| /* |
| * 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.common; |
| |
| import org.apache.hadoop.fs.FileStatus; |
| |
| import java.io.Serializable; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.stream.Collectors; |
| |
| /** |
| * Collects stats about a single partition clean operation. |
| */ |
| public class HoodieRollbackStat implements Serializable { |
| |
| // Partition path |
| private final String partitionPath; |
| private final List<String> successDeleteFiles; |
| // Files that could not be deleted |
| private final List<String> failedDeleteFiles; |
| // Count of HoodieLogFile to commandBlocks written for a particular rollback |
| private final Map<FileStatus, Long> commandBlocksCount; |
| |
| public HoodieRollbackStat(String partitionPath, List<String> successDeleteFiles, List<String> failedDeleteFiles, |
| Map<FileStatus, Long> commandBlocksCount) { |
| this.partitionPath = partitionPath; |
| this.successDeleteFiles = successDeleteFiles; |
| this.failedDeleteFiles = failedDeleteFiles; |
| this.commandBlocksCount = commandBlocksCount; |
| } |
| |
| public Map<FileStatus, Long> getCommandBlocksCount() { |
| return commandBlocksCount; |
| } |
| |
| public String getPartitionPath() { |
| return partitionPath; |
| } |
| |
| public List<String> getSuccessDeleteFiles() { |
| return successDeleteFiles; |
| } |
| |
| public List<String> getFailedDeleteFiles() { |
| return failedDeleteFiles; |
| } |
| |
| public static HoodieRollbackStat.Builder newBuilder() { |
| return new Builder(); |
| } |
| |
| /** |
| * A builder used to build {@link HoodieRollbackStat}. |
| */ |
| public static class Builder { |
| |
| private List<String> successDeleteFiles; |
| private List<String> failedDeleteFiles; |
| private Map<FileStatus, Long> commandBlocksCount; |
| private String partitionPath; |
| |
| public Builder withDeletedFileResults(Map<FileStatus, Boolean> deletedFiles) { |
| // noinspection Convert2MethodRef |
| successDeleteFiles = deletedFiles.entrySet().stream().filter(s -> s.getValue()) |
| .map(s -> s.getKey().getPath().toString()).collect(Collectors.toList()); |
| failedDeleteFiles = deletedFiles.entrySet().stream().filter(s -> !s.getValue()) |
| .map(s -> s.getKey().getPath().toString()).collect(Collectors.toList()); |
| return this; |
| } |
| |
| public Builder withDeletedFileResult(String fileName, boolean isDeleted) { |
| if (isDeleted) { |
| successDeleteFiles = Collections.singletonList(fileName); |
| } else { |
| failedDeleteFiles = Collections.singletonList(fileName); |
| } |
| return this; |
| } |
| |
| public Builder withRollbackBlockAppendResults(Map<FileStatus, Long> commandBlocksCount) { |
| this.commandBlocksCount = commandBlocksCount; |
| return this; |
| } |
| |
| public Builder withPartitionPath(String partitionPath) { |
| this.partitionPath = partitionPath; |
| return this; |
| } |
| |
| public HoodieRollbackStat build() { |
| if (successDeleteFiles == null) { |
| successDeleteFiles = Collections.EMPTY_LIST; |
| } |
| if (failedDeleteFiles == null) { |
| failedDeleteFiles = Collections.EMPTY_LIST; |
| } |
| if (commandBlocksCount == null) { |
| commandBlocksCount = Collections.EMPTY_MAP; |
| } |
| return new HoodieRollbackStat(partitionPath, successDeleteFiles, failedDeleteFiles, commandBlocksCount); |
| } |
| } |
| } |