/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * $RCSfile: XVersionedSchemaSupplier.idl,v $
 * $Revision: 1.4 $
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org 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 version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/
#ifndef __com_sun_star_configuration_backend_XVersionedSchemaSupplier_idl__
#define __com_sun_star_configuration_backend_XVersionedSchemaSupplier_idl__

#ifndef __com_sun_star_configuration_backend_XSchemaSupplier_idl__
#include <com/sun/star/configuration/backend/XSchemaSupplier.idl>
#endif

#ifndef __com_sun_star_configuration_backend_BackendAccessException_idl__
#include <com/sun/star/configuration/backend/BackendAccessException.idl>
#endif

#ifndef __com_sun_star_lang_IllegalArgumentException_idl__
#include <com/sun/star/lang/IllegalArgumentException.idl>
#endif

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

module com { module sun { module star { module configuration { module backend {

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

/**
  provides access to versioned configuration component schemas.

  @since OOo 2.0
*/
interface XVersionedSchemaSupplier : XSchemaSupplier
{
    //-------------------------------------------------------------------------

    /**
      Returns the schema version for a particular component.

      @param aComponent
                component whose schema version will be determined

      @returns
                a <atom>string</atom> that identifies the schema version for
                the given component.

                <p> The format of the version string is arbitrary. No meaning
                should be attached to it, unless an implementing service
                defines one. If no version can be determined, an empty
                <atom>string</atom> may be returned.
                </p>

                <p> Clients may assume that all instances of a schema with the
                same version are identical. The converse is not true.
                In particular an implementation may return the same version
                string for all schemas it supplies (i.e. return a version for
                the complete schema, including all components)
                </p>

      @throws   com::sun::star::lang::IllegalArgumentException
                if the component identifier is invalid.

      @throws   com::sun::star::configuration::backend::BackendAccessException
                if an error occurs while accessing the version data.
    */
    string getSchemaVersion([in] string aComponent)
        raises (BackendAccessException,
                com::sun::star::lang::IllegalArgumentException) ;

    //-------------------------------------------------------------------------
} ;

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

} ; } ; } ; } ; } ;

#endif