| /* |
| * Copyright (c) 2016 Uber Technologies, Inc. (hoodie-dev-group@uber.com) |
| * |
| * Licensed 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 com.uber.hoodie.common.table; |
| |
| import com.uber.hoodie.common.model.FileSlice; |
| import com.uber.hoodie.common.model.HoodieDataFile; |
| import com.uber.hoodie.common.model.HoodieFileGroup; |
| import java.util.List; |
| import java.util.stream.Stream; |
| |
| /** |
| * Interface for viewing the table file system. |
| * |
| * @since 0.3.0 |
| */ |
| public interface TableFileSystemView { |
| |
| /** |
| * ReadOptimizedView - methods to provide a view of columnar data files only. |
| */ |
| interface ReadOptimizedView { |
| |
| /** |
| * Stream all the latest data files in the given partition |
| */ |
| Stream<HoodieDataFile> getLatestDataFiles(String partitionPath); |
| |
| /** |
| * Stream all the latest data files, in the file system view |
| */ |
| Stream<HoodieDataFile> getLatestDataFiles(); |
| |
| /** |
| * Stream all the latest version data files in the given partition with precondition that |
| * commitTime(file) before maxCommitTime |
| */ |
| Stream<HoodieDataFile> getLatestDataFilesBeforeOrOn(String partitionPath, |
| String maxCommitTime); |
| |
| /** |
| * Stream all the latest data files pass |
| */ |
| Stream<HoodieDataFile> getLatestDataFilesInRange(List<String> commitsToReturn); |
| |
| /** |
| * Stream all the data file versions grouped by FileId for a given partition |
| */ |
| Stream<HoodieDataFile> getAllDataFiles(String partitionPath); |
| } |
| |
| /** |
| * RealtimeView - methods to access a combination of columnar data files + log files with real |
| * time data. |
| */ |
| interface RealtimeView { |
| |
| /** |
| * Stream all the latest file slices in the given partition |
| */ |
| Stream<FileSlice> getLatestFileSlices(String partitionPath); |
| |
| /** |
| * Stream all the latest file slices in the given partition with precondition that |
| * commitTime(file) before maxCommitTime |
| */ |
| Stream<FileSlice> getLatestFileSlicesBeforeOrOn(String partitionPath, |
| String maxCommitTime); |
| |
| /** |
| * Stream all the latest file slices, in the given range |
| */ |
| Stream<FileSlice> getLatestFileSliceInRange(List<String> commitsToReturn); |
| |
| /** |
| * Stream all the file slices for a given partition, latest or not. |
| */ |
| Stream<FileSlice> getAllFileSlices(String partitionPath); |
| } |
| |
| /** |
| * Stream all the file groups for a given partition |
| */ |
| Stream<HoodieFileGroup> getAllFileGroups(String partitionPath); |
| } |