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Posted to jira@kafka.apache.org by "dajac (via GitHub)" <gi...@apache.org> on 2023/04/25 16:53:27 UTC
[GitHub] [kafka] dajac commented on a diff in pull request #13544: KAFKA-14462; [9/N] Add RecordHelpers
dajac commented on code in PR #13544:
URL: https://github.com/apache/kafka/pull/13544#discussion_r1176791643
##########
group-coordinator/src/main/java/org/apache/kafka/coordinator/group/RecordHelpers.java:
##########
@@ -0,0 +1,371 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.kafka.coordinator.group;
+
+import org.apache.kafka.common.Uuid;
+import org.apache.kafka.coordinator.group.consumer.ConsumerGroupMember;
+import org.apache.kafka.coordinator.group.consumer.TopicMetadata;
+import org.apache.kafka.coordinator.group.generated.ConsumerGroupCurrentMemberAssignmentKey;
+import org.apache.kafka.coordinator.group.generated.ConsumerGroupCurrentMemberAssignmentValue;
+import org.apache.kafka.coordinator.group.generated.ConsumerGroupMemberMetadataKey;
+import org.apache.kafka.coordinator.group.generated.ConsumerGroupMemberMetadataValue;
+import org.apache.kafka.coordinator.group.generated.ConsumerGroupMetadataKey;
+import org.apache.kafka.coordinator.group.generated.ConsumerGroupMetadataValue;
+import org.apache.kafka.coordinator.group.generated.ConsumerGroupPartitionMetadataKey;
+import org.apache.kafka.coordinator.group.generated.ConsumerGroupPartitionMetadataValue;
+import org.apache.kafka.coordinator.group.generated.ConsumerGroupTargetAssignmentMemberKey;
+import org.apache.kafka.coordinator.group.generated.ConsumerGroupTargetAssignmentMemberValue;
+import org.apache.kafka.coordinator.group.generated.ConsumerGroupTargetAssignmentMetadataKey;
+import org.apache.kafka.coordinator.group.generated.ConsumerGroupTargetAssignmentMetadataValue;
+import org.apache.kafka.server.common.ApiMessageAndVersion;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+/**
+ * This class contains helper methods to create records stored in
+ * the __consumer_offsets topic.
+ */
+public class RecordHelpers {
+ private RecordHelpers() {}
+
+ /**
+ * Creates a ConsumerGroupMemberMetadata record.
+ *
+ * @param groupId The consumer group id.
+ * @param member The consumer group member.
+ * @return The record.
+ */
+ public static Record newMemberSubscriptionRecord(
Review Comment:
I agree with you. I think that keeping `newMemberSubscriptionRecord` here and renaming the record make sense. However, I would prefer to do this later when all my PRs are merged. Does it work for you?
##########
group-coordinator/src/main/java/org/apache/kafka/coordinator/group/RecordHelpers.java:
##########
@@ -0,0 +1,371 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.kafka.coordinator.group;
+
+import org.apache.kafka.common.Uuid;
+import org.apache.kafka.coordinator.group.consumer.ConsumerGroupMember;
+import org.apache.kafka.coordinator.group.consumer.TopicMetadata;
+import org.apache.kafka.coordinator.group.generated.ConsumerGroupCurrentMemberAssignmentKey;
+import org.apache.kafka.coordinator.group.generated.ConsumerGroupCurrentMemberAssignmentValue;
+import org.apache.kafka.coordinator.group.generated.ConsumerGroupMemberMetadataKey;
+import org.apache.kafka.coordinator.group.generated.ConsumerGroupMemberMetadataValue;
+import org.apache.kafka.coordinator.group.generated.ConsumerGroupMetadataKey;
+import org.apache.kafka.coordinator.group.generated.ConsumerGroupMetadataValue;
+import org.apache.kafka.coordinator.group.generated.ConsumerGroupPartitionMetadataKey;
+import org.apache.kafka.coordinator.group.generated.ConsumerGroupPartitionMetadataValue;
+import org.apache.kafka.coordinator.group.generated.ConsumerGroupTargetAssignmentMemberKey;
+import org.apache.kafka.coordinator.group.generated.ConsumerGroupTargetAssignmentMemberValue;
+import org.apache.kafka.coordinator.group.generated.ConsumerGroupTargetAssignmentMetadataKey;
+import org.apache.kafka.coordinator.group.generated.ConsumerGroupTargetAssignmentMetadataValue;
+import org.apache.kafka.server.common.ApiMessageAndVersion;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+/**
+ * This class contains helper methods to create records stored in
+ * the __consumer_offsets topic.
+ */
+public class RecordHelpers {
+ private RecordHelpers() {}
+
+ /**
+ * Creates a ConsumerGroupMemberMetadata record.
+ *
+ * @param groupId The consumer group id.
+ * @param member The consumer group member.
+ * @return The record.
+ */
+ public static Record newMemberSubscriptionRecord(
+ String groupId,
+ ConsumerGroupMember member
+ ) {
+ return new Record(
+ new ApiMessageAndVersion(
+ new ConsumerGroupMemberMetadataKey()
+ .setGroupId(groupId)
+ .setMemberId(member.memberId()),
+ (short) 5
+ ),
+ new ApiMessageAndVersion(
+ new ConsumerGroupMemberMetadataValue()
+ .setRackId(member.rackId())
+ .setInstanceId(member.instanceId())
+ .setClientId(member.clientId())
+ .setClientHost(member.clientHost())
+ .setSubscribedTopicNames(member.subscribedTopicNames())
+ .setSubscribedTopicRegex(member.subscribedTopicRegex())
+ .setServerAssignor(member.serverAssignorName().orElse(null))
+ .setRebalanceTimeoutMs(member.rebalanceTimeoutMs())
+ .setAssignors(member.clientAssignors().stream().map(assignorState ->
+ new ConsumerGroupMemberMetadataValue.Assignor()
+ .setName(assignorState.name())
+ .setReason(assignorState.reason())
+ .setMinimumVersion(assignorState.minimumVersion())
+ .setMaximumVersion(assignorState.maximumVersion())
+ .setVersion(assignorState.metadata().version())
+ .setMetadata(assignorState.metadata().metadata().array())
+ ).collect(Collectors.toList())),
+ (short) 0
+ )
+ );
+ }
+
+ /**
+ * Creates a ConsumerGroupMemberMetadata tombstone.
+ *
+ * @param groupId The consumer group id.
+ * @param memberId The consumer group member id.
+ * @return The record.
+ */
+ public static Record newMemberSubscriptionTombstoneRecord(
+ String groupId,
+ String memberId
+ ) {
+ return new Record(
+ new ApiMessageAndVersion(
+ new ConsumerGroupMemberMetadataKey()
+ .setGroupId(groupId)
+ .setMemberId(memberId),
+ (short) 5
+ ),
+ null // Tombstone.
+ );
+ }
+
+ /**
+ * Creates a ConsumerGroupPartitionMetadata record.
+ *
+ * @param groupId The consumer group id.
+ * @param newSubscriptionMetadata The subscription metadata.
+ * @return The record.
+ */
+ public static Record newGroupSubscriptionMetadataRecord(
Review Comment:
See my previous reply.
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