fx19880617 commented on a change in pull request #5266:
URL: https://github.com/apache/incubator-pinot/pull/5266#discussion_r429123256
##########
File path:
pinot-common/src/main/java/org/apache/pinot/common/utils/ServiceStatus.java
##########
@@ -43,17 +44,79 @@
*/
@SuppressWarnings("unused")
public class ServiceStatus {
+ public static final String STATUS_DESCRIPTION_NONE = "None";
+ public static final String STATUS_DESCRIPTION_INIT = "Init";
+ public static final String STATUS_DESCRIPTION_STARTED = "Started";
+ public static final String STATUS_DESCRIPTION_NO_HELIX_STATE = "Helix state
does not exist";
private static final Logger LOGGER =
LoggerFactory.getLogger(ServiceStatus.class);
+ private static final int MAX_RESOURCE_NAMES_TO_LOG = 5;
+ private static final Map<String, ServiceStatusCallback>
serviceStatusCallbackMap = new ConcurrentHashMap<>();
+ private static final ServiceStatusCallback serviceStatusCallback =
+ new
MapBasedMultipleCallbackServiceStatusCallback(serviceStatusCallbackMap);
- public enum Status {
- STARTING, GOOD, BAD
+ public static void setServiceStatusCallback(String name,
ServiceStatusCallback serviceStatusCallback) {
+ ServiceStatus.serviceStatusCallbackMap.put(name, serviceStatusCallback);
}
- public static final String STATUS_DESCRIPTION_NONE = "None";
- public static final String STATUS_DESCRIPTION_INIT = "Init";
- public static final String STATUS_DESCRIPTION_NO_HELIX_STATE = "Helix state
does not exist";
+ public static void removeServiceStatusCallback(String name) {
+ ServiceStatus.serviceStatusCallbackMap.remove(name);
+ }
- private static final int MAX_RESOURCE_NAMES_TO_LOG = 5;
+ public static Status getServiceStatus() {
+ return getServiceStatus(serviceStatusCallback);
+ }
+
+ public static Status getServiceStatus(String name) {
+ if (serviceStatusCallbackMap.containsKey(name)) {
+ return getServiceStatus(serviceStatusCallbackMap.get(name));
+ } else {
+ return Status.NOT_STARTED;
Review comment:
We have status of `NOT_STARTED`, `STARTING`, `GOOD`, `BAD` for now.
I feel it's ok to say `NOT_STARTED` after we stop an instance, as it's still
possible to start a new instance later on.
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