markap14 commented on code in PR #89:
URL: https://github.com/apache/nifi-api/pull/89#discussion_r3313257209
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src/main/java/org/apache/nifi/reporting/EventAccess.java:
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@@ -39,6 +41,22 @@ public interface EventAccess {
*/
ProcessGroupStatus getGroupStatus(final String groupId);
+ /**
+ * Returns one {@link ProcessGroupStatus} per Connector currently
registered with the runtime, each rooted at the
+ * Connector's managed Process Group. Connector-managed groups are
siblings of the root Process Group (they have no
+ * parent and are not reachable from {@link #getControllerStatus()}), so
reporting tasks that wish to surface metrics
+ * for connector-managed flows must consult this method in addition to
{@link #getControllerStatus()}.
+ *
+ * The default implementation returns an empty collection so that runtimes
without Connector support — and existing
+ * callers compiled against earlier versions of this interface — continue
to work unchanged.
+ *
+ * @return one status per Connector's managed Process Group; empty if no
Connectors are registered or if the runtime
+ * does not support Connectors
+ */
+ default Collection<ProcessGroupStatus> getConnectorStatuses() {
Review Comment:
Probably worth introducing a ConnectorStatus here, even if it's currently
just a wrapper around a ProcessGroupStatus. I suspect this will grow over time.
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