Package com.google.cloud.hadoop.fs.gcs

Class GoogleHadoopFileSystem

  • All Implemented Interfaces:
    Closeable, AutoCloseable, org.apache.hadoop.conf.Configurable, org.apache.hadoop.fs.PathCapabilities, org.apache.hadoop.fs.statistics.IOStatisticsSource, org.apache.hadoop.security.token.DelegationTokenIssuer
    public class GoogleHadoopFileSystem
extends org.apache.hadoop.fs.FileSystem
implements org.apache.hadoop.fs.statistics.IOStatisticsSource
    GoogleHadoopFileSystem is rooted in a single bucket at initialization time; in this case, Hadoop paths no longer correspond directly to general GCS paths, and all Hadoop operations going through this FileSystem will never touch any GCS bucket other than the bucket on which this FileSystem is rooted.

    This implementation sacrifices a small amount of cross-bucket interoperability in favor of more straightforward FileSystem semantics and compatibility with existing Hadoop applications. In particular, it is not subject to bucket-naming constraints, and files are allowed to be placed in root.

    • Field Summary

      Fields 
      Modifier and Type Field Description
      static String SCHEME
      URI scheme for GoogleHadoopFileSystem

      • Fields inherited from class org.apache.hadoop.fs.FileSystem

        DEFAULT_FS, FS_DEFAULT_NAME_KEY, LOG, SHUTDOWN_HOOK_PRIORITY, statistics, TRASH_PREFIX, USER_HOME_PREFIX

    • Constructor Summary

      Constructors 
      Constructor Description
      GoogleHadoopFileSystem()
      Constructs an instance of GoogleHadoopFileSystem; the internal GoogleCloudStorageFileSystem will be set up with config settings when initialize() is called.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      org.apache.hadoop.fs.FSDataOutputStream append​(org.apache.hadoop.fs.Path hadoopPath, int bufferSize, org.apache.hadoop.util.Progressable progress)
      Appends to an existing file (optional operation).
      protected void checkPath​(org.apache.hadoop.fs.Path path)  
      void close()  
      void completeLocalOutput​(org.apache.hadoop.fs.Path fsOutputFile, org.apache.hadoop.fs.Path tmpLocalFile)  
      void concat​(org.apache.hadoop.fs.Path tgt, org.apache.hadoop.fs.Path[] srcs)
      Concat existing files into one file.
      void copyFromLocalFile​(boolean delSrc, boolean overwrite, org.apache.hadoop.fs.Path[] srcs, org.apache.hadoop.fs.Path dst)  
      void copyFromLocalFile​(boolean delSrc, boolean overwrite, org.apache.hadoop.fs.Path src, org.apache.hadoop.fs.Path dst)  
      void copyToLocalFile​(boolean delSrc, org.apache.hadoop.fs.Path src, org.apache.hadoop.fs.Path dst)  
      org.apache.hadoop.fs.FSDataOutputStream create​(org.apache.hadoop.fs.Path hadoopPath, org.apache.hadoop.fs.permission.FsPermission permission, boolean overwrite, int bufferSize, short replication, long blockSize, org.apache.hadoop.util.Progressable progress)  
      org.apache.hadoop.fs.FSDataOutputStream createNonRecursive​(org.apache.hadoop.fs.Path hadoopPath, org.apache.hadoop.fs.permission.FsPermission permission, EnumSet<org.apache.hadoop.fs.CreateFlag> flags, int bufferSize, short replication, long blockSize, org.apache.hadoop.util.Progressable progress)  
      boolean delete​(org.apache.hadoop.fs.Path hadoopPath, boolean recursive)  
      boolean deleteOnExit​(org.apache.hadoop.fs.Path f)  
      boolean exists​(org.apache.hadoop.fs.Path f)  
      String getCanonicalServiceName()
      org.apache.hadoop.fs.ContentSummary getContentSummary​(org.apache.hadoop.fs.Path f)  
      long getDefaultBlockSize()  
      protected int getDefaultPort()
      The default port is listed as -1 as an indication that ports are not used.
      short getDefaultReplication()
      Gets the default replication factor.
      org.apache.hadoop.security.token.Token<?> getDelegationToken​(String renewer)  
      org.apache.hadoop.fs.FileChecksum getFileChecksum​(org.apache.hadoop.fs.Path hadoopPath)  
      org.apache.hadoop.fs.FileStatus getFileStatus​(org.apache.hadoop.fs.Path hadoopPath)  
      GoogleCloudStorageFileSystem getGcsFs()
      Gets GCS FS instance.
      GhfsGlobalStorageStatistics getGlobalGcsStorageStatistics()
      Get the storage statistics of this filesystem.
      org.apache.hadoop.fs.Path getHomeDirectory()
      Returns home directory of the current user.
      GhfsInstrumentation getInstrumentation()  
      org.apache.hadoop.fs.statistics.IOStatistics getIOStatistics()
      Get the instrumentation's IOStatistics.
      String getScheme()  
      GhfsStorageStatistics getStorageStatistics()
      Get the storage statistics of this filesystem.
      URI getUri()
      Returns a URI of the root of this FileSystem.
      long getUsed()  
      Supplier<VectoredIOImpl> getVectoredIOSupplier()  
      org.apache.hadoop.fs.Path getWorkingDirectory()
      Gets the current working directory.
      byte[] getXAttr​(org.apache.hadoop.fs.Path path, String name)  
      Map<String,​byte[]> getXAttrs​(org.apache.hadoop.fs.Path path)  
      Map<String,​byte[]> getXAttrs​(org.apache.hadoop.fs.Path path, List<String> names)  
      org.apache.hadoop.fs.FileStatus[] globStatus​(org.apache.hadoop.fs.Path pathPattern)
      Returns an array of FileStatus objects whose path names match pathPattern.
      org.apache.hadoop.fs.FileStatus[] globStatus​(org.apache.hadoop.fs.Path pathPattern, org.apache.hadoop.fs.PathFilter filter)  
      boolean hasPathCapability​(org.apache.hadoop.fs.Path path, String capability)  
      void initialize​(URI path, org.apache.hadoop.conf.Configuration config)  
      org.apache.hadoop.fs.RemoteIterator<org.apache.hadoop.fs.LocatedFileStatus> listLocatedStatus​(org.apache.hadoop.fs.Path f)  
      org.apache.hadoop.fs.FileStatus[] listStatus​(org.apache.hadoop.fs.Path hadoopPath)  
      List<String> listXAttrs​(org.apache.hadoop.fs.Path path)  
      org.apache.hadoop.fs.Path makeQualified​(org.apache.hadoop.fs.Path path)
      Overridden to make root its own parent.
      boolean mkdirs​(org.apache.hadoop.fs.Path hadoopPath, org.apache.hadoop.fs.permission.FsPermission permission)  
      org.apache.hadoop.fs.FSDataInputStream open​(org.apache.hadoop.fs.Path hadoopPath, int bufferSize)  
      CompletableFuture<org.apache.hadoop.fs.FSDataInputStream> openFileWithOptions​(org.apache.hadoop.fs.Path hadoopPath, org.apache.hadoop.fs.impl.OpenFileParameters parameters)
      Initiate the open operation.
      protected void processDeleteOnExit()  
      void removeXAttr​(org.apache.hadoop.fs.Path path, String name)
      boolean rename​(org.apache.hadoop.fs.Path src, org.apache.hadoop.fs.Path dst)  
      void setOwner​(org.apache.hadoop.fs.Path p, String username, String groupname)  
      void setPermission​(org.apache.hadoop.fs.Path p, org.apache.hadoop.fs.permission.FsPermission permission)  
      void setTimes​(org.apache.hadoop.fs.Path p, long mtime, long atime)  
      void setVerifyChecksum​(boolean verifyChecksum)  
      void setWorkingDirectory​(org.apache.hadoop.fs.Path hadoopPath)  
      void setXAttr​(org.apache.hadoop.fs.Path path, String name, byte[] value, EnumSet<org.apache.hadoop.fs.XAttrSetFlag> flags)
      org.apache.hadoop.fs.Path startLocalOutput​(org.apache.hadoop.fs.Path fsOutputFile, org.apache.hadoop.fs.Path tmpLocalFile)  

      • Methods inherited from class org.apache.hadoop.fs.FileSystem

        access, append, append, append, append, appendFile, areSymlinksEnabled, cancelDeleteOnExit, canonicalizeUri, clearStatistics, closeAll, closeAllForUGI, copyFromLocalFile, copyFromLocalFile, copyToLocalFile, copyToLocalFile, create, create, create, create, create, create, create, create, create, create, create, create, createDataInputStreamBuilder, createDataInputStreamBuilder, createDataOutputStreamBuilder, createFile, createMultipartUploader, createNewFile, createNonRecursive, createNonRecursive, createPathHandle, createSnapshot, createSnapshot, createSymlink, delete, deleteSnapshot, enableSymlinks, fixRelativePart, get, get, get, getAclStatus, getAdditionalTokenIssuers, getAllStatistics, getAllStoragePolicies, getBlockSize, getCanonicalUri, getChildFileSystems, getDefaultBlockSize, getDefaultReplication, getDefaultUri, getFileBlockLocations, getFileBlockLocations, getFileChecksum, getFileLinkStatus, getFileSystemClass, getFSofPath, getGlobalStorageStatistics, getInitialWorkingDirectory, getLength, getLinkTarget, getLocal, getName, getNamed, getPathHandle, getQuotaUsage, getReplication, getServerDefaults, getServerDefaults, getStatistics, getStatistics, getStatus, getStatus, getStoragePolicy, getTrashRoot, getTrashRoots, getUsed, isDirectory, isFile, listCorruptFileBlocks, listFiles, listLocatedStatus, listStatus, listStatus, listStatus, listStatusBatch, listStatusIterator, mkdirs, mkdirs, modifyAclEntries, moveFromLocalFile, moveFromLocalFile, moveToLocalFile, msync, newInstance, newInstance, newInstance, newInstanceLocal, open, open, open, openFile, openFile, openFileWithOptions, primitiveCreate, primitiveMkdir, primitiveMkdir, printStatistics, removeAcl, removeAclEntries, removeDefaultAcl, rename, renameSnapshot, resolveLink, resolvePath, satisfyStoragePolicy, setAcl, setDefaultUri, setDefaultUri, setQuota, setQuotaByStorageType, setReplication, setStoragePolicy, setWriteChecksum, setXAttr, supportsSymlinks, truncate, unsetStoragePolicy

      • Methods inherited from class org.apache.hadoop.conf.Configured

        getConf, setConf

      • Methods inherited from interface org.apache.hadoop.security.token.DelegationTokenIssuer

        addDelegationTokens

    • Constructor Detail

      • GoogleHadoopFileSystem

        public GoogleHadoopFileSystem()
        Constructs an instance of GoogleHadoopFileSystem; the internal GoogleCloudStorageFileSystem will be set up with config settings when initialize() is called.

    • Method Detail

      • initialize

        public void initialize​(URI path,
                       org.apache.hadoop.conf.Configuration config)
                throws IOException
        Overrides:
        initialize in class org.apache.hadoop.fs.FileSystem
        Throws:
        IOException

      • checkPath

        protected void checkPath​(org.apache.hadoop.fs.Path path)
        Overrides:
        checkPath in class org.apache.hadoop.fs.FileSystem

      • getScheme

        public String getScheme()
        Overrides:
        getScheme in class org.apache.hadoop.fs.FileSystem

      • open

        public org.apache.hadoop.fs.FSDataInputStream open​(org.apache.hadoop.fs.Path hadoopPath,
                                                   int bufferSize)
                                            throws IOException
        Specified by:
        open in class org.apache.hadoop.fs.FileSystem
        Throws:
        IOException

      • create

        public org.apache.hadoop.fs.FSDataOutputStream create​(org.apache.hadoop.fs.Path hadoopPath,
                                                      org.apache.hadoop.fs.permission.FsPermission permission,
                                                      boolean overwrite,
                                                      int bufferSize,
                                                      short replication,
                                                      long blockSize,
                                                      org.apache.hadoop.util.Progressable progress)
                                               throws IOException
        Specified by:
        create in class org.apache.hadoop.fs.FileSystem
        Throws:
        IOException

      • createNonRecursive

        public org.apache.hadoop.fs.FSDataOutputStream createNonRecursive​(org.apache.hadoop.fs.Path hadoopPath,
                                                                  org.apache.hadoop.fs.permission.FsPermission permission,
                                                                  EnumSet<org.apache.hadoop.fs.CreateFlag> flags,
                                                                  int bufferSize,
                                                                  short replication,
                                                                  long blockSize,
                                                                  org.apache.hadoop.util.Progressable progress)
                                                           throws IOException
        Overrides:
        createNonRecursive in class org.apache.hadoop.fs.FileSystem
        Throws:
        IOException

      • rename

        public boolean rename​(org.apache.hadoop.fs.Path src,
                      org.apache.hadoop.fs.Path dst)
               throws IOException
        Specified by:
        rename in class org.apache.hadoop.fs.FileSystem
        Throws:
        IOException

      • delete

        public boolean delete​(org.apache.hadoop.fs.Path hadoopPath,
                      boolean recursive)
               throws IOException
        Specified by:
        delete in class org.apache.hadoop.fs.FileSystem
        Throws:
        IOException

      • listStatus

        public org.apache.hadoop.fs.FileStatus[] listStatus​(org.apache.hadoop.fs.Path hadoopPath)
                                             throws IOException
        Specified by:
        listStatus in class org.apache.hadoop.fs.FileSystem
        Throws:
        IOException

      • mkdirs

        public boolean mkdirs​(org.apache.hadoop.fs.Path hadoopPath,
                      org.apache.hadoop.fs.permission.FsPermission permission)
               throws IOException
        Specified by:
        mkdirs in class org.apache.hadoop.fs.FileSystem
        Throws:
        IOException

      • getFileStatus

        public org.apache.hadoop.fs.FileStatus getFileStatus​(org.apache.hadoop.fs.Path hadoopPath)
                                              throws IOException
        Specified by:
        getFileStatus in class org.apache.hadoop.fs.FileSystem
        Throws:
        IOException

      • globStatus

        public org.apache.hadoop.fs.FileStatus[] globStatus​(org.apache.hadoop.fs.Path pathPattern,
                                                    org.apache.hadoop.fs.PathFilter filter)
                                             throws IOException
        Overrides:
        globStatus in class org.apache.hadoop.fs.FileSystem
        Throws:
        IOException

      • getDelegationToken

        public org.apache.hadoop.security.token.Token<?> getDelegationToken​(String renewer)
                                                             throws IOException
        Specified by:
        getDelegationToken in interface org.apache.hadoop.security.token.DelegationTokenIssuer
        Overrides:
        getDelegationToken in class org.apache.hadoop.fs.FileSystem
        Throws:
        IOException

      • copyFromLocalFile

        public void copyFromLocalFile​(boolean delSrc,
                              boolean overwrite,
                              org.apache.hadoop.fs.Path[] srcs,
                              org.apache.hadoop.fs.Path dst)
                       throws IOException
        Overrides:
        copyFromLocalFile in class org.apache.hadoop.fs.FileSystem
        Throws:
        IOException

      • copyFromLocalFile

        public void copyFromLocalFile​(boolean delSrc,
                              boolean overwrite,
                              org.apache.hadoop.fs.Path src,
                              org.apache.hadoop.fs.Path dst)
                       throws IOException
        Overrides:
        copyFromLocalFile in class org.apache.hadoop.fs.FileSystem
        Throws:
        IOException

      • getFileChecksum

        public org.apache.hadoop.fs.FileChecksum getFileChecksum​(org.apache.hadoop.fs.Path hadoopPath)
                                                  throws IOException
        Overrides:
        getFileChecksum in class org.apache.hadoop.fs.FileSystem
        Throws:
        IOException

      • exists

        public boolean exists​(org.apache.hadoop.fs.Path f)
               throws IOException
        Overrides:
        exists in class org.apache.hadoop.fs.FileSystem
        Throws:
        IOException

      • listLocatedStatus

        public org.apache.hadoop.fs.RemoteIterator<org.apache.hadoop.fs.LocatedFileStatus> listLocatedStatus​(org.apache.hadoop.fs.Path f)
                                                                                              throws IOException
        Overrides:
        listLocatedStatus in class org.apache.hadoop.fs.FileSystem
        Throws:
        IOException

      • getXAttr

        public byte[] getXAttr​(org.apache.hadoop.fs.Path path,
                       String name)
                throws IOException
        Overrides:
        getXAttr in class org.apache.hadoop.fs.FileSystem
        Throws:
        IOException

      • getXAttrs

        public Map<String,​byte[]> getXAttrs​(org.apache.hadoop.fs.Path path)
                                   throws IOException
        Overrides:
        getXAttrs in class org.apache.hadoop.fs.FileSystem
        Throws:
        IOException

      • getXAttrs

        public Map<String,​byte[]> getXAttrs​(org.apache.hadoop.fs.Path path,
                                          List<String> names)
                                   throws IOException
        Overrides:
        getXAttrs in class org.apache.hadoop.fs.FileSystem
        Throws:
        IOException

      • listXAttrs

        public List<String> listXAttrs​(org.apache.hadoop.fs.Path path)
                        throws IOException
        Overrides:
        listXAttrs in class org.apache.hadoop.fs.FileSystem
        Throws:
        IOException

      • getGlobalGcsStorageStatistics

        public GhfsGlobalStorageStatistics getGlobalGcsStorageStatistics()
        Get the storage statistics of this filesystem.
        Returns:
        the storage statistics

      • getStorageStatistics

        public GhfsStorageStatistics getStorageStatistics()
        Get the storage statistics of this filesystem.
        Overrides:
        getStorageStatistics in class org.apache.hadoop.fs.FileSystem
        Returns:
        the storage statistics

      • getIOStatistics

        public org.apache.hadoop.fs.statistics.IOStatistics getIOStatistics()
        Get the instrumentation's IOStatistics.
        Specified by:
        getIOStatistics in interface org.apache.hadoop.fs.statistics.IOStatisticsSource

      • makeQualified

        public org.apache.hadoop.fs.Path makeQualified​(org.apache.hadoop.fs.Path path)
        Overridden to make root its own parent. This is POSIX compliant, but more importantly guards against poor directory accounting in the PathData class of Hadoop 2's FsShell.
        Overrides:
        makeQualified in class org.apache.hadoop.fs.FileSystem

      • getUri

        public URI getUri()
        Returns a URI of the root of this FileSystem.
        Specified by:
        getUri in class org.apache.hadoop.fs.FileSystem

      • getDefaultPort

        protected int getDefaultPort()
        The default port is listed as -1 as an indication that ports are not used.
        Overrides:
        getDefaultPort in class org.apache.hadoop.fs.FileSystem

      • hasPathCapability

        public boolean hasPathCapability​(org.apache.hadoop.fs.Path path,
                                 String capability)
        Specified by:
        hasPathCapability in interface org.apache.hadoop.fs.PathCapabilities
        Overrides:
        hasPathCapability in class org.apache.hadoop.fs.FileSystem

      • openFileWithOptions

        public CompletableFuture<org.apache.hadoop.fs.FSDataInputStream> openFileWithOptions​(org.apache.hadoop.fs.Path hadoopPath,
                                                                                     org.apache.hadoop.fs.impl.OpenFileParameters parameters)
                                                                              throws IOException
        Initiate the open operation. This is invoked from both the FileSystem and FileContext APIs
        Overrides:
        openFileWithOptions in class org.apache.hadoop.fs.FileSystem
        Parameters:
        hadoopPath - path to the file
        parameters - open file parameters from the builder.
        Returns:
        a future which will evaluate to the opened file.
        Throws:
        IOException - failure to resolve the link.
        IllegalArgumentException - unknown mandatory key

      • append

        public org.apache.hadoop.fs.FSDataOutputStream append​(org.apache.hadoop.fs.Path hadoopPath,
                                                      int bufferSize,
                                                      org.apache.hadoop.util.Progressable progress)
                                               throws IOException
        Appends to an existing file (optional operation). Not supported.
        Specified by:
        append in class org.apache.hadoop.fs.FileSystem
        Parameters:
        hadoopPath - The existing file to be appended.
        bufferSize - The size of the buffer to be used.
        progress - For reporting progress if it is not null.
        Returns:
        A writable stream.
        Throws:
        IOException - if an error occurs.

      • concat

        public void concat​(org.apache.hadoop.fs.Path tgt,
                   org.apache.hadoop.fs.Path[] srcs)
            throws IOException
        Concat existing files into one file.
        Overrides:
        concat in class org.apache.hadoop.fs.FileSystem
        Parameters:
        tgt - the path to the target destination.
        srcs - the paths to the sources to use for the concatenation.
        Throws:
        IOException - IO failure

      • getWorkingDirectory

        public org.apache.hadoop.fs.Path getWorkingDirectory()
        Gets the current working directory.
        Specified by:
        getWorkingDirectory in class org.apache.hadoop.fs.FileSystem
        Returns:
        The current working directory.

      • getDefaultReplication

        public short getDefaultReplication()
        Gets the default replication factor.
        Overrides:
        getDefaultReplication in class org.apache.hadoop.fs.FileSystem

      • globStatus

        public org.apache.hadoop.fs.FileStatus[] globStatus​(org.apache.hadoop.fs.Path pathPattern)
                                             throws IOException
        Returns an array of FileStatus objects whose path names match pathPattern.

        Return null if pathPattern has no glob and the path does not exist. Return an empty array if pathPattern has a glob and no path matches it.

        Overrides:
        globStatus in class org.apache.hadoop.fs.FileSystem
        Parameters:
        pathPattern - A regular expression specifying the path pattern.
        Returns:
        An array of FileStatus objects.
        Throws:
        IOException - if an error occurs.

      • getHomeDirectory

        public org.apache.hadoop.fs.Path getHomeDirectory()
        Returns home directory of the current user.

        Note: This directory is only used for Hadoop purposes. It is not the same as a user's OS home directory.

        Overrides:
        getHomeDirectory in class org.apache.hadoop.fs.FileSystem

      • getCanonicalServiceName

        public String getCanonicalServiceName()

        Returns the service if delegation tokens are configured, otherwise, null.

        Specified by:
        getCanonicalServiceName in interface org.apache.hadoop.security.token.DelegationTokenIssuer
        Overrides:
        getCanonicalServiceName in class org.apache.hadoop.fs.FileSystem

      • deleteOnExit

        public boolean deleteOnExit​(org.apache.hadoop.fs.Path f)
                     throws IOException
        Overrides:
        deleteOnExit in class org.apache.hadoop.fs.FileSystem
        Throws:
        IOException

      • processDeleteOnExit

        protected void processDeleteOnExit()
        Overrides:
        processDeleteOnExit in class org.apache.hadoop.fs.FileSystem

      • getContentSummary

        public org.apache.hadoop.fs.ContentSummary getContentSummary​(org.apache.hadoop.fs.Path f)
                                                      throws IOException
        Overrides:
        getContentSummary in class org.apache.hadoop.fs.FileSystem
        Throws:
        IOException

      • copyToLocalFile

        public void copyToLocalFile​(boolean delSrc,
                            org.apache.hadoop.fs.Path src,
                            org.apache.hadoop.fs.Path dst)
                     throws IOException
        Overrides:
        copyToLocalFile in class org.apache.hadoop.fs.FileSystem
        Throws:
        IOException

      • startLocalOutput

        public org.apache.hadoop.fs.Path startLocalOutput​(org.apache.hadoop.fs.Path fsOutputFile,
                                                  org.apache.hadoop.fs.Path tmpLocalFile)
                                           throws IOException
        Overrides:
        startLocalOutput in class org.apache.hadoop.fs.FileSystem
        Throws:
        IOException

      • completeLocalOutput

        public void completeLocalOutput​(org.apache.hadoop.fs.Path fsOutputFile,
                                org.apache.hadoop.fs.Path tmpLocalFile)
                         throws IOException
        Overrides:
        completeLocalOutput in class org.apache.hadoop.fs.FileSystem
        Throws:
        IOException

      • getUsed

        public long getUsed()
             throws IOException
        Overrides:
        getUsed in class org.apache.hadoop.fs.FileSystem
        Throws:
        IOException

      • getDefaultBlockSize

        public long getDefaultBlockSize()
        Overrides:
        getDefaultBlockSize in class org.apache.hadoop.fs.FileSystem

      • setWorkingDirectory

        public void setWorkingDirectory​(org.apache.hadoop.fs.Path hadoopPath)
        Specified by:
        setWorkingDirectory in class org.apache.hadoop.fs.FileSystem

      • setVerifyChecksum

        public void setVerifyChecksum​(boolean verifyChecksum)
        Overrides:
        setVerifyChecksum in class org.apache.hadoop.fs.FileSystem

      • setPermission

        public void setPermission​(org.apache.hadoop.fs.Path p,
                          org.apache.hadoop.fs.permission.FsPermission permission)
                   throws IOException
        Overrides:
        setPermission in class org.apache.hadoop.fs.FileSystem
        Throws:
        IOException

      • setOwner

        public void setOwner​(org.apache.hadoop.fs.Path p,
                     String username,
                     String groupname)
              throws IOException
        Overrides:
        setOwner in class org.apache.hadoop.fs.FileSystem
        Throws:
        IOException

      • setTimes

        public void setTimes​(org.apache.hadoop.fs.Path p,
                     long mtime,
                     long atime)
              throws IOException
        Overrides:
        setTimes in class org.apache.hadoop.fs.FileSystem
        Throws:
        IOException

      • setXAttr

        public void setXAttr​(org.apache.hadoop.fs.Path path,
                     String name,
                     byte[] value,
                     EnumSet<org.apache.hadoop.fs.XAttrSetFlag> flags)
              throws IOException
        Overrides:
        setXAttr in class org.apache.hadoop.fs.FileSystem
        Throws:
        IOException

      • removeXAttr

        public void removeXAttr​(org.apache.hadoop.fs.Path path,
                        String name)
                 throws IOException
        Overrides:
        removeXAttr in class org.apache.hadoop.fs.FileSystem
        Throws:
        IOException