| /* |
| * 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.HoodieRecordPayload; |
| import org.apache.hudi.common.util.collection.Pair; |
| import org.apache.hudi.config.HoodieWriteConfig; |
| import org.apache.hudi.io.storage.HoodieFileReader; |
| import org.apache.hudi.io.storage.HoodieFileReaderFactory; |
| import org.apache.hudi.table.HoodieTable; |
| |
| import java.io.IOException; |
| |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| |
| /** |
| * Base class for read operations done logically on the file group. |
| */ |
| public abstract class HoodieReadHandle<T extends HoodieRecordPayload, I, K, O> extends HoodieIOHandle<T, I, K, O> { |
| |
| protected final Pair<String, String> partitionPathFilePair; |
| |
| public HoodieReadHandle(HoodieWriteConfig config, String instantTime, HoodieTable<T, I, K, O> hoodieTable, |
| Pair<String, String> partitionPathFilePair) { |
| super(config, instantTime, hoodieTable); |
| this.partitionPathFilePair = partitionPathFilePair; |
| } |
| |
| @Override |
| protected FileSystem getFileSystem() { |
| return hoodieTable.getMetaClient().getFs(); |
| } |
| |
| public Pair<String, String> getPartitionPathFilePair() { |
| return partitionPathFilePair; |
| } |
| |
| public String getFileId() { |
| return partitionPathFilePair.getRight(); |
| } |
| |
| protected HoodieBaseFile getLatestDataFile() { |
| return hoodieTable.getBaseFileOnlyView() |
| .getLatestBaseFile(partitionPathFilePair.getLeft(), partitionPathFilePair.getRight()).get(); |
| } |
| |
| protected HoodieFileReader createNewFileReader() throws IOException { |
| return HoodieFileReaderFactory.getFileReader(hoodieTable.getHadoopConf(), |
| new Path(getLatestDataFile().getPath())); |
| } |
| } |