UrlSpaceConfigurer usc = new UrlSpaceConfigurer(_spaceUrl);
LocalCacheSpaceConfigurer lcsc = new LocalCacheSpaceConfigurer(usc.space());
GigaSpaceConfigurer gigaSpaceConfigurer = new GigaSpaceConfigurer(usc.space());
_space = gigaSpaceConfigurer.gigaSpace();
_query = new SQLQuery(SessionData.class, "expiryTime < ?");
}