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org.apache.hudi.common.fs.FSUtils Maven / Gradle / Ivy
/*
* 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.fs;
import org.apache.hudi.common.config.HoodieMetadataConfig;
import org.apache.hudi.common.engine.HoodieEngineContext;
import org.apache.hudi.common.model.HoodieFileFormat;
import org.apache.hudi.common.model.HoodieLogFile;
import org.apache.hudi.common.table.HoodieTableConfig;
import org.apache.hudi.common.table.HoodieTableMetaClient;
import org.apache.hudi.common.table.timeline.HoodieInstant;
import org.apache.hudi.common.util.Option;
import org.apache.hudi.common.util.StringUtils;
import org.apache.hudi.common.util.collection.ImmutablePair;
import org.apache.hudi.common.util.collection.Pair;
import org.apache.hudi.exception.HoodieException;
import org.apache.hudi.exception.HoodieIOException;
import org.apache.hudi.exception.HoodieValidationException;
import org.apache.hudi.exception.InvalidHoodieFileNameException;
import org.apache.hudi.exception.InvalidHoodiePathException;
import org.apache.hudi.metadata.HoodieTableMetadata;
import org.apache.hudi.storage.HoodieStorage;
import org.apache.hudi.storage.HoodieStorageUtils;
import org.apache.hudi.storage.StorageConfiguration;
import org.apache.hudi.storage.StoragePath;
import org.apache.hudi.storage.StoragePathFilter;
import org.apache.hudi.storage.StoragePathInfo;
import org.apache.hudi.storage.inline.InLineFSUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
import java.util.UUID;
import java.util.function.Function;
import java.util.function.Predicate;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.stream.Collectors;
import java.util.stream.Stream;
/**
* Utility functions related to accessing the file storage.
*/
public class FSUtils {
private static final Logger LOG = LoggerFactory.getLogger(FSUtils.class);
// Log files are of this pattern - .b5068208-e1a4-11e6-bf01-fe55135034f3_20170101134598.log.1_1-0-1
// Archive log files are of this pattern - .commits_.archive.1_1-0-1
public static final String PATH_SEPARATOR = "/";
public static final Pattern LOG_FILE_PATTERN =
Pattern.compile("^\\.(.+)_(.*)\\.(log|archive)\\.(\\d+)(_((\\d+)-(\\d+)-(\\d+))(.cdc)?)?");
public static final Pattern PREFIX_BY_FILE_ID_PATTERN = Pattern.compile("^(.+)-(\\d+)");
private static final Pattern BASE_FILE_PATTERN = Pattern.compile("[a-zA-Z0-9-]+_[a-zA-Z0-9-]+_[0-9]+\\.[a-zA-Z0-9]+");
private static final String LOG_FILE_EXTENSION = ".log";
private static final StoragePathFilter ALLOW_ALL_FILTER = file -> true;
/**
* Check if table already exists in the given path.
*
* @param path base path of the table.
* @param storage instance of {@link HoodieStorage}.
* @return {@code true} if table exists. {@code false} otherwise.
*/
public static boolean isTableExists(String path, HoodieStorage storage) throws IOException {
return storage.exists(new StoragePath(path, HoodieTableMetaClient.METAFOLDER_NAME));
}
/**
* Makes path qualified with {@link HoodieStorage}'s URI.
*
* @param storage instance of {@link HoodieStorage}.
* @param path to be qualified.
* @return qualified path, prefixed with the URI of the target HoodieStorage object provided.
*/
public static StoragePath makeQualified(HoodieStorage storage, StoragePath path) {
return path.makeQualified(storage.getUri());
}
/**
* A write token uniquely identifies an attempt at one of the IOHandle operations (Merge/Create/Append).
*/
public static String makeWriteToken(int taskPartitionId, int stageId, long taskAttemptId) {
return String.format("%d-%d-%d", taskPartitionId, stageId, taskAttemptId);
}
public static String makeBaseFileName(String instantTime, String writeToken, String fileId, String fileExtension) {
return String.format("%s_%s_%s%s", fileId, writeToken, instantTime, fileExtension);
}
public static String makeBootstrapIndexFileName(String instantTime, String fileId, String ext) {
return String.format("%s_%s_%s%s", fileId, "1-0-1", instantTime, ext);
}
public static String maskWithoutFileId(String instantTime, int taskPartitionId) {
return String.format("*_%s_%s%s", taskPartitionId, instantTime, HoodieTableConfig.BASE_FILE_FORMAT
.defaultValue().getFileExtension());
}
public static String getCommitFromCommitFile(String commitFileName) {
return HoodieInstant.extractTimestamp(commitFileName);
}
public static String getCommitTime(String fullFileName) {
try {
if (isLogFile(fullFileName)) {
return fullFileName.split("_")[1].split("\\.", 2)[0];
}
return fullFileName.split("_")[2].split("\\.", 2)[0];
} catch (ArrayIndexOutOfBoundsException e) {
throw new HoodieException("Failed to get commit time from filename: " + fullFileName, e);
}
}
public static long getFileSize(HoodieStorage storage, StoragePath path) throws IOException {
return storage.getPathInfo(path).getLength();
}
public static String getFileId(String fullFileName) {
return fullFileName.split("_", 2)[0];
}
/**
* Gets all partition paths assuming date partitioning (year, month, day) three levels down.
* TODO: (Lin) Delete this function after we remove the assume.date.partitioning config completely.
*/
public static List getAllPartitionFoldersThreeLevelsDown(HoodieStorage storage, String basePath) throws IOException {
List datePartitions = new ArrayList<>();
// Avoid listing and including any folders under the metafolder
StoragePathFilter filter = getExcludeMetaPathFilter();
List folders = storage.globEntries(new StoragePath(basePath + "/*/*/*"), filter);
for (StoragePathInfo pathInfo : folders) {
StoragePath path = pathInfo.getPath();
datePartitions.add(
String.format("%s/%s/%s", path.getParent().getParent().getName(), path.getParent().getName(),
path.getName()));
}
return datePartitions;
}
public static String getRelativePartitionPath(StoragePath basePath, StoragePath fullPartitionPath) {
basePath = getPathWithoutSchemeAndAuthority(basePath);
fullPartitionPath = getPathWithoutSchemeAndAuthority(fullPartitionPath);
String fullPartitionPathStr = fullPartitionPath.toString();
String basePathString = basePath.toString();
if (!fullPartitionPathStr.startsWith(basePathString)) {
throw new IllegalArgumentException("Partition path \"" + fullPartitionPathStr
+ "\" does not belong to base-path \"" + basePath + "\"");
}
// Partition-Path could be empty for non-partitioned tables
return fullPartitionPathStr.length() == basePathString.length() ? ""
: fullPartitionPathStr.substring(basePathString.length() + 1);
}
public static StoragePath getPathWithoutSchemeAndAuthority(StoragePath path) {
return path.getPathWithoutSchemeAndAuthority();
}
/**
* Recursively processes all files in the base-path. If excludeMetaFolder is set, the meta-folder and all its subdirs
* are skipped
*
* @param storage File System
* @param basePathStr Base-Path
* @param consumer Callback for processing
* @param excludeMetaFolder Exclude .hoodie folder
* @throws IOException -
*/
public static void processFiles(HoodieStorage storage, String basePathStr, Function consumer,
boolean excludeMetaFolder) throws IOException {
StoragePathFilter pathFilter = excludeMetaFolder ? getExcludeMetaPathFilter() : ALLOW_ALL_FILTER;
List topLevelInfoList = storage.listDirectEntries(new StoragePath(basePathStr));
for (StoragePathInfo child : topLevelInfoList) {
if (child.isFile()) {
boolean success = consumer.apply(child);
if (!success) {
throw new HoodieException("Failed to process file-status=" + child);
}
} else if (pathFilter.accept(child.getPath())) {
List list = storage.listFiles(child.getPath());
for (StoragePathInfo pathInfo : list) {
boolean success = consumer.apply(pathInfo);
if (!success) {
throw new HoodieException("Failed to process StoragePathInfo=" + pathInfo);
}
}
}
}
}
public static List getAllPartitionPaths(HoodieEngineContext engineContext,
HoodieStorage storage,
String basePathStr,
boolean useFileListingFromMetadata) {
HoodieMetadataConfig metadataConfig = HoodieMetadataConfig.newBuilder()
.enable(useFileListingFromMetadata)
.build();
try (HoodieTableMetadata tableMetadata = HoodieTableMetadata.create(engineContext, storage, metadataConfig, basePathStr)) {
return tableMetadata.getAllPartitionPaths();
} catch (Exception e) {
throw new HoodieException("Error fetching partition paths from metadata table", e);
}
}
public static List getAllPartitionPaths(HoodieEngineContext engineContext,
HoodieStorage storage,
HoodieMetadataConfig metadataConfig,
String basePathStr) {
try (HoodieTableMetadata tableMetadata = HoodieTableMetadata.create(engineContext, storage, metadataConfig,
basePathStr)) {
return tableMetadata.getAllPartitionPaths();
} catch (Exception e) {
throw new HoodieException("Error fetching partition paths from metadata table", e);
}
}
public static List getAllPartitionPaths(HoodieEngineContext engineContext,
HoodieStorage storage,
StoragePath basePath,
boolean useFileListingFromMetadata) {
return getAllPartitionPaths(engineContext, storage, basePath.toString(), useFileListingFromMetadata);
}
public static List getAllPartitionPaths(HoodieEngineContext engineContext,
HoodieStorage storage,
HoodieMetadataConfig metadataConfig,
StoragePath basePath) {
return getAllPartitionPaths(engineContext, storage, metadataConfig, basePath.toString());
}
public static Map> getFilesInPartitions(HoodieEngineContext engineContext,
HoodieStorage storage,
HoodieMetadataConfig metadataConfig,
String basePathStr,
String[] partitionPaths) {
try (HoodieTableMetadata tableMetadata = HoodieTableMetadata.create(engineContext, storage, metadataConfig,
basePathStr)) {
return tableMetadata.getAllFilesInPartitions(Arrays.asList(partitionPaths));
} catch (Exception ex) {
throw new HoodieException("Error get files in partitions: " + String.join(",", partitionPaths), ex);
}
}
public static String getFileExtension(String fullName) {
Objects.requireNonNull(fullName);
String fileName = new File(fullName).getName();
int dotIndex = fileName.lastIndexOf('.');
return dotIndex == -1 ? "" : fileName.substring(dotIndex);
}
private static StoragePathFilter getExcludeMetaPathFilter() {
// Avoid listing and including any folders under the metafolder
return (path) -> !path.toString().contains(HoodieTableMetaClient.METAFOLDER_NAME);
}
/**
* Returns a new unique prefix for creating a file group.
*/
public static String createNewFileIdPfx() {
return UUID.randomUUID().toString();
}
/**
* Returns prefix for a file group from fileId.
*/
public static String getFileIdPfxFromFileId(String fileId) {
Matcher matcher = PREFIX_BY_FILE_ID_PATTERN.matcher(fileId);
if (!matcher.find()) {
throw new HoodieValidationException("Failed to get prefix from " + fileId);
}
return matcher.group(1);
}
public static String createNewFileId(String idPfx, int id) {
return String.format("%s-%d", idPfx, id);
}
/**
* Get the file extension from the log file.
*/
public static String getFileExtensionFromLog(StoragePath logPath) {
Matcher matcher = LOG_FILE_PATTERN.matcher(logPath.getName());
if (!matcher.find()) {
throw new InvalidHoodiePathException(logPath.toString(), "LogFile");
}
return matcher.group(3);
}
public static String getFileIdFromFileName(String fileName) {
if (FSUtils.isLogFile(fileName)) {
Matcher matcher = LOG_FILE_PATTERN.matcher(fileName);
if (!matcher.find()) {
throw new InvalidHoodieFileNameException(fileName, "LogFile");
}
return matcher.group(1);
}
return FSUtils.getFileId(fileName);
}
public static String getFileIdFromLogPath(StoragePath path) {
Matcher matcher = LOG_FILE_PATTERN.matcher(path.getName());
if (!matcher.find()) {
throw new InvalidHoodiePathException(path, "LogFile");
}
return matcher.group(1);
}
public static String getFileIdFromFilePath(StoragePath filePath) {
if (FSUtils.isLogFile(filePath)) {
return FSUtils.getFileIdFromLogPath(filePath);
}
return FSUtils.getFileId(filePath.getName());
}
/**
* Get the second part of the file name in the log file. That will be the delta commit time.
*/
public static String getDeltaCommitTimeFromLogPath(StoragePath path) {
Matcher matcher = LOG_FILE_PATTERN.matcher(path.getName());
if (!matcher.find()) {
throw new InvalidHoodiePathException(path.toString(), "LogFile");
}
return matcher.group(2);
}
/**
* Get TaskPartitionId used in log-path.
*/
public static Integer getTaskPartitionIdFromLogPath(StoragePath path) {
Matcher matcher = LOG_FILE_PATTERN.matcher(path.getName());
if (!matcher.find()) {
throw new InvalidHoodiePathException(path.toString(), "LogFile");
}
String val = matcher.group(7);
return val == null ? null : Integer.parseInt(val);
}
/**
* Get Write-Token used in log-path.
*/
public static String getWriteTokenFromLogPath(StoragePath path) {
Matcher matcher = LOG_FILE_PATTERN.matcher(path.getName());
if (!matcher.find()) {
throw new InvalidHoodiePathException(path.toString(), "LogFile");
}
return matcher.group(6);
}
/**
* Get StageId used in log-path.
*/
public static Integer getStageIdFromLogPath(StoragePath path) {
Matcher matcher = LOG_FILE_PATTERN.matcher(path.getName());
if (!matcher.find()) {
throw new InvalidHoodiePathException(path.toString(), "LogFile");
}
String val = matcher.group(8);
return val == null ? null : Integer.parseInt(val);
}
/**
* Get Task Attempt Id used in log-path.
*/
public static Integer getTaskAttemptIdFromLogPath(StoragePath path) {
Matcher matcher = LOG_FILE_PATTERN.matcher(path.getName());
if (!matcher.find()) {
throw new InvalidHoodiePathException(path.toString(), "LogFile");
}
String val = matcher.group(9);
return val == null ? null : Integer.parseInt(val);
}
/**
* Get the last part of the file name in the log file and convert to int.
*/
public static int getFileVersionFromLog(StoragePath logPath) {
return getFileVersionFromLog(logPath.getName());
}
public static int getFileVersionFromLog(String logFileName) {
Matcher matcher = LOG_FILE_PATTERN.matcher(logFileName);
if (!matcher.find()) {
throw new HoodieIOException("Invalid log file name: " + logFileName);
}
return Integer.parseInt(matcher.group(4));
}
public static String makeLogFileName(String fileId, String logFileExtension, String deltaCommitTime, int version,
String writeToken) {
String suffix = (writeToken == null)
? String.format("%s_%s%s.%d", fileId, deltaCommitTime, logFileExtension, version)
: String.format("%s_%s%s.%d_%s", fileId, deltaCommitTime, logFileExtension, version, writeToken);
return HoodieLogFile.LOG_FILE_PREFIX + suffix;
}
public static boolean isBaseFile(StoragePath path) {
String extension = getFileExtension(path.getName());
if (HoodieFileFormat.BASE_FILE_EXTENSIONS.contains(extension)) {
return BASE_FILE_PATTERN.matcher(path.getName()).matches();
}
return false;
}
public static boolean isLogFile(StoragePath logPath) {
String scheme = logPath.toUri().getScheme();
return isLogFile(InLineFSUtils.SCHEME.equals(scheme)
? InLineFSUtils.getOuterFilePathFromInlinePath(logPath).getName() : logPath.getName());
}
public static boolean isLogFile(String fileName) {
if (fileName.contains(LOG_FILE_EXTENSION)) {
Matcher matcher = LOG_FILE_PATTERN.matcher(fileName);
return matcher.find();
}
return false;
}
public static boolean isDataFile(StoragePath path) {
return isBaseFile(path) || isLogFile(path);
}
public static List getAllDataFilesInPartition(HoodieStorage storage,
StoragePath partitionPath)
throws IOException {
final Set validFileExtensions = Arrays.stream(HoodieFileFormat.values())
.map(HoodieFileFormat::getFileExtension).collect(Collectors.toCollection(HashSet::new));
final String logFileExtension = HoodieFileFormat.HOODIE_LOG.getFileExtension();
try {
return storage.listDirectEntries(partitionPath, path -> {
String extension = FSUtils.getFileExtension(path.getName());
return validFileExtensions.contains(extension) || path.getName().contains(logFileExtension);
}).stream().filter(StoragePathInfo::isFile).collect(Collectors.toList());
} catch (IOException e) {
// return empty FileStatus if partition does not exist already
if (!storage.exists(partitionPath)) {
return Collections.emptyList();
} else {
throw e;
}
}
}
/**
* Get the latest log file for the passed in file-id in the partition path
*/
public static Option getLatestLogFile(HoodieStorage storage, StoragePath partitionPath, String fileId,
String logFileExtension, String deltaCommitTime) throws IOException {
return getLatestLogFile(getAllLogFiles(storage, partitionPath, fileId, logFileExtension, deltaCommitTime));
}
/**
* Get all the log files for the passed in file-id in the partition path.
*/
public static Stream getAllLogFiles(HoodieStorage storage, StoragePath partitionPath, final String fileId,
final String logFileExtension, final String deltaCommitTime) throws IOException {
try {
StoragePathFilter pathFilter = path -> path.getName().startsWith("." + fileId) && path.getName().contains(logFileExtension);
return storage.listDirectEntries(partitionPath, pathFilter).stream()
.map(HoodieLogFile::new)
.filter(s -> s.getDeltaCommitTime().equals(deltaCommitTime));
} catch (FileNotFoundException e) {
return Stream.of();
}
}
/**
* Get the latest log version for the fileId in the partition path.
*/
public static Option> getLatestLogVersion(HoodieStorage storage, StoragePath partitionPath,
final String fileId, final String logFileExtension, final String deltaCommitTime) throws IOException {
Option latestLogFile =
getLatestLogFile(getAllLogFiles(storage, partitionPath, fileId, logFileExtension, deltaCommitTime));
if (latestLogFile.isPresent()) {
return Option
.of(Pair.of(latestLogFile.get().getLogVersion(), latestLogFile.get().getLogWriteToken()));
}
return Option.empty();
}
public static void createPathIfNotExists(HoodieStorage storage, StoragePath partitionPath)
throws IOException {
if (!storage.exists(partitionPath)) {
storage.createDirectory(partitionPath);
}
}
public static Long getSizeInMB(long sizeInBytes) {
return sizeInBytes / (1024 * 1024);
}
public static StoragePath constructAbsolutePath(String basePath, String relativePartitionPath) {
if (StringUtils.isNullOrEmpty(relativePartitionPath)) {
return new StoragePath(basePath);
}
// NOTE: We have to chop leading "/" to make sure Hadoop does not treat it like
// absolute path
String properPartitionPath = relativePartitionPath.startsWith(PATH_SEPARATOR)
? relativePartitionPath.substring(1)
: relativePartitionPath;
return constructAbsolutePath(new StoragePath(basePath), properPartitionPath);
}
public static StoragePath constructAbsolutePath(StoragePath basePath, String relativePartitionPath) {
// For non-partitioned table, return only base-path
return StringUtils.isNullOrEmpty(relativePartitionPath) ? basePath : new StoragePath(basePath, relativePartitionPath);
}
/**
* Extracts the file name from the relative path based on the table base path. For example:
* "/2022/07/29/file1.parquet", "/2022/07/29" -> "file1.parquet"
* "2022/07/29/file2.parquet", "2022/07/29" -> "file2.parquet"
* "/file3.parquet", "" -> "file3.parquet"
* "file4.parquet", "" -> "file4.parquet"
*
* @param filePathWithPartition the relative file path based on the table base path.
* @param partition the relative partition path. For partitioned table, `partition` contains the relative partition path;
* for non-partitioned table, `partition` is empty
* @return Extracted file name in String.
*/
public static String getFileName(String filePathWithPartition, String partition) {
int offset = StringUtils.isNullOrEmpty(partition)
? (filePathWithPartition.startsWith("/") ? 1 : 0) : partition.length() + 1;
return filePathWithPartition.substring(offset);
}
/**
* Helper to filter out paths under metadata folder when running fs.globStatus.
*
* @param storage {@link HoodieStorage} instance.
* @param globPath Glob Path
* @return the file status list of globPath exclude the meta folder
* @throws IOException when having trouble listing the path
*/
public static List getGlobStatusExcludingMetaFolder(HoodieStorage storage,
StoragePath globPath)
throws IOException {
List statuses = storage.globEntries(globPath);
return statuses.stream()
.filter(fileStatus -> !fileStatus.getPath().toString()
.contains(HoodieTableMetaClient.METAFOLDER_NAME))
.collect(Collectors.toList());
}
/**
* Deletes a directory by deleting sub-paths in parallel on the file system.
*
* @param hoodieEngineContext {@code HoodieEngineContext} instance
* @param storage {@link HoodieStorage} instance.
* @param dirPath directory path.
* @param parallelism parallelism to use for sub-paths
* @return {@code true} if the directory is delete; {@code false} otherwise.
*/
public static boolean deleteDir(
HoodieEngineContext hoodieEngineContext, HoodieStorage storage, StoragePath dirPath, int parallelism) {
try {
if (storage.exists(dirPath)) {
FSUtils.parallelizeSubPathProcess(hoodieEngineContext, storage, dirPath, parallelism, e -> true,
pairOfSubPathAndConf -> deleteSubPath(
pairOfSubPathAndConf.getKey(), pairOfSubPathAndConf.getValue(), true)
);
boolean result = storage.deleteDirectory(dirPath);
LOG.info("Removed directory at " + dirPath);
return result;
}
} catch (IOException ioe) {
throw new HoodieIOException(ioe.getMessage(), ioe);
}
return false;
}
/**
* Processes sub-path in parallel.
*
* @param hoodieEngineContext {@link HoodieEngineContext} instance
* @param storage {@link HoodieStorage} instance
* @param dirPath directory path
* @param parallelism parallelism to use for sub-paths
* @param subPathPredicate predicate to use to filter sub-paths for processing
* @param pairFunction actual processing logic for each sub-path
* @param type of result to return for each sub-path
* @return a map of sub-path to result of the processing
*/
public static Map parallelizeSubPathProcess(
HoodieEngineContext hoodieEngineContext, HoodieStorage storage, StoragePath dirPath, int parallelism,
Predicate subPathPredicate, SerializableFunction>, T> pairFunction) {
Map result = new HashMap<>();
try {
List pathInfoList = storage.listDirectEntries(dirPath);
List subPaths = pathInfoList.stream()
.filter(subPathPredicate)
.map(fileStatus -> fileStatus.getPath().toString())
.collect(Collectors.toList());
result = parallelizeFilesProcess(hoodieEngineContext, storage, parallelism, pairFunction, subPaths);
} catch (IOException ioe) {
throw new HoodieIOException(ioe.getMessage(), ioe);
}
return result;
}
public static Map parallelizeFilesProcess(
HoodieEngineContext hoodieEngineContext,
HoodieStorage storage,
int parallelism,
SerializableFunction>, T> pairFunction,
List subPaths) {
Map result = new HashMap<>();
if (subPaths.size() > 0) {
StorageConfiguration storageConf = storage.getConf();
int actualParallelism = Math.min(subPaths.size(), parallelism);
hoodieEngineContext.setJobStatus(FSUtils.class.getSimpleName(),
"Parallel listing paths " + String.join(",", subPaths));
result = hoodieEngineContext.mapToPair(subPaths,
subPath -> new ImmutablePair<>(subPath, pairFunction.apply(new ImmutablePair<>(subPath, storageConf))),
actualParallelism);
}
return result;
}
/**
* Deletes a sub-path.
*
* @param subPathStr sub-path String
* @param conf storage config
* @param recursive is recursive or not
* @return {@code true} if the sub-path is deleted; {@code false} otherwise.
*/
public static boolean deleteSubPath(String subPathStr, StorageConfiguration conf, boolean recursive) {
try {
StoragePath subPath = new StoragePath(subPathStr);
HoodieStorage storage = HoodieStorageUtils.getStorage(subPath, conf);
if (recursive) {
return storage.deleteDirectory(subPath);
}
return storage.deleteFile(subPath);
} catch (IOException e) {
throw new HoodieIOException(e.getMessage(), e);
}
}
public static List getAllDataPathInfo(HoodieStorage storage, StoragePath path)
throws IOException {
List pathInfoList = new ArrayList<>();
for (StoragePathInfo pathInfo : storage.listDirectEntries(path)) {
if (!pathInfo.getPath().toString().contains(HoodieTableMetaClient.METAFOLDER_NAME)) {
if (pathInfo.isDirectory()) {
pathInfoList.addAll(getAllDataPathInfo(storage, pathInfo.getPath()));
} else {
pathInfoList.add(pathInfo);
}
}
}
return pathInfoList;
}
/**
* Serializable function interface.
*
* @param Input value type.
* @param Output value type.
*/
public interface SerializableFunction extends Function, Serializable {
}
private static Option getLatestLogFile(Stream logFiles) {
return Option.fromJavaOptional(logFiles.min(HoodieLogFile.getReverseLogFileComparator()));
}
}
