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KAFKA-18836 Make ConsumerGroupMetadata an interface #18977

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KAFKA-18836 Make ConsumerGroupMetadata an interface #18977

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8 changes: 8 additions & 0 deletions clients/src/main/java/org/apache/kafka/clients/consumer/ConsumerGroupMetadata.java
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,10 @@ public class ConsumerGroupMetadata {
private final String memberId;
private final Optional<String> groupInstanceId;

/**
* @deprecated Since 4.1, please use {@link KafkaConsumer#groupMetadata()} instead. This class will be an interface in Kafka 5.0.
*/
@Deprecated
public ConsumerGroupMetadata(String groupId,
int generationId,
String memberId,
Expand All @@ -41,6 +45,10 @@ public ConsumerGroupMetadata(String groupId,
this.groupInstanceId = Objects.requireNonNull(groupInstanceId, "group.instance.id can't be null");
}

/**
* @deprecated Since 4.1, please use {@link KafkaConsumer#groupMetadata()} instead. This class will be an interface in Kafka 5.0.
*/
@Deprecated
public ConsumerGroupMetadata(String groupId) {
this(groupId,
JoinGroupRequest.UNKNOWN_GENERATION_ID,
Expand Down