org.bytedeco.arrow

Class HadoopFileSystem

java.lang.Object

org.bytedeco.javacpp.Pointer

org.bytedeco.arrow.IOFileSystem

org.bytedeco.arrow.HadoopFileSystem

All Implemented Interfaces:

AutoCloseable

@Namespace(value="arrow::io")
 @NoOffset
 @Properties(inherit=arrow.class)
public class HadoopFileSystem
extends IOFileSystem

Nested Class Summary

Nested classes/interfaces inherited from class org.bytedeco.javacpp.Pointer

Pointer.CustomDeallocator, Pointer.Deallocator, Pointer.NativeDeallocator, Pointer.ReferenceCounter

Field Summary

Fields inherited from class org.bytedeco.javacpp.Pointer

address, capacity, limit, position

Constructor Summary

Constructors

Constructor and Description
HadoopFileSystem(Pointer p) Pointer cast constructor.

Method Summary

Modifier and Type	Method and Description
Status	Chmod(BytePointer path, int mode)
Status	Chmod(String path, int mode) Change path permissions
Status	Chown(BytePointer path, BytePointer owner, BytePointer group)
Status	Chown(String path, String owner, String group) Change
static Status	Connect(HdfsConnectionConfig config, HadoopFileSystem fs)
Status	Delete(BytePointer path)
Status	Delete(BytePointer path, boolean recursive)
Status	Delete(String path)
Status	Delete(String path, boolean recursive)
Status	DeleteDirectory(BytePointer path)
Status	DeleteDirectory(String path)
Status	Disconnect()
boolean	Exists(BytePointer path)
boolean	Exists(String path)
Status	GetCapacity(long[] nbytes)
Status	GetCapacity(LongBuffer nbytes)
Status	GetCapacity(LongPointer nbytes)
Status	GetChildren(BytePointer path, StringVector listing)
Status	GetChildren(String path, StringVector listing)
Status	GetPathInfo(BytePointer path, HdfsPathInfo info)
Status	GetPathInfo(String path, HdfsPathInfo info)
Status	GetUsed(long[] nbytes)
Status	GetUsed(LongBuffer nbytes)
Status	GetUsed(LongPointer nbytes)
Status	GetWorkingDirectory(BytePointer out) Return the filesystem's current working directory.
Status	ListDirectory(BytePointer path, HdfsPathInfo listing)
Status	ListDirectory(String path, HdfsPathInfo listing) List directory contents If path is a relative path, returned values will be absolute paths or URIs starting from the current working directory.
Status	MakeDirectory(BytePointer path)
Status	MakeDirectory(String path)
Status	OpenReadable(BytePointer path, HdfsReadableFile file)
Status	OpenReadable(BytePointer path, int buffer_size, HdfsReadableFile file)
Status	OpenReadable(String path, HdfsReadableFile file)
Status	OpenReadable(String path, int buffer_size, HdfsReadableFile file)
Status	OpenWritable(BytePointer path, boolean append, HdfsOutputStream file)
Status	OpenWritable(BytePointer path, boolean append, int buffer_size, short replication, long default_block_size, HdfsOutputStream file)
Status	OpenWritable(String path, boolean append, HdfsOutputStream file)
Status	OpenWritable(String path, boolean append, int buffer_size, short replication, long default_block_size, HdfsOutputStream file)
Status	Rename(BytePointer src, BytePointer dst)
Status	Rename(String src, String dst)
Status	Stat(BytePointer path, FileStatistics stat)
Status	Stat(String path, FileStatistics stat)

Methods inherited from class org.bytedeco.javacpp.Pointer

address, asBuffer, asByteBuffer, availablePhysicalBytes, calloc, capacity, capacity, close, deallocate, deallocate, deallocateReferences, deallocator, deallocator, equals, fill, formatBytes, free, getPointer, getPointer, getPointer, getPointer, hashCode, isNull, isNull, limit, limit, malloc, maxBytes, maxPhysicalBytes, memchr, memcmp, memcpy, memmove, memset, offsetof, offsetof, parseBytes, physicalBytes, position, position, put, realloc, referenceCount, releaseReference, retainReference, setNull, sizeof, sizeof, toString, totalBytes, totalCount, totalPhysicalBytes, withDeallocator, zero

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

HadoopFileSystem

public HadoopFileSystem(Pointer p)

Pointer cast constructor. Invokes Pointer(Pointer).

Method Detail

Connect

@ByVal
public static Status Connect(@Const
                                     HdfsConnectionConfig config,
                                     @SharedPtr
                                     HadoopFileSystem fs)

MakeDirectory

@ByVal
public Status MakeDirectory(@StdString
                                    String path)

Overrides:

MakeDirectory in class IOFileSystem

MakeDirectory

@ByVal
public Status MakeDirectory(@StdString
                                    BytePointer path)

Overrides:

MakeDirectory in class IOFileSystem

Delete

@ByVal
public Status Delete(@StdString
                             String path,
                             @Cast(value="bool")
                             boolean recursive)

Delete

@ByVal
public Status Delete(@StdString
                             String path)

Delete

@ByVal
public Status Delete(@StdString
                             BytePointer path,
                             @Cast(value="bool")
                             boolean recursive)

Delete

@ByVal
public Status Delete(@StdString
                             BytePointer path)

DeleteDirectory

@ByVal
public Status DeleteDirectory(@StdString
                                      String path)

Overrides:

DeleteDirectory in class IOFileSystem

DeleteDirectory

@ByVal
public Status DeleteDirectory(@StdString
                                      BytePointer path)

Overrides:

DeleteDirectory in class IOFileSystem

Disconnect

@ByVal
public Status Disconnect()

Exists

@Cast(value="bool")
public boolean Exists(@StdString
                                           String path)

Exists

@Cast(value="bool")
public boolean Exists(@StdString
                                           BytePointer path)

GetPathInfo

@ByVal
public Status GetPathInfo(@StdString
                                  String path,
                                  HdfsPathInfo info)

GetPathInfo

@ByVal
public Status GetPathInfo(@StdString
                                  BytePointer path,
                                  HdfsPathInfo info)

GetCapacity

@ByVal
public Status GetCapacity(@Cast(value="int64_t*")
                                  LongPointer nbytes)

GetCapacity

@ByVal
public Status GetCapacity(@Cast(value="int64_t*")
                                  LongBuffer nbytes)

GetCapacity

@ByVal
public Status GetCapacity(@Cast(value="int64_t*")
                                  long[] nbytes)

GetUsed

@ByVal
public Status GetUsed(@Cast(value="int64_t*")
                              LongPointer nbytes)

GetUsed

@ByVal
public Status GetUsed(@Cast(value="int64_t*")
                              LongBuffer nbytes)

GetUsed

@ByVal
public Status GetUsed(@Cast(value="int64_t*")
                              long[] nbytes)

GetChildren

@ByVal
public Status GetChildren(@StdString
                                  String path,
                                  StringVector listing)

Overrides:

GetChildren in class IOFileSystem

GetChildren

@ByVal
public Status GetChildren(@StdString
                                  BytePointer path,
                                  StringVector listing)

Overrides:

GetChildren in class IOFileSystem

ListDirectory

@ByVal
public Status ListDirectory(@StdString
                                    String path,
                                    @StdVector
                                    HdfsPathInfo listing)

List directory contents If path is a relative path, returned values will be absolute paths or URIs starting from the current working directory.

ListDirectory

@ByVal
public Status ListDirectory(@StdString
                                    BytePointer path,
                                    @StdVector
                                    HdfsPathInfo listing)

GetWorkingDirectory

@ByVal
public Status GetWorkingDirectory(@StdString @Cast(value={"char*","std::string*"})
                                          BytePointer out)

Return the filesystem's current working directory. The working directory is the base path for all relative paths given to other APIs. NOTE: this actually returns a URI.

Chown

@ByVal
public Status Chown(@StdString
                            String path,
                            String owner,
                            String group)

Change

Parameters:

path - file path to change

owner - pass null for no change

group - pass null for no change

Chown

@ByVal
public Status Chown(@StdString
                            BytePointer path,
                            @Cast(value="const char*")
                            BytePointer owner,
                            @Cast(value="const char*")
                            BytePointer group)

Chmod

@ByVal
public Status Chmod(@StdString
                            String path,
                            int mode)

Change path permissions

Parameters:

path - Absolute path in file system

mode - Mode bitset

Returns:

Status

Chmod

@ByVal
public Status Chmod(@StdString
                            BytePointer path,
                            int mode)

Rename

@ByVal
public Status Rename(@StdString
                             String src,
                             @StdString
                             String dst)

Overrides:

Rename in class IOFileSystem

Rename

@ByVal
public Status Rename(@StdString
                             BytePointer src,
                             @StdString
                             BytePointer dst)

Overrides:

Rename in class IOFileSystem

Stat

@ByVal
public Status Stat(@StdString
                           String path,
                           FileStatistics stat)

Overrides:

Stat in class IOFileSystem

Stat

@ByVal
public Status Stat(@StdString
                           BytePointer path,
                           FileStatistics stat)

Overrides:

Stat in class IOFileSystem

OpenReadable

@ByVal
public Status OpenReadable(@StdString
                                   String path,
                                   int buffer_size,
                                   @SharedPtr
                                   HdfsReadableFile file)

OpenReadable

@ByVal
public Status OpenReadable(@StdString
                                   BytePointer path,
                                   int buffer_size,
                                   @SharedPtr
                                   HdfsReadableFile file)

OpenReadable

@ByVal
public Status OpenReadable(@StdString
                                   String path,
                                   @SharedPtr
                                   HdfsReadableFile file)

OpenReadable

@ByVal
public Status OpenReadable(@StdString
                                   BytePointer path,
                                   @SharedPtr
                                   HdfsReadableFile file)

OpenWritable

@ByVal
public Status OpenWritable(@StdString
                                   String path,
                                   @Cast(value="bool")
                                   boolean append,
                                   int buffer_size,
                                   short replication,
                                   @Cast(value="int64_t")
                                   long default_block_size,
                                   @SharedPtr
                                   HdfsOutputStream file)

OpenWritable

@ByVal
public Status OpenWritable(@StdString
                                   BytePointer path,
                                   @Cast(value="bool")
                                   boolean append,
                                   int buffer_size,
                                   short replication,
                                   @Cast(value="int64_t")
                                   long default_block_size,
                                   @SharedPtr
                                   HdfsOutputStream file)

OpenWritable

@ByVal
public Status OpenWritable(@StdString
                                   String path,
                                   @Cast(value="bool")
                                   boolean append,
                                   @SharedPtr
                                   HdfsOutputStream file)

OpenWritable

@ByVal
public Status OpenWritable(@StdString
                                   BytePointer path,
                                   @Cast(value="bool")
                                   boolean append,
                                   @SharedPtr
                                   HdfsOutputStream file)