| /* |
| * 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.iceberg; |
| |
| import java.io.IOException; |
| import java.util.List; |
| import org.apache.iceberg.avro.Avro; |
| import org.apache.iceberg.exceptions.RuntimeIOException; |
| import org.apache.iceberg.io.CloseableIterable; |
| import org.apache.iceberg.io.InputFile; |
| import org.apache.iceberg.io.OutputFile; |
| import org.apache.iceberg.relocated.com.google.common.base.Preconditions; |
| import org.apache.iceberg.relocated.com.google.common.collect.Lists; |
| |
| class ManifestLists { |
| private ManifestLists() {} |
| |
| static List<ManifestFile> read(InputFile manifestList) { |
| try (CloseableIterable<ManifestFile> files = |
| Avro.read(manifestList) |
| .rename("manifest_file", GenericManifestFile.class.getName()) |
| .rename("partitions", GenericPartitionFieldSummary.class.getName()) |
| .rename("r508", GenericPartitionFieldSummary.class.getName()) |
| .classLoader(GenericManifestFile.class.getClassLoader()) |
| .project(ManifestFile.schema()) |
| .reuseContainers(false) |
| .build()) { |
| |
| return Lists.newLinkedList(files); |
| |
| } catch (IOException e) { |
| throw new RuntimeIOException( |
| e, "Cannot read manifest list file: %s", manifestList.location()); |
| } |
| } |
| |
| static ManifestListWriter write( |
| int formatVersion, |
| OutputFile manifestListFile, |
| long snapshotId, |
| Long parentSnapshotId, |
| long sequenceNumber) { |
| switch (formatVersion) { |
| case 1: |
| Preconditions.checkArgument( |
| sequenceNumber == TableMetadata.INITIAL_SEQUENCE_NUMBER, |
| "Invalid sequence number for v1 manifest list: %s", |
| sequenceNumber); |
| return new ManifestListWriter.V1Writer(manifestListFile, snapshotId, parentSnapshotId); |
| case 2: |
| return new ManifestListWriter.V2Writer( |
| manifestListFile, snapshotId, parentSnapshotId, sequenceNumber); |
| } |
| throw new UnsupportedOperationException( |
| "Cannot write manifest list for table version: " + formatVersion); |
| } |
| } |