Github user StephanEwen commented on a diff in the pull request:
https://github.com/apache/flink/pull/2418#discussion_r85145059
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/metrics/groups/AbstractMetricGroup.java
---
@@ -112,6 +116,43 @@ public AbstractMetricGroup(MetricRegistry registry,
String[] scope, A parent) {
}
/**
+ * Returns the logical scope of this group, for example
+ * {@code "taskmanager.job.task"}
+ *
+ * @param filter character filter which is applied to the scope
components
+ * @return logical scope
+ */
+ public String getLogicalScope(CharacterFilter filter) {
+ return getLogicalScope(filter, registry.getDelimiter());
+ }
+
+ /**
+ * Returns the logical scope of this group, for example
+ * {@code "taskmanager.job.task"}
+ *
+ * @param filter character filter which is applied to the scope
components
+ * @return logical scope
+ */
+ public String getLogicalScope(CharacterFilter filter, Character
delimiter) {
--- End diff --
Can this be a primitive `char`?
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