/**
* Cancels the {@link SourcePollerRunner} thread that had been previously scheduled to run at
* specific intervals. Invoked by the CatalogFramework's blueprint when the framework is
* unregistered/uninstalled.
*
* @param framework unused, but required by blueprint
* @param properties unused, but required by blueprint
*/
public void cancel(CatalogFramework framework, Map properties) {
LOGGER.debug("Cancelling scheduled polling.");
runner.shutdown();
handle.cancel(true);
scheduler.shutdownNow();
}
/**
* Retrieves a {@link CachedSource} which contains cached values from the specified {@link
* Source}. Returns a {@link Source} with values from the last polling interval. If the {@link
* Source} is not known, null is returned.
*
* @param source the source to get the {@link CachedSource} for
* @return a {@link CachedSource} which contains cached values
*/
public CachedSource getCachedSource(Source source) {
return runner.getCachedSource(source);
}
