org.apache.hadoop.fs

Class ProxyLocalFileSystem

java.lang.Object

org.apache.hadoop.conf.Configured

org.apache.hadoop.fs.FileSystem

org.apache.hadoop.fs.FilterFileSystem

org.apache.hadoop.fs.ProxyLocalFileSystem

All Implemented Interfaces:

Closeable, AutoCloseable, org.apache.hadoop.conf.Configurable

public class ProxyLocalFileSystem
extends org.apache.hadoop.fs.FilterFileSystem

A Proxy for LocalFileSystem As an example, it serves uri's corresponding to: 'pfile:///' namespace with using a LocalFileSystem

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ProxyLocalFileSystem.PFileChecksum Checksum implementation for PFile uses in testing

Nested classes/interfaces inherited from class org.apache.hadoop.fs.FileSystem

org.apache.hadoop.fs.FileSystem.DirectoryEntries, org.apache.hadoop.fs.FileSystem.Statistics

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.hadoop.fs.LocalFileSystem	localFs

Fields inherited from class org.apache.hadoop.fs.FilterFileSystem

fs, swapScheme

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 and Description
ProxyLocalFileSystem()
ProxyLocalFileSystem(org.apache.hadoop.fs.FileSystem fs)

Method Summary

Modifier and Type	Method and Description
org.apache.hadoop.fs.FileChecksum	getFileChecksum(org.apache.hadoop.fs.Path f)
String	getScheme()
void	initialize(URI name, org.apache.hadoop.conf.Configuration conf)

Methods inherited from class org.apache.hadoop.fs.FilterFileSystem

access, append, appendFile, canonicalizeUri, checkPath, close, completeLocalOutput, concat, copyFromLocalFile, copyFromLocalFile, copyFromLocalFile, copyToLocalFile, create, create, createFile, createNonRecursive, createPathHandle, createSnapshot, createSymlink, delete, deleteSnapshot, getAclStatus, getAllStoragePolicies, getCanonicalUri, getChildFileSystems, getConf, getDefaultBlockSize, getDefaultBlockSize, getDefaultReplication, getDefaultReplication, getFileBlockLocations, getFileChecksum, getFileLinkStatus, getFileStatus, getHomeDirectory, getInitialWorkingDirectory, getLinkTarget, getRawFileSystem, getServerDefaults, getServerDefaults, getStatus, getStoragePolicy, getTrashRoot, getTrashRoots, getUri, getUsed, getUsed, getWorkingDirectory, getXAttr, getXAttrs, getXAttrs, listCorruptFileBlocks, listLocatedStatus, listLocatedStatus, listStatus, listStatusIterator, listXAttrs, makeQualified, mkdirs, modifyAclEntries, open, open, primitiveCreate, primitiveMkdir, removeAcl, removeAclEntries, removeDefaultAcl, removeXAttr, rename, rename, renameSnapshot, resolveLink, resolvePath, setAcl, setOwner, setPermission, setReplication, setStoragePolicy, setTimes, setVerifyChecksum, setWorkingDirectory, setWriteChecksum, setXAttr, setXAttr, startLocalOutput, supportsSymlinks, truncate, unsetStoragePolicy

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

addDelegationTokens, append, append, areSymlinksEnabled, cancelDeleteOnExit, clearStatistics, closeAll, closeAllForUGI, copyFromLocalFile, copyToLocalFile, copyToLocalFile, create, create, create, create, create, create, create, create, create, create, create, createNewFile, createNonRecursive, createNonRecursive, createSnapshot, delete, deleteOnExit, enableSymlinks, exists, fixRelativePart, get, get, get, getAllStatistics, getBlockSize, getCanonicalServiceName, getContentSummary, getDefaultPort, getDefaultUri, getDelegationToken, getFileBlockLocations, getFileSystemClass, getFSofPath, getGlobalStorageStatistics, getLength, getLocal, getName, getNamed, getPathHandle, getQuotaUsage, getReplication, getStatistics, getStatistics, getStatus, getStorageStatistics, globStatus, globStatus, isDirectory, isFile, listFiles, listStatus, listStatus, listStatus, listStatusBatch, mkdirs, mkdirs, moveFromLocalFile, moveFromLocalFile, moveToLocalFile, newInstance, newInstance, newInstance, newInstanceLocal, open, open, primitiveMkdir, printStatistics, processDeleteOnExit, setDefaultUri, setDefaultUri

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

setConf

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

localFs

protected org.apache.hadoop.fs.LocalFileSystem localFs

Constructor Detail

ProxyLocalFileSystem

public ProxyLocalFileSystem()

ProxyLocalFileSystem

public ProxyLocalFileSystem(org.apache.hadoop.fs.FileSystem fs)

Method Detail

initialize

public void initialize(URI name,
                       org.apache.hadoop.conf.Configuration conf)
                throws IOException

Overrides:

initialize in class org.apache.hadoop.fs.FilterFileSystem

Throws:

IOException

getScheme

public String getScheme()

Overrides:

getScheme in class org.apache.hadoop.fs.FileSystem

getFileChecksum

public org.apache.hadoop.fs.FileChecksum getFileChecksum(org.apache.hadoop.fs.Path f)
                                                  throws IOException

Overrides:

getFileChecksum in class org.apache.hadoop.fs.FilterFileSystem

Throws:

IOException