDefinitionsCache.pop();
    }

    //_____________________________________________________________________
    //  CACHEDEFINITION
    //---------------------------------------------------------------------
    void DBOBJStreamerFactory::cacheDefinition( const char* p_pszName, DBOBJDefinitionNode* p_pDefinitionRoot)
    {   
        logout << "\tDEF CACHE   :   " << "Add cached definition " << p_pszName << "...\n";
        g_pvaDefinitionsCache.add(p_pDefinitionRoot, p_pszName);
    }

    //_____________________________________________________________________
    //  GETCACHEDDEFINITION
    //---------------------------------------------------------------------
    const DBOBJDefinitionNode* DBOBJStreamerFactory::getCachedDefinition( const char* p_pszName, XMLFlowContext* p_pStreamContext) const
    {
        // try to get from cache
        logout << "\tDEF CACHE   :   " << "Get cached definition " << p_pszName << "...\n";
        return g_pvaDefinitionsCache.get(p_pszName);
    }

    //_____________________________________________________________________
    //  BUILDCACHEDDEFINITION
    //---------------------------------------------------------------------
    DBOBJDefinitionNode* DBOBJStreamerFactory::buildDefinition( const char* p_pszName, XMLFlowContext* p_pStreamContext) const
    {
        DBOBJDefinitionNode*    l_pDefinitionRoot=0;
        XMLStreamBuffer*        l_pszDefinitionBuffer;


        logout << "\tDEF CACHE   :   " << "Build definition " << p_pszName << "...\n";
        l_pszDefinitionBuffer = p_pStreamContext -> getNamedBuffer( p_pszName);
        if (l_pszDefinitionBuffer) l_pDefinitionRoot = SAXDBOBJDefinitionBuilder::buildDBOBJDefinition(p_pStreamContext, l_pszDefinitionBuffer);
    
        
        return l_pDefinitionRoot;
    }



//=============================================================================

END_XDFLENGINE_NS

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