kafka AlterReplicaLogDirsRequest 源码
kafka AlterReplicaLogDirsRequest 代码
文件路径:/clients/src/main/java/org/apache/kafka/common/requests/AlterReplicaLogDirsRequest.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.protocol.ApiKeys;
import org.apache.kafka.common.protocol.ByteBufferAccessor;
import org.apache.kafka.common.protocol.Errors;
import java.nio.ByteBuffer;
import java.util.HashMap;
import java.util.Map;
import java.util.stream.Collectors;
import org.apache.kafka.common.message.AlterReplicaLogDirsRequestData;
import org.apache.kafka.common.message.AlterReplicaLogDirsResponseData;
import org.apache.kafka.common.message.AlterReplicaLogDirsResponseData.AlterReplicaLogDirTopicResult;
public class AlterReplicaLogDirsRequest extends AbstractRequest {
private final AlterReplicaLogDirsRequestData data;
public static class Builder extends AbstractRequest.Builder<AlterReplicaLogDirsRequest> {
private final AlterReplicaLogDirsRequestData data;
public Builder(AlterReplicaLogDirsRequestData data) {
super(ApiKeys.ALTER_REPLICA_LOG_DIRS);
this.data = data;
}
@Override
public AlterReplicaLogDirsRequest build(short version) {
return new AlterReplicaLogDirsRequest(data, version);
}
@Override
public String toString() {
return data.toString();
}
}
public AlterReplicaLogDirsRequest(AlterReplicaLogDirsRequestData data, short version) {
super(ApiKeys.ALTER_REPLICA_LOG_DIRS, version);
this.data = data;
}
@Override
public AlterReplicaLogDirsRequestData data() {
return data;
}
public AlterReplicaLogDirsResponse getErrorResponse(int throttleTimeMs, Throwable e) {
AlterReplicaLogDirsResponseData data = new AlterReplicaLogDirsResponseData();
data.setResults(this.data.dirs().stream().flatMap(alterDir ->
alterDir.topics().stream().map(topic ->
new AlterReplicaLogDirTopicResult()
.setTopicName(topic.name())
.setPartitions(topic.partitions().stream().map(partitionId ->
new AlterReplicaLogDirsResponseData.AlterReplicaLogDirPartitionResult()
.setErrorCode(Errors.forException(e).code())
.setPartitionIndex(partitionId)).collect(Collectors.toList())))).collect(Collectors.toList()));
return new AlterReplicaLogDirsResponse(data.setThrottleTimeMs(throttleTimeMs));
}
public Map<TopicPartition, String> partitionDirs() {
Map<TopicPartition, String> result = new HashMap<>();
data.dirs().forEach(alterDir ->
alterDir.topics().forEach(topic ->
topic.partitions().forEach(partition ->
result.put(new TopicPartition(topic.name(), partition.intValue()), alterDir.path())))
);
return result;
}
public static AlterReplicaLogDirsRequest parse(ByteBuffer buffer, short version) {
return new AlterReplicaLogDirsRequest(new AlterReplicaLogDirsRequestData(new ByteBufferAccessor(buffer), version), version);
}
}
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