org.apache.hudi.common.table.timeline.dto.FileGroupDTO Maven / Gradle / Ivy
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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,
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* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hudi.common.table.timeline.dto;
import org.apache.hudi.common.model.HoodieFileGroup;
import org.apache.hudi.common.table.timeline.HoodieTimeline;
import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
import com.fasterxml.jackson.annotation.JsonProperty;
import java.util.List;
import java.util.stream.Collectors;
/**
* The data transfer object of file group.
*/
@JsonIgnoreProperties(ignoreUnknown = true)
public class FileGroupDTO {
@JsonProperty("partition")
String partition;
@JsonProperty("fileId")
String id;
@JsonProperty("slices")
List slices;
@JsonProperty("timeline")
TimelineDTO timeline;
public static FileGroupDTO fromFileGroup(HoodieFileGroup fileGroup, boolean includeTimeline) {
FileGroupDTO dto = new FileGroupDTO();
dto.partition = fileGroup.getPartitionPath();
dto.id = fileGroup.getFileGroupId().getFileId();
dto.slices = fileGroup.getAllRawFileSlices().map(FileSliceDTO::fromFileSlice).collect(Collectors.toList());
if (includeTimeline) {
dto.timeline = TimelineDTO.fromTimeline(fileGroup.getTimeline());
}
return dto;
}
public static HoodieFileGroup toFileGroup(FileGroupDTO dto, HoodieTimeline fgTimeline) {
HoodieFileGroup fileGroup = new HoodieFileGroup(dto.partition, dto.id, fgTimeline);
dto.slices.stream().map(FileSliceDTO::toFileSlice).forEach(fileGroup::addFileSlice);
return fileGroup;
}
}