if (refreshingPeriod != TangoDataSourceFactory.DEFAULT_SLEEPING_PERIOD) {
IDataSourceProducer producer = DataSourceProducerProvider
.getProducer(TangoDataSourceFactory.SOURCE_PRODUCER_ID);
if ((producer instanceof AbstractRefreshingManager<?>) && (key != null)) {
((AbstractRefreshingManager<?>) producer).setRefreshingStrategy(key,
new PolledRefreshingStrategy(refreshingPeriod));
}
}
}