Package org.apache.hadoop.fs.http.client

Class HttpFSFileSystem

java.lang.Object

org.apache.hadoop.conf.Configured

org.apache.hadoop.fs.FileSystem

org.apache.hadoop.fs.http.client.HttpFSFileSystem

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, org.apache.hadoop.conf.Configurable, org.apache.hadoop.fs.BulkDeleteSource, org.apache.hadoop.fs.DelegationTokenRenewer.Renewable, org.apache.hadoop.fs.PathCapabilities, org.apache.hadoop.security.token.DelegationTokenIssuer

Direct Known Subclasses:

HttpsFSFileSystem

@Private
public class HttpFSFileSystem
extends org.apache.hadoop.fs.FileSystem
implements org.apache.hadoop.fs.DelegationTokenRenewer.Renewable

HttpFSServer implementation of the FileSystemAccess FileSystem.

This implementation allows a user to access HDFS over HTTP via a HttpFSServer server.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	HttpFSFileSystem.FILE_TYPE
static class	HttpFSFileSystem.Operation

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

org.apache.hadoop.fs.FileSystem.DirectoryEntries, org.apache.hadoop.fs.FileSystem.DirListingIterator<T extends org.apache.hadoop.fs.FileStatus>, org.apache.hadoop.fs.FileSystem.Statistics

Field Summary

Fields

Modifier and Type	Field	Description
static java.lang.String	ACCESS_TIME_JSON
static java.lang.String	ACCESS_TIME_PARAM
static java.lang.String	ACL_BIT_JSON
static java.lang.String	ACL_ENTRIES_JSON
static java.lang.String	ACL_STATUS_JSON
static java.lang.String	ACL_STICKY_BIT_JSON
static java.lang.String	ACLSPEC_DEFAULT
static java.lang.String	ACLSPEC_PARAM
static java.lang.String	ALLUSERS_PARAM
static java.lang.String	BLOCK_LOCATIONS_JSON
static java.lang.String	BLOCK_SIZE_JSON
static java.lang.String	BLOCKSIZE_PARAM
static java.lang.String	CAPACITY_JSON
static java.lang.String	CHECKSUM_ALGORITHM_JSON
static java.lang.String	CHECKSUM_BYTES_JSON
static java.lang.String	CHECKSUM_LENGTH_JSON
static java.lang.String	CHILDREN_NUM_JSON
static java.lang.String	CONTENT_SUMMARY_DIRECTORY_COUNT_JSON
static java.lang.String	CONTENT_SUMMARY_ECPOLICY_JSON
static java.lang.String	CONTENT_SUMMARY_FILE_COUNT_JSON
static java.lang.String	CONTENT_SUMMARY_JSON
static java.lang.String	CONTENT_SUMMARY_LENGTH_JSON
static java.lang.Short	DEFAULT_PERMISSION
static java.lang.String	DELETE_JSON
static java.lang.String	DESTINATION_PARAM
static java.lang.String	DIRECTORY_LISTING_JSON
static java.lang.String	DO_AS_PARAM
static java.lang.String	EC_BIT_JSON
static java.lang.String	EC_POLICY_NAME_PARAM
static java.lang.String	ECPOLICY_JSON
static java.lang.String	ECPOLICYNAME_JSON
static java.lang.String	ENC_BIT_JSON
static java.lang.String	FILE_CHECKSUM_JSON
static java.lang.String	FILE_ID_JSON
static java.lang.String	FILE_STATUS_JSON
static java.lang.String	FILE_STATUSES_JSON
static java.lang.String	FS_STATUS_JSON
static java.lang.String	FSACTION_MODE_PARAM
static java.lang.String	GROUP_JSON
static java.lang.String	GROUP_PARAM
static java.lang.String	HOME_DIR_JSON
static int	HTTP_TEMPORARY_REDIRECT
static java.lang.String	IS_TABLE
static java.lang.String	LENGTH_JSON
static java.lang.String	LENGTH_PARAM
static java.lang.String	MKDIRS_JSON
static java.lang.String	MODIFICATION_TIME_JSON
static java.lang.String	MODIFICATION_TIME_PARAM
static java.lang.String	NEW_LENGTH_PARAM
static java.lang.String	OFFSET_PARAM
static java.lang.String	OLD_SNAPSHOT_NAME_PARAM
static java.lang.String	OP_PARAM
static java.lang.String	OVERWRITE_PARAM
static java.lang.String	OWNER_JSON
static java.lang.String	OWNER_PARAM
static java.lang.String	PARTIAL_LISTING_JSON
static java.lang.String	PATH_SUFFIX_JSON
static java.lang.String	PERMISSION_JSON
static java.lang.String	PERMISSION_PARAM
static java.lang.String	PLAIN_TEXT_CONTENT_TYPE
static java.lang.String	POLICY_NAME_PARAM
static java.lang.String	QUOTA_USAGE_CONSUMED_JSON
static java.lang.String	QUOTA_USAGE_FILE_AND_DIRECTORY_COUNT_JSON
static java.lang.String	QUOTA_USAGE_JSON
static java.lang.String	QUOTA_USAGE_QUOTA_JSON
static java.lang.String	QUOTA_USAGE_SPACE_CONSUMED_JSON
static java.lang.String	QUOTA_USAGE_SPACE_QUOTA_JSON
static java.lang.String	QUOTA_USAGE_TYPE_QUOTA_JSON
static java.lang.String	RECURSIVE_PARAM
static java.lang.String	REMAINING_ENTRIES_JSON
static java.lang.String	REMAINING_JSON
static java.lang.String	RENAME_JSON
static java.lang.String	REPLICATION_JSON
static java.lang.String	REPLICATION_PARAM
static java.lang.String	SCHEME
static java.lang.String	SERVICE_NAME
static java.lang.String	SERVICE_VERSION
static java.lang.String	SET_REPLICATION_JSON
static java.lang.String	SNAPSHOT_BIT_JSON
static java.lang.String	SNAPSHOT_DIFF_INDEX
static java.lang.String	SNAPSHOT_DIFF_START_PATH
static java.lang.String	SNAPSHOT_JSON
static java.lang.String	SNAPSHOT_NAME_PARAM
static java.lang.String	SOURCES_PARAM
static java.lang.String	START_AFTER_PARAM
static java.lang.String	STORAGE_POLICIES_JSON
static java.lang.String	STORAGE_POLICY_JSON
static java.lang.String	STORAGEPOLICY_JSON
static java.lang.String	SYMLINK_JSON
static java.lang.String	TRASH_DIR_JSON
static java.lang.String	TRUNCATE_JSON
static java.lang.String	TYPE_JSON
static java.lang.String	UNMASKED_PERMISSION_PARAM
static java.lang.String	UPLOAD_CONTENT_TYPE
static java.lang.String	USED_JSON
static java.lang.String	XATTR_ENCODING_PARAM
static java.lang.String	XATTR_NAME_JSON
static java.lang.String	XATTR_NAME_PARAM
static java.lang.String	XATTR_SET_FLAG_PARAM
static java.lang.String	XATTR_VALUE_JSON
static java.lang.String	XATTR_VALUE_PARAM
static java.lang.String	XATTRNAMES_JSON
static java.lang.String	XATTRS_JSON

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

Fields inherited from interface org.apache.hadoop.security.token.DelegationTokenIssuer

TOKEN_LOG

Constructor Summary

Constructors

Constructor	Description
HttpFSFileSystem()

Method Summary

Modifier and Type	Method	Description
void	access(org.apache.hadoop.fs.Path path, org.apache.hadoop.fs.permission.FsAction mode)
void	allowSnapshot(org.apache.hadoop.fs.Path path)
org.apache.hadoop.fs.FSDataOutputStream	append(org.apache.hadoop.fs.Path f, int bufferSize, org.apache.hadoop.util.Progressable progress)	Append to an existing file (optional operation).
void	cancelDelegationToken(org.apache.hadoop.security.token.Token<?> token)
void	concat(org.apache.hadoop.fs.Path f, org.apache.hadoop.fs.Path[] psrcs)	Concat existing files together.
org.apache.hadoop.fs.FSDataOutputStream	create(org.apache.hadoop.fs.Path f, org.apache.hadoop.fs.permission.FsPermission permission, boolean overwrite, int bufferSize, short replication, long blockSize, org.apache.hadoop.util.Progressable progress)	Opens an FSDataOutputStream at the indicated Path with write-progress reporting.
org.apache.hadoop.fs.Path	createSnapshot(org.apache.hadoop.fs.Path path, java.lang.String snapshotName)
boolean	delete(org.apache.hadoop.fs.Path f)	Deprecated. Use delete(Path, boolean) instead
boolean	delete(org.apache.hadoop.fs.Path f, boolean recursive)	Delete a file.
void	deleteSnapshot(org.apache.hadoop.fs.Path path, java.lang.String snapshotName)
void	disallowSnapshot(org.apache.hadoop.fs.Path path)
org.apache.hadoop.fs.permission.AclStatus	getAclStatus(org.apache.hadoop.fs.Path path)	Get the ACL information for a given file
java.util.Map<java.lang.String,java.lang.String>	getAllErasureCodingCodecs()
java.util.Collection<org.apache.hadoop.hdfs.protocol.ErasureCodingPolicyInfo>	getAllErasureCodingPolicies()
java.util.Collection<org.apache.hadoop.hdfs.protocol.BlockStoragePolicy>	getAllStoragePolicies()
org.apache.hadoop.fs.ContentSummary	getContentSummary(org.apache.hadoop.fs.Path f)
protected int	getDefaultPort()	Get the default port for this file system.
org.apache.hadoop.security.token.Token<?>	getDelegationToken(java.lang.String renewer)
org.apache.hadoop.hdfs.protocol.ErasureCodingPolicy	getErasureCodingPolicy(org.apache.hadoop.fs.Path path)
org.apache.hadoop.fs.BlockLocation[]	getFileBlockLocations(org.apache.hadoop.fs.FileStatus status, long offset, long length)
org.apache.hadoop.fs.BlockLocation[]	getFileBlockLocations(org.apache.hadoop.fs.Path path, long start, long len)
org.apache.hadoop.fs.FileChecksum	getFileChecksum(org.apache.hadoop.fs.Path f)
org.apache.hadoop.fs.FileStatus	getFileLinkStatus(org.apache.hadoop.fs.Path path)
org.apache.hadoop.fs.FileStatus	getFileStatus(org.apache.hadoop.fs.Path f)	Return a file status object that represents the path.
org.apache.hadoop.fs.Path	getHomeDirectory()	Return the current user's home directory in this filesystem.
org.apache.hadoop.fs.QuotaUsage	getQuotaUsage(org.apache.hadoop.fs.Path f)
org.apache.hadoop.security.token.Token<?>	getRenewToken()
java.lang.String	getScheme()
org.apache.hadoop.fs.FsServerDefaults	getServerDefaults()
org.apache.hadoop.fs.FsServerDefaults	getServerDefaults(org.apache.hadoop.fs.Path p)
org.apache.hadoop.hdfs.protocol.SnapshotDiffReport	getSnapshotDiffReport(org.apache.hadoop.fs.Path path, java.lang.String snapshotOldName, java.lang.String snapshotNewName)
org.apache.hadoop.hdfs.protocol.SnapshotDiffReportListing	getSnapshotDiffReportListing(org.apache.hadoop.fs.Path path, java.lang.String snapshotOldName, java.lang.String snapshotNewName, byte[] snapshotDiffStartPath, java.lang.Integer snapshotDiffIndex)
org.apache.hadoop.hdfs.protocol.SnapshotStatus[]	getSnapshotListing(org.apache.hadoop.fs.Path snapshotRoot)
org.apache.hadoop.hdfs.protocol.SnapshottableDirectoryStatus[]	getSnapshottableDirectoryList()
org.apache.hadoop.fs.FsStatus	getStatus(org.apache.hadoop.fs.Path path)
org.apache.hadoop.hdfs.protocol.BlockStoragePolicy	getStoragePolicy(org.apache.hadoop.fs.Path src)
org.apache.hadoop.fs.Path	getTrashRoot(org.apache.hadoop.fs.Path fullPath)	Get the root directory of Trash for a path in HDFS.
java.util.Collection<org.apache.hadoop.fs.FileStatus>	getTrashRoots(boolean allUsers)
java.net.URI	getUri()	Returns a URI whose scheme and authority identify this FileSystem.
org.apache.hadoop.fs.Path	getWorkingDirectory()	Get the current working directory for the given file system
byte[]	getXAttr(org.apache.hadoop.fs.Path f, java.lang.String name)
java.util.Map<java.lang.String,byte[]>	getXAttrs(org.apache.hadoop.fs.Path f)
java.util.Map<java.lang.String,byte[]>	getXAttrs(org.apache.hadoop.fs.Path f, java.util.List<java.lang.String> names)
boolean	hasPathCapability(org.apache.hadoop.fs.Path path, java.lang.String capability)	This filesystem's capabilities must be in sync with that of DistributedFileSystem.hasPathCapability() except where the feature is not exposed (e.g.
void	initialize(java.net.URI name, org.apache.hadoop.conf.Configuration conf)	Called after a new FileSystem instance is constructed.
org.apache.hadoop.fs.FileStatus[]	listStatus(org.apache.hadoop.fs.Path f)	Get FileStatus of files/directories in the given path.
org.apache.hadoop.fs.FileSystem.DirectoryEntries	listStatusBatch(org.apache.hadoop.fs.Path f, byte[] token)	Get FileSystem.DirectoryEntries of the given path.
java.util.List<java.lang.String>	listXAttrs(org.apache.hadoop.fs.Path f)
boolean	mkdirs(org.apache.hadoop.fs.Path f, org.apache.hadoop.fs.permission.FsPermission permission)	Make the given file and all non-existent parents into directories.
void	modifyAclEntries(org.apache.hadoop.fs.Path path, java.util.List<org.apache.hadoop.fs.permission.AclEntry> aclSpec)	Modify the ACL entries for a file.
org.apache.hadoop.fs.FSDataInputStream	open(org.apache.hadoop.fs.Path f, int bufferSize)	Opens an FSDataInputStream at the indicated Path.
static java.lang.String	permissionToString(org.apache.hadoop.fs.permission.FsPermission p)	Converts a FsPermission to a Unix octal representation.
void	removeAcl(org.apache.hadoop.fs.Path path)	Remove all ACLs from a file
void	removeAclEntries(org.apache.hadoop.fs.Path path, java.util.List<org.apache.hadoop.fs.permission.AclEntry> aclSpec)	Remove the specified ACL entries from a file
void	removeDefaultAcl(org.apache.hadoop.fs.Path path)	Removes the default ACL for the given file
void	removeXAttr(org.apache.hadoop.fs.Path f, java.lang.String name)
boolean	rename(org.apache.hadoop.fs.Path src, org.apache.hadoop.fs.Path dst)	Renames Path src to Path dst.
void	renameSnapshot(org.apache.hadoop.fs.Path path, java.lang.String snapshotOldName, java.lang.String snapshotNewName)
long	renewDelegationToken(org.apache.hadoop.security.token.Token<?> token)
void	satisfyStoragePolicy(org.apache.hadoop.fs.Path path)
void	setAcl(org.apache.hadoop.fs.Path path, java.util.List<org.apache.hadoop.fs.permission.AclEntry> aclSpec)	Set the ACLs for the given file
<T extends org.apache.hadoop.security.token.TokenIdentifier> void	setDelegationToken(org.apache.hadoop.security.token.Token<T> token)
void	setErasureCodingPolicy(org.apache.hadoop.fs.Path path, java.lang.String policyName)
void	setOwner(org.apache.hadoop.fs.Path p, java.lang.String username, java.lang.String groupname)	Set owner of a path (i.e.
void	setPermission(org.apache.hadoop.fs.Path p, org.apache.hadoop.fs.permission.FsPermission permission)	Set permission of a path.
boolean	setReplication(org.apache.hadoop.fs.Path src, short replication)	Set replication for an existing file.
void	setStoragePolicy(org.apache.hadoop.fs.Path src, java.lang.String policyName)
void	setTimes(org.apache.hadoop.fs.Path p, long mtime, long atime)	Set access time of a file
void	setWorkingDirectory(org.apache.hadoop.fs.Path newDir)	Set the current working directory for the given file system.
void	setXAttr(org.apache.hadoop.fs.Path f, java.lang.String name, byte[] value, java.util.EnumSet<org.apache.hadoop.fs.XAttrSetFlag> flag)
boolean	truncate(org.apache.hadoop.fs.Path f, long newLength)	Truncate a file.
void	unsetErasureCodingPolicy(org.apache.hadoop.fs.Path path)
void	unsetStoragePolicy(org.apache.hadoop.fs.Path src)

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

append, append, append, append, appendFile, areSymlinksEnabled, cancelDeleteOnExit, canonicalizeUri, checkPath, clearStatistics, close, closeAll, closeAllForUGI, completeLocalOutput, copyFromLocalFile, copyFromLocalFile, copyFromLocalFile, copyFromLocalFile, copyToLocalFile, copyToLocalFile, copyToLocalFile, create, create, create, create, create, create, create, create, create, create, create, create, createBulkDelete, createDataInputStreamBuilder, createDataInputStreamBuilder, createDataOutputStreamBuilder, createFid, createFile, createMultipartUploader, createNewFile, createNonRecursive, createNonRecursive, createNonRecursive, createPathHandle, createPathId, createSnapshot, createSymlink, deleteFid, deleteOnExit, enableSymlinks, exists, fixRelativePart, get, get, get, getAdditionalTokenIssuers, getAllStatistics, getBlockSize, getCanonicalServiceName, getCanonicalUri, getChildFileSystems, getDefaultBlockSize, getDefaultBlockSize, getDefaultReplication, getDefaultReplication, getDefaultUri, getEnclosingRoot, getFileChecksum, getFileSystemClass, getFSofPath, getGlobalStorageStatistics, getInitialWorkingDirectory, getJobTrackerAddrs, getLength, getLinkTarget, getLocal, getName, getNamed, getPathHandle, getReplication, getStatistics, getStatistics, getStatus, getStorageStatistics, getUsed, getUsed, getZkConnectString, globStatus, globStatus, isDirectory, isFile, listCorruptFileBlocks, listFiles, listLocatedStatus, listLocatedStatus, listStatus, listStatus, listStatus, listStatusIterator, makeQualified, mkdirs, mkdirs, mkdirsFid, mkdirsFid, moveFromLocalFile, moveFromLocalFile, moveToLocalFile, msync, newInstance, newInstance, newInstance, newInstanceLocal, open, open, open, openFid, openFid, openFid2, openFile, openFile, openFileWithOptions, openFileWithOptions, primitiveCreate, primitiveMkdir, primitiveMkdir, printStatistics, processDeleteOnExit, rename, resolveLink, resolvePath, setDefaultUri, setDefaultUri, setOwnerFid, setQuota, setQuotaByStorageType, setVerifyChecksum, setWriteChecksum, setXAttr, startLocalOutput, supportsSymlinks

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

getConf, setConf

Methods inherited from class java.lang.Object

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

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

addDelegationTokens

Field Detail

SERVICE_NAME

public static final java.lang.String SERVICE_NAME

See Also:

Constant Field Values

SERVICE_VERSION

public static final java.lang.String SERVICE_VERSION

See Also:

Constant Field Values

SCHEME

public static final java.lang.String SCHEME

See Also:

Constant Field Values

OP_PARAM

public static final java.lang.String OP_PARAM

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Constant Field Values

DO_AS_PARAM

public static final java.lang.String DO_AS_PARAM

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Constant Field Values

OVERWRITE_PARAM

public static final java.lang.String OVERWRITE_PARAM

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Constant Field Values

REPLICATION_PARAM

public static final java.lang.String REPLICATION_PARAM

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Constant Field Values

BLOCKSIZE_PARAM

public static final java.lang.String BLOCKSIZE_PARAM

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Constant Field Values

PERMISSION_PARAM

public static final java.lang.String PERMISSION_PARAM

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Constant Field Values

UNMASKED_PERMISSION_PARAM

public static final java.lang.String UNMASKED_PERMISSION_PARAM

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Constant Field Values

ACLSPEC_PARAM

public static final java.lang.String ACLSPEC_PARAM

See Also:

Constant Field Values

DESTINATION_PARAM

public static final java.lang.String DESTINATION_PARAM

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Constant Field Values

RECURSIVE_PARAM

public static final java.lang.String RECURSIVE_PARAM

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Constant Field Values

SOURCES_PARAM

public static final java.lang.String SOURCES_PARAM

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Constant Field Values

OWNER_PARAM

public static final java.lang.String OWNER_PARAM

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Constant Field Values

GROUP_PARAM

public static final java.lang.String GROUP_PARAM

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Constant Field Values

MODIFICATION_TIME_PARAM

public static final java.lang.String MODIFICATION_TIME_PARAM

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Constant Field Values

ACCESS_TIME_PARAM

public static final java.lang.String ACCESS_TIME_PARAM

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Constant Field Values

XATTR_NAME_PARAM

public static final java.lang.String XATTR_NAME_PARAM

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Constant Field Values

XATTR_VALUE_PARAM

public static final java.lang.String XATTR_VALUE_PARAM

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Constant Field Values

XATTR_SET_FLAG_PARAM

public static final java.lang.String XATTR_SET_FLAG_PARAM

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Constant Field Values

XATTR_ENCODING_PARAM

public static final java.lang.String XATTR_ENCODING_PARAM

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Constant Field Values

NEW_LENGTH_PARAM

public static final java.lang.String NEW_LENGTH_PARAM

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Constant Field Values

START_AFTER_PARAM

public static final java.lang.String START_AFTER_PARAM

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Constant Field Values

POLICY_NAME_PARAM

public static final java.lang.String POLICY_NAME_PARAM

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Constant Field Values

SNAPSHOT_NAME_PARAM

public static final java.lang.String SNAPSHOT_NAME_PARAM

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Constant Field Values

OLD_SNAPSHOT_NAME_PARAM

public static final java.lang.String OLD_SNAPSHOT_NAME_PARAM

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Constant Field Values

SNAPSHOT_DIFF_START_PATH

public static final java.lang.String SNAPSHOT_DIFF_START_PATH

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Constant Field Values

SNAPSHOT_DIFF_INDEX

public static final java.lang.String SNAPSHOT_DIFF_INDEX

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Constant Field Values

FSACTION_MODE_PARAM

public static final java.lang.String FSACTION_MODE_PARAM

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Constant Field Values

EC_POLICY_NAME_PARAM

public static final java.lang.String EC_POLICY_NAME_PARAM

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Constant Field Values

OFFSET_PARAM

public static final java.lang.String OFFSET_PARAM

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Constant Field Values

LENGTH_PARAM

public static final java.lang.String LENGTH_PARAM

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Constant Field Values

ALLUSERS_PARAM

public static final java.lang.String ALLUSERS_PARAM

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Constant Field Values

DEFAULT_PERMISSION

public static final java.lang.Short DEFAULT_PERMISSION

ACLSPEC_DEFAULT

public static final java.lang.String ACLSPEC_DEFAULT

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Constant Field Values

RENAME_JSON

public static final java.lang.String RENAME_JSON

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Constant Field Values

TRUNCATE_JSON

public static final java.lang.String TRUNCATE_JSON

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Constant Field Values

DELETE_JSON

public static final java.lang.String DELETE_JSON

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Constant Field Values

MKDIRS_JSON

public static final java.lang.String MKDIRS_JSON

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Constant Field Values

HOME_DIR_JSON

public static final java.lang.String HOME_DIR_JSON

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Constant Field Values

TRASH_DIR_JSON

public static final java.lang.String TRASH_DIR_JSON

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Constant Field Values

SET_REPLICATION_JSON

public static final java.lang.String SET_REPLICATION_JSON

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Constant Field Values

UPLOAD_CONTENT_TYPE

public static final java.lang.String UPLOAD_CONTENT_TYPE

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Constant Field Values

PLAIN_TEXT_CONTENT_TYPE

public static final java.lang.String PLAIN_TEXT_CONTENT_TYPE

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Constant Field Values

SNAPSHOT_JSON

public static final java.lang.String SNAPSHOT_JSON

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Constant Field Values

FILE_STATUSES_JSON

public static final java.lang.String FILE_STATUSES_JSON

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Constant Field Values

FILE_STATUS_JSON

public static final java.lang.String FILE_STATUS_JSON

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Constant Field Values

FS_STATUS_JSON

public static final java.lang.String FS_STATUS_JSON

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Constant Field Values

PATH_SUFFIX_JSON

public static final java.lang.String PATH_SUFFIX_JSON

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Constant Field Values

TYPE_JSON

public static final java.lang.String TYPE_JSON

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Constant Field Values

LENGTH_JSON

public static final java.lang.String LENGTH_JSON

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Constant Field Values

OWNER_JSON

public static final java.lang.String OWNER_JSON

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Constant Field Values

GROUP_JSON

public static final java.lang.String GROUP_JSON

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Constant Field Values

PERMISSION_JSON

public static final java.lang.String PERMISSION_JSON

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Constant Field Values

ACCESS_TIME_JSON

public static final java.lang.String ACCESS_TIME_JSON

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Constant Field Values

MODIFICATION_TIME_JSON

public static final java.lang.String MODIFICATION_TIME_JSON

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Constant Field Values

BLOCK_SIZE_JSON

public static final java.lang.String BLOCK_SIZE_JSON

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Constant Field Values

CHILDREN_NUM_JSON

public static final java.lang.String CHILDREN_NUM_JSON

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Constant Field Values

FILE_ID_JSON

public static final java.lang.String FILE_ID_JSON

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Constant Field Values

REPLICATION_JSON

public static final java.lang.String REPLICATION_JSON

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Constant Field Values

STORAGEPOLICY_JSON

public static final java.lang.String STORAGEPOLICY_JSON

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Constant Field Values

ECPOLICYNAME_JSON

public static final java.lang.String ECPOLICYNAME_JSON

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Constant Field Values

XATTRS_JSON

public static final java.lang.String XATTRS_JSON

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Constant Field Values

XATTR_NAME_JSON

public static final java.lang.String XATTR_NAME_JSON

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Constant Field Values

XATTR_VALUE_JSON

public static final java.lang.String XATTR_VALUE_JSON

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Constant Field Values

XATTRNAMES_JSON

public static final java.lang.String XATTRNAMES_JSON

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Constant Field Values

ECPOLICY_JSON

public static final java.lang.String ECPOLICY_JSON

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Constant Field Values

SYMLINK_JSON

public static final java.lang.String SYMLINK_JSON

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Constant Field Values

CAPACITY_JSON

public static final java.lang.String CAPACITY_JSON

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Constant Field Values

USED_JSON

public static final java.lang.String USED_JSON

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Constant Field Values

REMAINING_JSON

public static final java.lang.String REMAINING_JSON

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Constant Field Values

IS_TABLE

public static final java.lang.String IS_TABLE

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Constant Field Values

FILE_CHECKSUM_JSON

public static final java.lang.String FILE_CHECKSUM_JSON

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Constant Field Values

CHECKSUM_ALGORITHM_JSON

public static final java.lang.String CHECKSUM_ALGORITHM_JSON

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Constant Field Values

CHECKSUM_BYTES_JSON

public static final java.lang.String CHECKSUM_BYTES_JSON

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Constant Field Values

CHECKSUM_LENGTH_JSON

public static final java.lang.String CHECKSUM_LENGTH_JSON

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Constant Field Values

CONTENT_SUMMARY_JSON

public static final java.lang.String CONTENT_SUMMARY_JSON

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Constant Field Values

CONTENT_SUMMARY_DIRECTORY_COUNT_JSON

public static final java.lang.String CONTENT_SUMMARY_DIRECTORY_COUNT_JSON

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Constant Field Values

CONTENT_SUMMARY_ECPOLICY_JSON

public static final java.lang.String CONTENT_SUMMARY_ECPOLICY_JSON

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Constant Field Values

CONTENT_SUMMARY_FILE_COUNT_JSON

public static final java.lang.String CONTENT_SUMMARY_FILE_COUNT_JSON

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Constant Field Values

CONTENT_SUMMARY_LENGTH_JSON

public static final java.lang.String CONTENT_SUMMARY_LENGTH_JSON

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Constant Field Values

QUOTA_USAGE_JSON

public static final java.lang.String QUOTA_USAGE_JSON

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Constant Field Values

QUOTA_USAGE_FILE_AND_DIRECTORY_COUNT_JSON

public static final java.lang.String QUOTA_USAGE_FILE_AND_DIRECTORY_COUNT_JSON

See Also:

Constant Field Values

QUOTA_USAGE_QUOTA_JSON

public static final java.lang.String QUOTA_USAGE_QUOTA_JSON

See Also:

Constant Field Values

QUOTA_USAGE_SPACE_CONSUMED_JSON

public static final java.lang.String QUOTA_USAGE_SPACE_CONSUMED_JSON

See Also:

Constant Field Values

QUOTA_USAGE_SPACE_QUOTA_JSON

public static final java.lang.String QUOTA_USAGE_SPACE_QUOTA_JSON

See Also:

Constant Field Values

QUOTA_USAGE_CONSUMED_JSON

public static final java.lang.String QUOTA_USAGE_CONSUMED_JSON

See Also:

Constant Field Values

QUOTA_USAGE_TYPE_QUOTA_JSON

public static final java.lang.String QUOTA_USAGE_TYPE_QUOTA_JSON

See Also:

Constant Field Values

ACL_STATUS_JSON

public static final java.lang.String ACL_STATUS_JSON

See Also:

Constant Field Values

ACL_STICKY_BIT_JSON

public static final java.lang.String ACL_STICKY_BIT_JSON

See Also:

Constant Field Values

ACL_ENTRIES_JSON

public static final java.lang.String ACL_ENTRIES_JSON

See Also:

Constant Field Values

ACL_BIT_JSON

public static final java.lang.String ACL_BIT_JSON

See Also:

Constant Field Values

ENC_BIT_JSON

public static final java.lang.String ENC_BIT_JSON

See Also:

Constant Field Values

EC_BIT_JSON

public static final java.lang.String EC_BIT_JSON

See Also:

Constant Field Values

SNAPSHOT_BIT_JSON

public static final java.lang.String SNAPSHOT_BIT_JSON

See Also:

Constant Field Values

DIRECTORY_LISTING_JSON

public static final java.lang.String DIRECTORY_LISTING_JSON

See Also:

Constant Field Values

PARTIAL_LISTING_JSON

public static final java.lang.String PARTIAL_LISTING_JSON

See Also:

Constant Field Values

REMAINING_ENTRIES_JSON

public static final java.lang.String REMAINING_ENTRIES_JSON

See Also:

Constant Field Values

STORAGE_POLICIES_JSON

public static final java.lang.String STORAGE_POLICIES_JSON

See Also:

Constant Field Values

STORAGE_POLICY_JSON

public static final java.lang.String STORAGE_POLICY_JSON

See Also:

Constant Field Values

BLOCK_LOCATIONS_JSON

public static final java.lang.String BLOCK_LOCATIONS_JSON

See Also:

Constant Field Values

HTTP_TEMPORARY_REDIRECT

public static final int HTTP_TEMPORARY_REDIRECT

See Also:

Constant Field Values

Constructor Detail

HttpFSFileSystem

public HttpFSFileSystem()

Method Detail

initialize

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

Called after a new FileSystem instance is constructed.

Overrides:

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

Parameters:

name - a uri whose authority section names the host, port, etc. for this FileSystem

conf - the configuration

Throws:

java.io.IOException

getScheme

public java.lang.String getScheme()

Overrides:

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

getUri

public java.net.URI getUri()

Returns a URI whose scheme and authority identify this FileSystem.

Specified by:

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

Returns:

the URI whose scheme and authority identify this FileSystem.

getDefaultPort

protected int getDefaultPort()

Get the default port for this file system.

Overrides:

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

Returns:

the default port or 0 if there isn't one

open

public org.apache.hadoop.fs.FSDataInputStream open(org.apache.hadoop.fs.Path f,
                                                   int bufferSize)
                                            throws java.io.IOException

Opens an FSDataInputStream at the indicated Path.

IMPORTANT: the returned FSDataInputStream does not support the PositionReadable and Seekable methods.

Specified by:

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

Parameters:

f - the file name to open

bufferSize - the size of the buffer to be used.

Throws:

java.io.IOException

permissionToString

public static java.lang.String permissionToString(org.apache.hadoop.fs.permission.FsPermission p)

Converts a FsPermission to a Unix octal representation.

Parameters:

p - the permission.

Returns:

the Unix string symbolic reprentation.

create

public org.apache.hadoop.fs.FSDataOutputStream create(org.apache.hadoop.fs.Path f,
                                                      org.apache.hadoop.fs.permission.FsPermission permission,
                                                      boolean overwrite,
                                                      int bufferSize,
                                                      short replication,
                                                      long blockSize,
                                                      org.apache.hadoop.util.Progressable progress)
                                               throws java.io.IOException

Opens an FSDataOutputStream at the indicated Path with write-progress reporting.

IMPORTANT: The Progressable parameter is not used.

Specified by:

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

Parameters:

f - the file name to open.

permission - file permission.

overwrite - if a file with this name already exists, then if true, the file will be overwritten, and if false an error will be thrown.

bufferSize - the size of the buffer to be used.

replication - required block replication for the file.

blockSize - block size.

progress - progressable.

Throws:

java.io.IOException

See Also:

setPermission(Path, FsPermission)

append

public org.apache.hadoop.fs.FSDataOutputStream append(org.apache.hadoop.fs.Path f,
                                                      int bufferSize,
                                                      org.apache.hadoop.util.Progressable progress)
                                               throws java.io.IOException

Append to an existing file (optional operation).

IMPORTANT: The Progressable parameter is not used.

Specified by:

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

Parameters:

f - the existing file to be appended.

bufferSize - the size of the buffer to be used.

progress - for reporting progress if it is not null.

Throws:

java.io.IOException

truncate

public boolean truncate(org.apache.hadoop.fs.Path f,
                        long newLength)
                 throws java.io.IOException

Truncate a file.

Overrides:

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

Parameters:

f - the file to be truncated.

newLength - The size the file is to be truncated to.

Throws:

java.io.IOException

concat

public void concat(org.apache.hadoop.fs.Path f,
                   org.apache.hadoop.fs.Path[] psrcs)
            throws java.io.IOException

Concat existing files together.

Overrides:

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

Parameters:

f - the path to the target destination.

psrcs - the paths to the sources to use for the concatenation.

Throws:

java.io.IOException

rename

public boolean rename(org.apache.hadoop.fs.Path src,
                      org.apache.hadoop.fs.Path dst)
               throws java.io.IOException

Renames Path src to Path dst. Can take place on local fs or remote DFS.

Specified by:

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

Throws:

java.io.IOException

delete

@Deprecated
public boolean delete(org.apache.hadoop.fs.Path f)
               throws java.io.IOException

Deprecated.

Use delete(Path, boolean) instead

Delete a file.

Overrides:

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

Throws:

java.io.IOException

delete

public boolean delete(org.apache.hadoop.fs.Path f,
                      boolean recursive)
               throws java.io.IOException

Delete a file.

Specified by:

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

Parameters:

f - the path to delete.

recursive - if path is a directory and set to true, the directory is deleted else throws an exception. In case of a file the recursive can be set to either true or false.

Returns:

true if delete is successful else false.

Throws:

java.io.IOException

listStatus

public org.apache.hadoop.fs.FileStatus[] listStatus(org.apache.hadoop.fs.Path f)
                                             throws java.io.IOException

Get FileStatus of files/directories in the given path. If path corresponds to a file then FileStatus of that file is returned. Else if path represents a directory then FileStatus of all files/directories inside given path is returned.

Specified by:

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

Parameters:

f - given path

Returns:

the statuses of the files/directories in the given path

Throws:

java.io.IOException

listStatusBatch

public org.apache.hadoop.fs.FileSystem.DirectoryEntries listStatusBatch(org.apache.hadoop.fs.Path f,
                                                                        byte[] token)
                                                                 throws java.io.FileNotFoundException,
                                                                        java.io.IOException

Get FileSystem.DirectoryEntries of the given path. FileSystem.DirectoryEntries contains an array of FileStatus, as well as iteration information.

Overrides:

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

Parameters:

f - given path

Returns:

FileSystem.DirectoryEntries for given path

Throws:

java.io.FileNotFoundException

java.io.IOException

setWorkingDirectory

public void setWorkingDirectory(org.apache.hadoop.fs.Path newDir)

Set the current working directory for the given file system. All relative paths will be resolved relative to it.

Specified by:

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

Parameters:

newDir - new directory.

getWorkingDirectory

public org.apache.hadoop.fs.Path getWorkingDirectory()

Get the current working directory for the given file system

Specified by:

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

Returns:

the directory pathname

mkdirs

public boolean mkdirs(org.apache.hadoop.fs.Path f,
                      org.apache.hadoop.fs.permission.FsPermission permission)
               throws java.io.IOException

Make the given file and all non-existent parents into directories. Has the semantics of Unix 'mkdir -p'. Existence of the directory hierarchy is not an error.

Specified by:

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

Throws:

java.io.IOException

getFileStatus

public org.apache.hadoop.fs.FileStatus getFileStatus(org.apache.hadoop.fs.Path f)
                                              throws java.io.IOException

Return a file status object that represents the path.

Specified by:

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

Parameters:

f - The path we want information from

Returns:

a FileStatus object

Throws:

java.io.FileNotFoundException - when the path does not exist; IOException see specific implementation

java.io.IOException

getHomeDirectory

public org.apache.hadoop.fs.Path getHomeDirectory()

Return the current user's home directory in this filesystem. The default implementation returns "/user/$USER/".

Overrides:

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

getTrashRoot

public org.apache.hadoop.fs.Path getTrashRoot(org.apache.hadoop.fs.Path fullPath)

Get the root directory of Trash for a path in HDFS. 1. File in encryption zone returns /ez1/.Trash/username. 2. File not in encryption zone, or encountered exception when checking the encryption zone of the path, returns /users/username/.Trash. Caller appends either Current or checkpoint timestamp for trash destination. The default implementation returns "/user/username/.Trash".

Overrides:

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

Parameters:

fullPath - the trash root of the path to be determined.

Returns:

trash root

setOwner

public void setOwner(org.apache.hadoop.fs.Path p,
                     java.lang.String username,
                     java.lang.String groupname)
              throws java.io.IOException

Set owner of a path (i.e. a file or a directory). The parameters username and groupname cannot both be null.

Overrides:

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

Parameters:

p - The path

username - If it is null, the original username remains unchanged.

groupname - If it is null, the original groupname remains unchanged.

Throws:

java.io.IOException

setPermission

public void setPermission(org.apache.hadoop.fs.Path p,
                          org.apache.hadoop.fs.permission.FsPermission permission)
                   throws java.io.IOException

Set permission of a path.

Overrides:

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

Parameters:

p - path.

permission - permission.

Throws:

java.io.IOException

setTimes

public void setTimes(org.apache.hadoop.fs.Path p,
                     long mtime,
                     long atime)
              throws java.io.IOException

Set access time of a file

Overrides:

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

Parameters:

p - The path

mtime - Set the modification time of this file. The number of milliseconds since Jan 1, 1970. A value of -1 means that this call should not set modification time.

atime - Set the access time of this file. The number of milliseconds since Jan 1, 1970. A value of -1 means that this call should not set access time.

Throws:

java.io.IOException

setReplication

public boolean setReplication(org.apache.hadoop.fs.Path src,
                              short replication)
                       throws java.io.IOException

Set replication for an existing file.

Overrides:

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

Parameters:

src - file name

replication - new replication

Returns:

true if successful; false if file does not exist or is a directory

Throws:

java.io.IOException

modifyAclEntries

public void modifyAclEntries(org.apache.hadoop.fs.Path path,
                             java.util.List<org.apache.hadoop.fs.permission.AclEntry> aclSpec)
                      throws java.io.IOException

Modify the ACL entries for a file.

Overrides:

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

Parameters:

path - Path to modify

aclSpec - describing modifications

Throws:

java.io.IOException

removeAclEntries

public void removeAclEntries(org.apache.hadoop.fs.Path path,
                             java.util.List<org.apache.hadoop.fs.permission.AclEntry> aclSpec)
                      throws java.io.IOException

Remove the specified ACL entries from a file

Overrides:

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

Parameters:

path - Path to modify

aclSpec - describing entries to remove

Throws:

java.io.IOException

removeDefaultAcl

public void removeDefaultAcl(org.apache.hadoop.fs.Path path)
                      throws java.io.IOException

Removes the default ACL for the given file

Overrides:

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

Parameters:

path - Path from which to remove the default ACL.

Throws:

java.io.IOException

removeAcl

public void removeAcl(org.apache.hadoop.fs.Path path)
               throws java.io.IOException

Remove all ACLs from a file

Overrides:

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

Parameters:

path - Path from which to remove all ACLs

Throws:

java.io.IOException

setAcl

public void setAcl(org.apache.hadoop.fs.Path path,
                   java.util.List<org.apache.hadoop.fs.permission.AclEntry> aclSpec)
            throws java.io.IOException

Set the ACLs for the given file

Overrides:

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

Parameters:

path - Path to modify

aclSpec - describing modifications, must include entries for user, group, and others for compatibility with permission bits.

Throws:

java.io.IOException

getAclStatus

public org.apache.hadoop.fs.permission.AclStatus getAclStatus(org.apache.hadoop.fs.Path path)
                                                       throws java.io.IOException

Get the ACL information for a given file

Overrides:

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

Parameters:

path - Path to acquire ACL info for

Returns:

the ACL information in JSON format

Throws:

java.io.IOException

getContentSummary

public org.apache.hadoop.fs.ContentSummary getContentSummary(org.apache.hadoop.fs.Path f)
                                                      throws java.io.IOException

Overrides:

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

Throws:

java.io.IOException

getQuotaUsage

public org.apache.hadoop.fs.QuotaUsage getQuotaUsage(org.apache.hadoop.fs.Path f)
                                              throws java.io.IOException

Overrides:

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

Throws:

java.io.IOException

getFileChecksum

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

Overrides:

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

Throws:

java.io.IOException

getDelegationToken

public org.apache.hadoop.security.token.Token<?> getDelegationToken(java.lang.String renewer)
                                                             throws java.io.IOException

Specified by:

getDelegationToken in interface org.apache.hadoop.security.token.DelegationTokenIssuer

Overrides:

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

Throws:

java.io.IOException

renewDelegationToken

public long renewDelegationToken(org.apache.hadoop.security.token.Token<?> token)
                          throws java.io.IOException

Throws:

java.io.IOException

cancelDelegationToken

public void cancelDelegationToken(org.apache.hadoop.security.token.Token<?> token)
                           throws java.io.IOException

Throws:

java.io.IOException

getRenewToken

public org.apache.hadoop.security.token.Token<?> getRenewToken()

Specified by:

getRenewToken in interface org.apache.hadoop.fs.DelegationTokenRenewer.Renewable

setDelegationToken

public <T extends org.apache.hadoop.security.token.TokenIdentifier> void setDelegationToken(org.apache.hadoop.security.token.Token<T> token)

Specified by:

setDelegationToken in interface org.apache.hadoop.fs.DelegationTokenRenewer.Renewable

setXAttr

public void setXAttr(org.apache.hadoop.fs.Path f,
                     java.lang.String name,
                     byte[] value,
                     java.util.EnumSet<org.apache.hadoop.fs.XAttrSetFlag> flag)
              throws java.io.IOException

Overrides:

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

Throws:

java.io.IOException

getXAttr

public byte[] getXAttr(org.apache.hadoop.fs.Path f,
                       java.lang.String name)
                throws java.io.IOException

Overrides:

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

Throws:

java.io.IOException

getXAttrs

public java.util.Map<java.lang.String,byte[]> getXAttrs(org.apache.hadoop.fs.Path f)
                                                       throws java.io.IOException

Overrides:

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

Throws:

java.io.IOException

getXAttrs

public java.util.Map<java.lang.String,byte[]> getXAttrs(org.apache.hadoop.fs.Path f,
                                                              java.util.List<java.lang.String> names)
                                                       throws java.io.IOException

Overrides:

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

Throws:

java.io.IOException

listXAttrs

public java.util.List<java.lang.String> listXAttrs(org.apache.hadoop.fs.Path f)
                                            throws java.io.IOException

Overrides:

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

Throws:

java.io.IOException

removeXAttr

public void removeXAttr(org.apache.hadoop.fs.Path f,
                        java.lang.String name)
                 throws java.io.IOException

Overrides:

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

Throws:

java.io.IOException

getAllStoragePolicies

public java.util.Collection<org.apache.hadoop.hdfs.protocol.BlockStoragePolicy> getAllStoragePolicies()
                                                                                               throws java.io.IOException

Overrides:

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

Throws:

java.io.IOException

getStoragePolicy

public org.apache.hadoop.hdfs.protocol.BlockStoragePolicy getStoragePolicy(org.apache.hadoop.fs.Path src)
                                                                    throws java.io.IOException

Overrides:

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

Throws:

java.io.IOException

setStoragePolicy

public void setStoragePolicy(org.apache.hadoop.fs.Path src,
                             java.lang.String policyName)
                      throws java.io.IOException

Overrides:

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

Throws:

java.io.IOException

unsetStoragePolicy

public void unsetStoragePolicy(org.apache.hadoop.fs.Path src)
                        throws java.io.IOException

Overrides:

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

Throws:

java.io.IOException

allowSnapshot

public void allowSnapshot(org.apache.hadoop.fs.Path path)
                   throws java.io.IOException

Throws:

java.io.IOException

disallowSnapshot

public void disallowSnapshot(org.apache.hadoop.fs.Path path)
                      throws java.io.IOException

Throws:

java.io.IOException

createSnapshot

public final org.apache.hadoop.fs.Path createSnapshot(org.apache.hadoop.fs.Path path,
                                                      java.lang.String snapshotName)
                                               throws java.io.IOException

Overrides:

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

Throws:

java.io.IOException

renameSnapshot

public void renameSnapshot(org.apache.hadoop.fs.Path path,
                           java.lang.String snapshotOldName,
                           java.lang.String snapshotNewName)
                    throws java.io.IOException

Overrides:

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

Throws:

java.io.IOException

deleteSnapshot

public void deleteSnapshot(org.apache.hadoop.fs.Path path,
                           java.lang.String snapshotName)
                    throws java.io.IOException

Overrides:

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

Throws:

java.io.IOException

getSnapshotDiffReport

public org.apache.hadoop.hdfs.protocol.SnapshotDiffReport getSnapshotDiffReport(org.apache.hadoop.fs.Path path,
                                                                                java.lang.String snapshotOldName,
                                                                                java.lang.String snapshotNewName)
                                                                         throws java.io.IOException

Throws:

java.io.IOException

getSnapshotDiffReportListing

public org.apache.hadoop.hdfs.protocol.SnapshotDiffReportListing getSnapshotDiffReportListing(org.apache.hadoop.fs.Path path,
                                                                                              java.lang.String snapshotOldName,
                                                                                              java.lang.String snapshotNewName,
                                                                                              byte[] snapshotDiffStartPath,
                                                                                              java.lang.Integer snapshotDiffIndex)
                                                                                       throws java.io.IOException

Throws:

java.io.IOException

getSnapshottableDirectoryList

public org.apache.hadoop.hdfs.protocol.SnapshottableDirectoryStatus[] getSnapshottableDirectoryList()
                                                                                             throws java.io.IOException

Throws:

java.io.IOException

getSnapshotListing

public org.apache.hadoop.hdfs.protocol.SnapshotStatus[] getSnapshotListing(org.apache.hadoop.fs.Path snapshotRoot)
                                                                    throws java.io.IOException

Throws:

java.io.IOException

hasPathCapability

public boolean hasPathCapability(org.apache.hadoop.fs.Path path,
                                 java.lang.String capability)
                          throws java.io.IOException

This filesystem's capabilities must be in sync with that of DistributedFileSystem.hasPathCapability() except where the feature is not exposed (e.g. symlinks).

Specified by:

hasPathCapability in interface org.apache.hadoop.fs.PathCapabilities

Overrides:

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

Throws:

java.io.IOException

getServerDefaults

public org.apache.hadoop.fs.FsServerDefaults getServerDefaults()
                                                        throws java.io.IOException

Overrides:

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

Throws:

java.io.IOException

getServerDefaults

public org.apache.hadoop.fs.FsServerDefaults getServerDefaults(org.apache.hadoop.fs.Path p)
                                                        throws java.io.IOException

Overrides:

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

Throws:

java.io.IOException

access

public void access(org.apache.hadoop.fs.Path path,
                   org.apache.hadoop.fs.permission.FsAction mode)
            throws java.io.IOException

Overrides:

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

Throws:

java.io.IOException

setErasureCodingPolicy

public void setErasureCodingPolicy(org.apache.hadoop.fs.Path path,
                                   java.lang.String policyName)
                            throws java.io.IOException

Throws:

java.io.IOException

getErasureCodingPolicy

public org.apache.hadoop.hdfs.protocol.ErasureCodingPolicy getErasureCodingPolicy(org.apache.hadoop.fs.Path path)
                                                                           throws java.io.IOException

Throws:

java.io.IOException

unsetErasureCodingPolicy

public void unsetErasureCodingPolicy(org.apache.hadoop.fs.Path path)
                              throws java.io.IOException

Throws:

java.io.IOException

satisfyStoragePolicy

public void satisfyStoragePolicy(org.apache.hadoop.fs.Path path)
                          throws java.io.IOException

Overrides:

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

Throws:

java.io.IOException

getFileBlockLocations

public org.apache.hadoop.fs.BlockLocation[] getFileBlockLocations(org.apache.hadoop.fs.Path path,
                                                                  long start,
                                                                  long len)
                                                           throws java.io.IOException

Overrides:

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

Throws:

java.io.IOException

getFileBlockLocations

public org.apache.hadoop.fs.BlockLocation[] getFileBlockLocations(org.apache.hadoop.fs.FileStatus status,
                                                                  long offset,
                                                                  long length)
                                                           throws java.io.IOException

Overrides:

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

Throws:

java.io.IOException

getFileLinkStatus

public org.apache.hadoop.fs.FileStatus getFileLinkStatus(org.apache.hadoop.fs.Path path)
                                                  throws java.io.IOException

Overrides:

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

Throws:

java.io.IOException

getStatus

public org.apache.hadoop.fs.FsStatus getStatus(org.apache.hadoop.fs.Path path)
                                        throws java.io.IOException

Overrides:

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

Throws:

java.io.IOException

getAllErasureCodingPolicies

public java.util.Collection<org.apache.hadoop.hdfs.protocol.ErasureCodingPolicyInfo> getAllErasureCodingPolicies()
                                                                                                          throws java.io.IOException

Throws:

java.io.IOException

getAllErasureCodingCodecs

public java.util.Map<java.lang.String,java.lang.String> getAllErasureCodingCodecs()
                                                                                 throws java.io.IOException

Throws:

java.io.IOException

getTrashRoots

public java.util.Collection<org.apache.hadoop.fs.FileStatus> getTrashRoots(boolean allUsers)

Overrides:

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