org.apache.accumulo.start.classloader.vfs.providers

Class HdfsFileObject

java.lang.Object

org.apache.commons.vfs2.provider.AbstractFileObject

org.apache.accumulo.start.classloader.vfs.providers.HdfsFileObject

All Implemented Interfaces:

org.apache.commons.vfs2.FileObject

public class HdfsFileObject
extends org.apache.commons.vfs2.provider.AbstractFileObject

A VFS representation of an HDFS file.

Since:

2.1

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	HdfsFileObject(org.apache.commons.vfs2.provider.AbstractFileName name, HdfsFileSystem fs, org.apache.hadoop.fs.FileSystem hdfs, org.apache.hadoop.fs.Path p) Constructs a new HDFS FileObject

Method Summary

Methods

Modifier and Type	Method and Description
boolean	canRenameTo(org.apache.commons.vfs2.FileObject newfile)
protected void	doAttach()
protected Map<String,Object>	doGetAttributes()
protected long	doGetContentSize()
protected InputStream	doGetInputStream()
protected long	doGetLastModifiedTime()
protected org.apache.commons.vfs2.RandomAccessContent	doGetRandomAccessContent(org.apache.commons.vfs2.util.RandomAccessMode mode)
protected org.apache.commons.vfs2.FileType	doGetType()
protected boolean	doIsHidden()
protected boolean	doIsReadable()
protected boolean	doIsSameFile(org.apache.commons.vfs2.FileObject destFile)
protected boolean	doIsWriteable()
protected String[]	doListChildren()
protected org.apache.commons.vfs2.FileObject[]	doListChildrenResolved()
protected void	doRemoveAttribute(String attrName)
protected void	doSetAttribute(String attrName, Object value)
protected boolean	doSetLastModifiedTime(long modtime)
boolean	equals(Object o)
boolean	exists()
int	hashCode()

Methods inherited from class org.apache.commons.vfs2.provider.AbstractFileObject

childrenChanged, close, copyFrom, createFile, createFolder, delete, delete, doCreateFileContent, doCreateFolder, doDelete, doDetach, doGetCertificates, doGetOutputStream, doRename, endOutput, finalize, findFiles, findFiles, getChild, getChildren, getContent, getFileContentInfoFactory, getFileOperations, getFileSystem, getInputStream, getName, getOutputStream, getOutputStream, getParent, getRandomAccessContent, getType, getURL, handleChanged, handleCreate, handleDelete, holdObject, injectType, isAttached, isContentOpen, isHidden, isReadable, isSameFile, isWriteable, moveTo, notifyAllStreamsClosed, onChange, onChildrenChanged, refresh, resolveFile, resolveFile, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

HdfsFileObject

protected HdfsFileObject(org.apache.commons.vfs2.provider.AbstractFileName name,
              HdfsFileSystem fs,
              org.apache.hadoop.fs.FileSystem hdfs,
              org.apache.hadoop.fs.Path p)

Constructs a new HDFS FileObject

Parameters:

name - FileName

fs - HdfsFileSystem instance

hdfs - Hadoop FileSystem instance

p - Path to the file in HDFS

Method Detail

canRenameTo

public boolean canRenameTo(org.apache.commons.vfs2.FileObject newfile)

Specified by:

canRenameTo in interface org.apache.commons.vfs2.FileObject

Overrides:

canRenameTo in class org.apache.commons.vfs2.provider.AbstractFileObject

doAttach

protected void doAttach()
                 throws Exception

Overrides:

doAttach in class org.apache.commons.vfs2.provider.AbstractFileObject

Throws:

Exception

doGetAttributes

protected Map<String,Object> doGetAttributes()
                                      throws Exception

Overrides:

doGetAttributes in class org.apache.commons.vfs2.provider.AbstractFileObject

Throws:

Exception

doGetContentSize

protected long doGetContentSize()
                         throws Exception

Specified by:

doGetContentSize in class org.apache.commons.vfs2.provider.AbstractFileObject

Throws:

Exception

doGetInputStream

protected InputStream doGetInputStream()
                                throws Exception

Specified by:

doGetInputStream in class org.apache.commons.vfs2.provider.AbstractFileObject

Throws:

Exception

doGetLastModifiedTime

protected long doGetLastModifiedTime()
                              throws Exception

Overrides:

doGetLastModifiedTime in class org.apache.commons.vfs2.provider.AbstractFileObject

Throws:

Exception

doGetRandomAccessContent

protected org.apache.commons.vfs2.RandomAccessContent doGetRandomAccessContent(org.apache.commons.vfs2.util.RandomAccessMode mode)
                                                                        throws Exception

Overrides:

doGetRandomAccessContent in class org.apache.commons.vfs2.provider.AbstractFileObject

Throws:

Exception

doGetType

protected org.apache.commons.vfs2.FileType doGetType()
                                              throws Exception

Specified by:

doGetType in class org.apache.commons.vfs2.provider.AbstractFileObject

Throws:

Exception

doIsHidden

protected boolean doIsHidden()
                      throws Exception

Overrides:

doIsHidden in class org.apache.commons.vfs2.provider.AbstractFileObject

Throws:

Exception

doIsReadable

protected boolean doIsReadable()
                        throws Exception

Overrides:

doIsReadable in class org.apache.commons.vfs2.provider.AbstractFileObject

Throws:

Exception

doIsSameFile

protected boolean doIsSameFile(org.apache.commons.vfs2.FileObject destFile)
                        throws org.apache.commons.vfs2.FileSystemException

Overrides:

doIsSameFile in class org.apache.commons.vfs2.provider.AbstractFileObject

Throws:

org.apache.commons.vfs2.FileSystemException

doIsWriteable

protected boolean doIsWriteable()
                         throws Exception

Overrides:

doIsWriteable in class org.apache.commons.vfs2.provider.AbstractFileObject

Throws:

Exception

doListChildren

protected String[] doListChildren()
                           throws Exception

Specified by:

doListChildren in class org.apache.commons.vfs2.provider.AbstractFileObject

Throws:

Exception

doListChildrenResolved

protected org.apache.commons.vfs2.FileObject[] doListChildrenResolved()
                                                               throws Exception

Overrides:

doListChildrenResolved in class org.apache.commons.vfs2.provider.AbstractFileObject

Throws:

Exception

doRemoveAttribute

protected void doRemoveAttribute(String attrName)
                          throws Exception

Overrides:

doRemoveAttribute in class org.apache.commons.vfs2.provider.AbstractFileObject

Throws:

Exception

doSetAttribute

protected void doSetAttribute(String attrName,
                  Object value)
                       throws Exception

Overrides:

doSetAttribute in class org.apache.commons.vfs2.provider.AbstractFileObject

Throws:

Exception

doSetLastModifiedTime

protected boolean doSetLastModifiedTime(long modtime)
                                 throws Exception

Overrides:

doSetLastModifiedTime in class org.apache.commons.vfs2.provider.AbstractFileObject

Throws:

Exception

equals

public boolean equals(Object o)

Overrides:

equals in class Object

exists

public boolean exists()
               throws org.apache.commons.vfs2.FileSystemException

Specified by:

exists in interface org.apache.commons.vfs2.FileObject

Overrides:

exists in class org.apache.commons.vfs2.provider.AbstractFileObject

Throws:

org.apache.commons.vfs2.FileSystemException

hashCode

public int hashCode()

Overrides:

hashCode in class Object