@Override
public void registerForNotification(URI uri, Configuration conf, String user, String actionID)
throws URIHandlerException {
HCatURI hcatURI;
try {
hcatURI = new HCatURI(uri);
} catch (URISyntaxException e) {
throw new URIHandlerException(ErrorCode.E0906, uri, e);
}
HCatAccessorService hcatService = Services.get().get(HCatAccessorService.class);
if (!hcatService.isRegisteredForNotification(hcatURI)) {
HCatClient client = getHCatClient(uri, conf, user);
try {
String topic = client.getMessageBusTopicName(hcatURI.getDb(), hcatURI.getTable());
if (topic == null) {
return;
}
hcatService.registerForNotification(
hcatURI, topic, new HCatMessageHandler(uri.getAuthority()));
} catch (HCatException e) {
throw new HCatAccessorException(ErrorCode.E1501, e);
} finally {
closeQuietly(client, true);
}
}
PartitionDependencyManagerService pdmService =
Services.get().get(PartitionDependencyManagerService.class);
pdmService.addMissingDependency(hcatURI, actionID);
}
@Override
public boolean unregisterFromNotification(URI uri, String actionID) {
HCatURI hcatURI;
try {
hcatURI = new HCatURI(uri);
} catch (URISyntaxException e) {
throw new RuntimeException(e); // Unexpected at this point
}
PartitionDependencyManagerService pdmService =
Services.get().get(PartitionDependencyManagerService.class);
return pdmService.removeMissingDependency(hcatURI, actionID);
}