~drizzle-trunk/drizzle/development

/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-

 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:

 *

 *  Copyright (C) 2010 Brian Aker

 *

 *  This program 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 */

#ifndef DRIZZLED_GENERATOR_SCHEMA_H

#define DRIZZLED_GENERATOR_SCHEMA_H

#include "drizzled/session.h"

#include "drizzled/plugin/storage_engine.h"

namespace drizzled {

namespace generator {

class Schema

{

  Session &session;

  message::Schema schema;

  SchemaIdentifiers schema_names;

  SchemaIdentifiers::const_iterator schema_iterator;

public:

  Schema(Session &arg);

  operator const drizzled::message::Schema*()

  {

    while (schema_iterator != schema_names.end())

    {

      schema.Clear();

      SchemaIdentifier schema_identifier(*schema_iterator);

      bool is_schema_parsed= plugin::StorageEngine::getSchemaDefinition(schema_identifier, schema);

      schema_iterator++;

      if (is_schema_parsed)

        return &schema;

    }

    return NULL;

  }

  operator const drizzled::SchemaIdentifier*()

  {

    while (schema_iterator != schema_names.end())

    {

      const drizzled::SchemaIdentifier *_ptr= &(*schema_iterator);

      schema_iterator++;

      return _ptr;

    }

    return NULL;

  }

};

} /* namespace generator */

} /* namespace drizzled */

#endif /* DRIZZLED_GENERATOR_SCHEMA_H */