| /* |
| * 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.hudi.index; |
| |
| import org.apache.hudi.client.common.HoodieEngineContext; |
| import org.apache.hudi.common.model.HoodieBaseFile; |
| import org.apache.hudi.common.model.HoodieRecord; |
| import org.apache.hudi.common.model.HoodieRecordLocation; |
| import org.apache.hudi.common.table.timeline.HoodieInstant; |
| import org.apache.hudi.common.util.Option; |
| import org.apache.hudi.common.util.collection.Pair; |
| import org.apache.hudi.table.HoodieTable; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import static java.util.stream.Collectors.toList; |
| |
| /** |
| * Hoodie Index Utilities. |
| */ |
| public class HoodieIndexUtils { |
| |
| /** |
| * Fetches Pair of partition path and {@link HoodieBaseFile}s for interested partitions. |
| * |
| * @param partitions list of partitions of interest |
| * @param context instance of {@link HoodieEngineContext} to use |
| * @param hoodieTable instance of {@link HoodieTable} of interest |
| * @return the list of Pairs of partition path and fileId |
| */ |
| public static List<Pair<String, HoodieBaseFile>> getLatestBaseFilesForAllPartitions(final List<String> partitions, |
| final HoodieEngineContext context, |
| final HoodieTable hoodieTable) { |
| context.setJobStatus(HoodieIndexUtils.class.getSimpleName(), "Load latest base files from all partitions"); |
| return context.flatMap(partitions, partitionPath -> { |
| Option<HoodieInstant> latestCommitTime = hoodieTable.getMetaClient().getCommitsTimeline() |
| .filterCompletedInstants().lastInstant(); |
| List<Pair<String, HoodieBaseFile>> filteredFiles = new ArrayList<>(); |
| if (latestCommitTime.isPresent()) { |
| filteredFiles = hoodieTable.getBaseFileOnlyView() |
| .getLatestBaseFilesBeforeOrOn(partitionPath, latestCommitTime.get().getTimestamp()) |
| .map(f -> Pair.of(partitionPath, f)) |
| .collect(toList()); |
| } |
| return filteredFiles.stream(); |
| }, Math.max(partitions.size(), 1)); |
| } |
| |
| /** |
| * Get tagged record for the passed in {@link HoodieRecord}. |
| * |
| * @param inputRecord instance of {@link HoodieRecord} for which tagging is requested |
| * @param location {@link HoodieRecordLocation} for the passed in {@link HoodieRecord} |
| * @return the tagged {@link HoodieRecord} |
| */ |
| public static HoodieRecord getTaggedRecord(HoodieRecord inputRecord, Option<HoodieRecordLocation> location) { |
| HoodieRecord record = inputRecord; |
| if (location.isPresent()) { |
| // When you have a record in multiple files in the same partition, then rowKeyRecordPairRDD |
| // will have 2 entries with the same exact in memory copy of the HoodieRecord and the 2 |
| // separate filenames that the record is found in. This will result in setting |
| // currentLocation 2 times and it will fail the second time. So creating a new in memory |
| // copy of the hoodie record. |
| record = new HoodieRecord<>(inputRecord); |
| record.unseal(); |
| record.setCurrentLocation(location.get()); |
| record.seal(); |
| } |
| return record; |
| } |
| } |