chia7712 commented on code in PR #18783:
URL: https://github.com/apache/kafka/pull/18783#discussion_r1940701966
##########
server-common/src/main/java/org/apache/kafka/server/common/TopicIdPartition.java:
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@@ -18,45 +18,15 @@
import org.apache.kafka.common.Uuid;
-import java.util.Objects;
-
/**
* Represents a partition using its unique topic Id and partition number.
+ * @param topicId Universally unique Id representing this topic partition.
+ * @param partitionId The partition Id.
*/
-public final class TopicIdPartition {
- private final Uuid topicId;
- private final int partitionId;
-
- public TopicIdPartition(Uuid topicId, int partitionId) {
- this.topicId = topicId;
- this.partitionId = partitionId;
- }
-
- /**
- * @return Universally unique Id representing this topic partition.
- */
- public Uuid topicId() {
- return topicId;
- }
-
- /**
- * @return The partition Id.
- */
- public int partitionId() {
- return partitionId;
- }
-
- @Override
- public boolean equals(Object o) {
- if (!(o instanceof TopicIdPartition other)) return false;
- return other.topicId.equals(topicId) && other.partitionId ==
partitionId;
- }
-
- @Override
- public int hashCode() {
- return Objects.hash(topicId, partitionId);
- }
-
+public record TopicIdPartition(
+ Uuid topicId,
+ int partitionId
+) {
@Override
public String toString() {
return topicId + ":" + partitionId;
Review Comment:
> In org.apache.kafka.server there is package-info.java
btw, in the server-common module the package `org.apache.kafka.server` has
no `package-info.java`
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