public ReleaseFolderRecord getRecord( 
        String tableName, 
        int transitFolderID,
        privateID, String[] fetch) {

    Class listClass = getClassForTable(tableName);
    if ( listClass == null ) {
        return null;
    }

    String className = listClass.getSimpleName();
    StringBuffer hql = new StringBuffer( 
            "select r " +
            " from ReleaseFolderJoin" + className + " as j " +
            "     join j.record as r "
    );

    int count = fetch == null ? 0 : fetch.length;
    for ( int i = 0; i < count; i++ ) {
        hql.append( " left join fetch r." ).append( fetch[i] );
    }

    hql.append( "where j.folder.id = :folderId and r.privateID = :privateId" );

    return ( ReleaseFolderRecord ) em.createQuery( hql )
            .setParameter( "folderId", transitFolderID )
            .setParameter( "privateId", privateID )
            .getSingleResult();
}