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/*
* 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.WriteTxnMarkersRequestData;
import org.apache.kafka.common.message.WriteTxnMarkersRequestData.WritableTxnMarker;
import org.apache.kafka.common.message.WriteTxnMarkersRequestData.WritableTxnMarkerTopic;
import org.apache.kafka.common.protocol.ApiKeys;
import org.apache.kafka.common.protocol.Errors;
import org.apache.kafka.common.protocol.types.Struct;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
public class WriteTxnMarkersRequest extends AbstractRequest {
public static class TxnMarkerEntry {
private final long producerId;
private final short producerEpoch;
private final int coordinatorEpoch;
private final TransactionResult result;
private final List partitions;
public TxnMarkerEntry(long producerId,
short producerEpoch,
int coordinatorEpoch,
TransactionResult result,
List partitions) {
this.producerId = producerId;
this.producerEpoch = producerEpoch;
this.coordinatorEpoch = coordinatorEpoch;
this.result = result;
this.partitions = partitions;
}
public long producerId() {
return producerId;
}
public short producerEpoch() {
return producerEpoch;
}
public int coordinatorEpoch() {
return coordinatorEpoch;
}
public TransactionResult transactionResult() {
return result;
}
public List partitions() {
return partitions;
}
@Override
public String toString() {
return "TxnMarkerEntry{" +
"producerId=" + producerId +
", producerEpoch=" + producerEpoch +
", coordinatorEpoch=" + coordinatorEpoch +
", result=" + result +
", partitions=" + partitions +
'}';
}
@Override
public boolean equals(final Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
final TxnMarkerEntry that = (TxnMarkerEntry) o;
return producerId == that.producerId &&
producerEpoch == that.producerEpoch &&
coordinatorEpoch == that.coordinatorEpoch &&
result == that.result &&
Objects.equals(partitions, that.partitions);
}
@Override
public int hashCode() {
return Objects.hash(producerId, producerEpoch, coordinatorEpoch, result, partitions);
}
}
public static class Builder extends AbstractRequest.Builder {
public final WriteTxnMarkersRequestData data;
public Builder(final List markers) {
super(ApiKeys.WRITE_TXN_MARKERS);
List dataMarkers = new ArrayList<>();
for (TxnMarkerEntry marker : markers) {
final Map topicMap = new HashMap<>();
for (TopicPartition topicPartition : marker.partitions) {
WritableTxnMarkerTopic topic = topicMap.getOrDefault(topicPartition.topic(),
new WritableTxnMarkerTopic()
.setName(topicPartition.topic()));
topic.partitionIndexes().add(topicPartition.partition());
topicMap.put(topicPartition.topic(), topic);
}
dataMarkers.add(new WritableTxnMarker()
.setProducerId(marker.producerId)
.setProducerEpoch(marker.producerEpoch)
.setCoordinatorEpoch(marker.coordinatorEpoch)
.setTransactionResult(marker.transactionResult().id)
.setTopics(new ArrayList<>(topicMap.values())));
}
this.data = new WriteTxnMarkersRequestData().setMarkers(dataMarkers);
}
@Override
public WriteTxnMarkersRequest build(short version) {
return new WriteTxnMarkersRequest(data, version);
}
}
public final WriteTxnMarkersRequestData data;
private WriteTxnMarkersRequest(WriteTxnMarkersRequestData data, short version) {
super(ApiKeys.WRITE_TXN_MARKERS, version);
this.data = data;
}
public WriteTxnMarkersRequest(Struct struct, short version) {
super(ApiKeys.WRITE_TXN_MARKERS, version);
this.data = new WriteTxnMarkersRequestData(struct, version);
}
@Override
protected Struct toStruct() {
return data.toStruct(version());
}
@Override
public WriteTxnMarkersResponse getErrorResponse(int throttleTimeMs, Throwable e) {
Errors error = Errors.forException(e);
final Map> errors = new HashMap<>(data.markers().size());
for (WritableTxnMarker markerEntry : data.markers()) {
Map errorsPerPartition = new HashMap<>();
for (WritableTxnMarkerTopic topic : markerEntry.topics()) {
for (Integer partitionIdx : topic.partitionIndexes()) {
errorsPerPartition.put(new TopicPartition(topic.name(), partitionIdx), error);
}
}
errors.put(markerEntry.producerId(), errorsPerPartition);
}
return new WriteTxnMarkersResponse(errors);
}
public List markers() {
List markers = new ArrayList<>();
for (WritableTxnMarker markerEntry : data.markers()) {
List topicPartitions = new ArrayList<>();
for (WritableTxnMarkerTopic topic : markerEntry.topics()) {
for (Integer partitionIdx : topic.partitionIndexes()) {
topicPartitions.add(new TopicPartition(topic.name(), partitionIdx));
}
}
markers.add(new TxnMarkerEntry(
markerEntry.producerId(),
markerEntry.producerEpoch(),
markerEntry.coordinatorEpoch(),
TransactionResult.forId(markerEntry.transactionResult()),
topicPartitions)
);
}
return markers;
}
public static WriteTxnMarkersRequest parse(ByteBuffer buffer, short version) {
return new WriteTxnMarkersRequest(ApiKeys.WRITE_TXN_MARKERS.parseRequest(version, buffer), version);
}
@Override
public boolean equals(final Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
final WriteTxnMarkersRequest that = (WriteTxnMarkersRequest) o;
return Objects.equals(this.data, that.data);
}
@Override
public int hashCode() {
return Objects.hash(this.data);
}
}
