kafka DescribeQuorumResponse 源码
kafka DescribeQuorumResponse 代码
文件路径:/clients/src/main/java/org/apache/kafka/common/requests/DescribeQuorumResponse.java
/*
* 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.common.requests;
import org.apache.kafka.common.TopicPartition;
import org.apache.kafka.common.message.DescribeQuorumResponseData;
import org.apache.kafka.common.protocol.ApiKeys;
import org.apache.kafka.common.protocol.ByteBufferAccessor;
import org.apache.kafka.common.protocol.Errors;
import java.nio.ByteBuffer;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
/**
* Possible error codes.
*
* Top level errors:
* - {@link Errors#CLUSTER_AUTHORIZATION_FAILED}
* - {@link Errors#BROKER_NOT_AVAILABLE}
*
* Partition level errors:
* - {@link Errors#NOT_LEADER_OR_FOLLOWER}
* - {@link Errors#UNKNOWN_TOPIC_OR_PARTITION}
*/
public class DescribeQuorumResponse extends AbstractResponse {
private final DescribeQuorumResponseData data;
public DescribeQuorumResponse(DescribeQuorumResponseData data) {
super(ApiKeys.DESCRIBE_QUORUM);
this.data = data;
}
@Override
public Map<Errors, Integer> errorCounts() {
Map<Errors, Integer> errors = new HashMap<>();
errors.put(Errors.forCode(data.errorCode()), 1);
for (DescribeQuorumResponseData.TopicData topicResponse : data.topics()) {
for (DescribeQuorumResponseData.PartitionData partitionResponse : topicResponse.partitions()) {
updateErrorCounts(errors, Errors.forCode(partitionResponse.errorCode()));
}
}
return errors;
}
@Override
public DescribeQuorumResponseData data() {
return data;
}
@Override
public int throttleTimeMs() {
return DEFAULT_THROTTLE_TIME;
}
@Override
public void maybeSetThrottleTimeMs(int throttleTimeMs) {
// Not supported by the response schema
}
public static DescribeQuorumResponseData singletonErrorResponse(
TopicPartition topicPartition,
Errors error
) {
return new DescribeQuorumResponseData()
.setTopics(Collections.singletonList(new DescribeQuorumResponseData.TopicData()
.setTopicName(topicPartition.topic())
.setPartitions(Collections.singletonList(new DescribeQuorumResponseData.PartitionData()
.setPartitionIndex(topicPartition.partition())
.setErrorCode(error.code())))));
}
public static DescribeQuorumResponseData singletonResponse(
TopicPartition topicPartition,
DescribeQuorumResponseData.PartitionData partitionData
) {
return new DescribeQuorumResponseData()
.setTopics(Collections.singletonList(new DescribeQuorumResponseData.TopicData()
.setTopicName(topicPartition.topic())
.setPartitions(Collections.singletonList(partitionData
.setPartitionIndex(topicPartition.partition())))));
}
public static DescribeQuorumResponse parse(ByteBuffer buffer, short version) {
return new DescribeQuorumResponse(new DescribeQuorumResponseData(new ByteBufferAccessor(buffer), version));
}
}
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