| /* |
| * 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.io; |
| |
| import org.apache.hudi.common.model.HoodieBaseFile; |
| import org.apache.hudi.common.model.HoodieKey; |
| import org.apache.hudi.common.model.HoodieRecordLocation; |
| import org.apache.hudi.common.model.HoodieRecordPayload; |
| import org.apache.hudi.common.util.ParquetUtils; |
| import org.apache.hudi.common.util.collection.Pair; |
| import org.apache.hudi.config.HoodieWriteConfig; |
| import org.apache.hudi.table.HoodieTable; |
| |
| import org.apache.hadoop.fs.Path; |
| |
| import java.util.Iterator; |
| |
| import scala.Tuple2; |
| |
| /** |
| * {@link HoodieRecordLocation} fetch handle for all records from {@link HoodieBaseFile} of interest. |
| * |
| * @param <T> |
| */ |
| public class HoodieKeyLocationFetchHandle<T extends HoodieRecordPayload, I, K, O> extends HoodieReadHandle<T, I, K, O> { |
| |
| private final Pair<String, HoodieBaseFile> partitionPathBaseFilePair; |
| |
| public HoodieKeyLocationFetchHandle(HoodieWriteConfig config, HoodieTable<T, I, K, O> hoodieTable, |
| Pair<String, HoodieBaseFile> partitionPathBaseFilePair) { |
| super(config, null, hoodieTable, Pair.of(partitionPathBaseFilePair.getLeft(), partitionPathBaseFilePair.getRight().getFileId())); |
| this.partitionPathBaseFilePair = partitionPathBaseFilePair; |
| } |
| |
| public Iterator<Tuple2<HoodieKey, HoodieRecordLocation>> locations() { |
| HoodieBaseFile baseFile = partitionPathBaseFilePair.getRight(); |
| return ParquetUtils.fetchRecordKeyPartitionPathFromParquet(hoodieTable.getHadoopConf(), new Path(baseFile.getPath())).stream() |
| .map(entry -> new Tuple2<>(entry, |
| new HoodieRecordLocation(baseFile.getCommitTime(), baseFile.getFileId()))).iterator(); |
| } |
| } |