kafka ListPartitionReassignmentsRequest 源码
kafka ListPartitionReassignmentsRequest 代码
文件路径:/clients/src/main/java/org/apache/kafka/common/requests/ListPartitionReassignmentsRequest.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.message.ListPartitionReassignmentsRequestData;
import org.apache.kafka.common.message.ListPartitionReassignmentsResponseData;
import org.apache.kafka.common.message.ListPartitionReassignmentsResponseData.OngoingPartitionReassignment;
import org.apache.kafka.common.message.ListPartitionReassignmentsResponseData.OngoingTopicReassignment;
import org.apache.kafka.common.protocol.ApiKeys;
import org.apache.kafka.common.protocol.ByteBufferAccessor;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
import static org.apache.kafka.common.message.ListPartitionReassignmentsRequestData.ListPartitionReassignmentsTopics;
public class ListPartitionReassignmentsRequest extends AbstractRequest {
public static class Builder extends AbstractRequest.Builder<ListPartitionReassignmentsRequest> {
private final ListPartitionReassignmentsRequestData data;
public Builder(ListPartitionReassignmentsRequestData data) {
super(ApiKeys.LIST_PARTITION_REASSIGNMENTS);
this.data = data;
}
@Override
public ListPartitionReassignmentsRequest build(short version) {
return new ListPartitionReassignmentsRequest(data, version);
}
@Override
public String toString() {
return data.toString();
}
}
private ListPartitionReassignmentsRequestData data;
private ListPartitionReassignmentsRequest(ListPartitionReassignmentsRequestData data, short version) {
super(ApiKeys.LIST_PARTITION_REASSIGNMENTS, version);
this.data = data;
}
public static ListPartitionReassignmentsRequest parse(ByteBuffer buffer, short version) {
return new ListPartitionReassignmentsRequest(new ListPartitionReassignmentsRequestData(
new ByteBufferAccessor(buffer), version), version);
}
@Override
public ListPartitionReassignmentsRequestData data() {
return data;
}
@Override
public AbstractResponse getErrorResponse(int throttleTimeMs, Throwable e) {
ApiError apiError = ApiError.fromThrowable(e);
List<OngoingTopicReassignment> ongoingTopicReassignments = new ArrayList<>();
if (data.topics() != null) {
for (ListPartitionReassignmentsTopics topic : data.topics()) {
ongoingTopicReassignments.add(
new OngoingTopicReassignment()
.setName(topic.name())
.setPartitions(topic.partitionIndexes().stream().map(partitionIndex ->
new OngoingPartitionReassignment().setPartitionIndex(partitionIndex)).collect(Collectors.toList()))
);
}
}
ListPartitionReassignmentsResponseData responseData = new ListPartitionReassignmentsResponseData()
.setTopics(ongoingTopicReassignments)
.setErrorCode(apiError.error().code())
.setErrorMessage(apiError.message())
.setThrottleTimeMs(throttleTimeMs);
return new ListPartitionReassignmentsResponse(responseData);
}
}
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