kafka DescribeProducersRequest 源码
kafka DescribeProducersRequest 代码
文件路径:/clients/src/main/java/org/apache/kafka/common/requests/DescribeProducersRequest.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.DescribeProducersRequestData;
import org.apache.kafka.common.message.DescribeProducersRequestData.TopicRequest;
import org.apache.kafka.common.message.DescribeProducersResponseData;
import org.apache.kafka.common.message.DescribeProducersResponseData.PartitionResponse;
import org.apache.kafka.common.message.DescribeProducersResponseData.TopicResponse;
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;
public class DescribeProducersRequest extends AbstractRequest {
public static class Builder extends AbstractRequest.Builder<DescribeProducersRequest> {
public final DescribeProducersRequestData data;
public Builder(DescribeProducersRequestData data) {
super(ApiKeys.DESCRIBE_PRODUCERS);
this.data = data;
}
public DescribeProducersRequestData.TopicRequest addTopic(String topic) {
DescribeProducersRequestData.TopicRequest topicRequest =
new DescribeProducersRequestData.TopicRequest().setName(topic);
data.topics().add(topicRequest);
return topicRequest;
}
@Override
public DescribeProducersRequest build(short version) {
return new DescribeProducersRequest(data, version);
}
@Override
public String toString() {
return data.toString();
}
}
private final DescribeProducersRequestData data;
private DescribeProducersRequest(DescribeProducersRequestData data, short version) {
super(ApiKeys.DESCRIBE_PRODUCERS, version);
this.data = data;
}
@Override
public DescribeProducersRequestData data() {
return data;
}
@Override
public DescribeProducersResponse getErrorResponse(int throttleTimeMs, Throwable e) {
Errors error = Errors.forException(e);
DescribeProducersResponseData response = new DescribeProducersResponseData();
for (TopicRequest topicRequest : data.topics()) {
TopicResponse topicResponse = new TopicResponse()
.setName(topicRequest.name());
for (int partitionId : topicRequest.partitionIndexes()) {
topicResponse.partitions().add(
new PartitionResponse()
.setPartitionIndex(partitionId)
.setErrorCode(error.code())
);
}
response.topics().add(topicResponse);
}
return new DescribeProducersResponse(response);
}
public static DescribeProducersRequest parse(ByteBuffer buffer, short version) {
return new DescribeProducersRequest(new DescribeProducersRequestData(
new ByteBufferAccessor(buffer), version), version);
}
@Override
public String toString(boolean verbose) {
return data.toString();
}
}
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