kafka RemoteLogSegmentMetadataUpdateTransform 源码
kafka RemoteLogSegmentMetadataUpdateTransform 代码
文件路径:/storage/src/main/java/org/apache/kafka/server/log/remote/metadata/storage/serialization/RemoteLogSegmentMetadataUpdateTransform.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.server.log.remote.metadata.storage.serialization;
import org.apache.kafka.common.TopicIdPartition;
import org.apache.kafka.common.TopicPartition;
import org.apache.kafka.server.common.ApiMessageAndVersion;
import org.apache.kafka.server.log.remote.metadata.storage.generated.RemoteLogSegmentMetadataUpdateRecord;
import org.apache.kafka.server.log.remote.storage.RemoteLogSegmentId;
import org.apache.kafka.server.log.remote.storage.RemoteLogSegmentMetadataUpdate;
import org.apache.kafka.server.log.remote.storage.RemoteLogSegmentState;
public class RemoteLogSegmentMetadataUpdateTransform implements RemoteLogMetadataTransform<RemoteLogSegmentMetadataUpdate> {
public ApiMessageAndVersion toApiMessageAndVersion(RemoteLogSegmentMetadataUpdate segmentMetadataUpdate) {
RemoteLogSegmentMetadataUpdateRecord record = new RemoteLogSegmentMetadataUpdateRecord()
.setRemoteLogSegmentId(createRemoteLogSegmentIdEntry(segmentMetadataUpdate))
.setBrokerId(segmentMetadataUpdate.brokerId())
.setEventTimestampMs(segmentMetadataUpdate.eventTimestampMs())
.setRemoteLogSegmentState(segmentMetadataUpdate.state().id());
return new ApiMessageAndVersion(record, record.highestSupportedVersion());
}
public RemoteLogSegmentMetadataUpdate fromApiMessageAndVersion(ApiMessageAndVersion apiMessageAndVersion) {
RemoteLogSegmentMetadataUpdateRecord record = (RemoteLogSegmentMetadataUpdateRecord) apiMessageAndVersion.message();
RemoteLogSegmentMetadataUpdateRecord.RemoteLogSegmentIdEntry entry = record.remoteLogSegmentId();
TopicIdPartition topicIdPartition = new TopicIdPartition(entry.topicIdPartition().id(),
new TopicPartition(entry.topicIdPartition().name(), entry.topicIdPartition().partition()));
return new RemoteLogSegmentMetadataUpdate(new RemoteLogSegmentId(topicIdPartition, entry.id()),
record.eventTimestampMs(), RemoteLogSegmentState.forId(record.remoteLogSegmentState()), record.brokerId());
}
private RemoteLogSegmentMetadataUpdateRecord.RemoteLogSegmentIdEntry createRemoteLogSegmentIdEntry(RemoteLogSegmentMetadataUpdate data) {
return new RemoteLogSegmentMetadataUpdateRecord.RemoteLogSegmentIdEntry()
.setId(data.remoteLogSegmentId().id())
.setTopicIdPartition(
new RemoteLogSegmentMetadataUpdateRecord.TopicIdPartitionEntry()
.setName(data.remoteLogSegmentId().topicIdPartition().topic())
.setPartition(data.remoteLogSegmentId().topicIdPartition().partition())
.setId(data.remoteLogSegmentId().topicIdPartition().topicId()));
}
}
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