rreddy-22 commented on code in PR #15152:
URL: https://github.com/apache/kafka/pull/15152#discussion_r1464109057
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group-coordinator/src/main/java/org/apache/kafka/coordinator/group/GroupMetadataManager.java:
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@@ -452,21 +453,39 @@ public Group group(String groupId, long committedOffset)
throws GroupIdNotFoundE
/**
* Get the Group List.
*
- * @param statesFilter The states of the groups we want to list.
- * If empty all groups are returned with their state.
- * @param committedOffset A specified committed offset corresponding to
this shard
+ * @param statesFilter The states of the groups we want to list.
+ * If empty, all groups are returned with their
state.
+ * @param typesFilter The types of the groups we want to list.
+ * If empty, all groups are returned with their
type.
+ * @param committedOffset A specified committed offset corresponding to
this shard.
*
* @return A list containing the ListGroupsResponseData.ListedGroup
*/
+ public List<ListGroupsResponseData.ListedGroup> listGroups(
+ Set<String> statesFilter,
+ Set<String> typesFilter,
+ long committedOffset
+ ) {
+ // Convert typesFilter to lowercase to make the filter
case-insensitive.
+ Set<String> lowerCaseTypesFilter = typesFilter.stream()
+ .map(String::toLowerCase)
+ .collect(Collectors.toCollection(HashSet::new));
+
+ Predicate<Group> combinedFilter = group -> {
+ boolean stateCheck = statesFilter.isEmpty() ||
statesFilter.contains(group.stateAsString(committedOffset));
+ boolean typeCheck = lowerCaseTypesFilter.isEmpty() ||
+
lowerCaseTypesFilter.contains(group.type().toString().toLowerCase());
Review Comment:
I think I understand what you're saying. I'll add a way to parse any string
and convert it to the necessary case to compare and determine which type it is
in the group type enum. However, since some of these changes are on the client
side can we do it in the second PR? That way I can test it as well. I could
remove the lower case conversion here and then directly handle it there or we
could change it there directly as an optimization just to be safe. What do you
think?
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