alluxio.underfs.kodo

Class KodoUnderFileSystem

java.lang.Object

alluxio.underfs.BaseUnderFileSystem

alluxio.underfs.ObjectUnderFileSystem

alluxio.underfs.kodo.KodoUnderFileSystem

All Implemented Interfaces:

UnderFileSystem, Closeable, AutoCloseable

public class KodoUnderFileSystem
extends ObjectUnderFileSystem

Qiniu Kodo UnderFileSystem implementation.

Nested Class Summary

Nested classes/interfaces inherited from class alluxio.underfs.ObjectUnderFileSystem

ObjectUnderFileSystem.DeleteBuffer, ObjectUnderFileSystem.ObjectListingChunk, ObjectUnderFileSystem.ObjectPermissions, ObjectUnderFileSystem.ObjectStatus, ObjectUnderFileSystem.OperationBuffer<T>, ObjectUnderFileSystem.RenameBuffer

Nested classes/interfaces inherited from interface alluxio.underfs.UnderFileSystem

UnderFileSystem.Factory, UnderFileSystem.SpaceType

Field Summary

Fields inherited from class alluxio.underfs.ObjectUnderFileSystem

mExecutorService, mRootKeySupplier, PATH_SEPARATOR, PATH_SEPARATOR_CHAR

Fields inherited from class alluxio.underfs.BaseUnderFileSystem

mUfsConf, mUri

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	KodoUnderFileSystem(AlluxioURI uri, KodoClient kodoclient, UnderFileSystemConfiguration conf)

Method Summary

Modifier and Type	Method and Description
protected boolean	copyObject(String src, String dst)
boolean	createEmptyObject(String key)
protected OutputStream	createObject(String key)
protected static KodoUnderFileSystem	creatInstance(AlluxioURI uri, UnderFileSystemConfiguration conf)
protected boolean	deleteObject(String key)
protected String	getFolderSuffix()
protected ObjectUnderFileSystem.ObjectListingChunk	getObjectListingChunk(String key, boolean recursive)
protected ObjectUnderFileSystem.ObjectStatus	getObjectStatus(String key) Gets metadata information about object.
protected ObjectUnderFileSystem.ObjectPermissions	getPermissions()
protected String	getRootKey() Gets full path of root in object store.
String	getUnderFSType()
protected InputStream	openObject(String key, OpenOptions options, RetryPolicy retryPolicy)
void	setMode(String path, short mode)
void	setOwner(String path, String user, String group)

Methods inherited from class alluxio.underfs.ObjectUnderFileSystem

cleanup, close, connectFromMaster, connectFromWorker, convertToFolderName, create, createNonexistingFile, createNonexistingFile, deleteDirectory, deleteExistingDirectory, deleteExistingDirectory, deleteExistingFile, deleteFile, deleteObjects, getBlockSizeByte, getChildName, getDirectoryStatus, getExistingDirectoryStatus, getExistingFileStatus, getExistingStatus, getFileLocations, getFileLocations, getFileStatus, getListingChunkLength, getListingChunkLengthMax, getObjectListingChunkForPath, getParentPath, getSpace, getStatus, isDirectory, isExistingDirectory, isFile, isObjectStorage, isRoot, listInternal, listStatus, listStatus, mkdirs, mkdirsInternal, open, openExistingFile, openExistingFile, parentExists, renameDirectory, renameFile, renameRenamableDirectory, renameRenamableFile, stripPrefixIfPresent, supportsFlush

Methods inherited from class alluxio.underfs.BaseUnderFileSystem

create, deleteDirectory, exists, getAclPair, getActiveSyncInfo, getFingerprint, getOperationMode, getPhysicalStores, isSeekable, mkdirs, open, resolveUri, setAclEntries, startActiveSyncPolling, startSync, stopActiveSyncPolling, stopSync, supportsActiveSync, validatePath

Methods inherited from class java.lang.Object

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

Constructor Detail

KodoUnderFileSystem

protected KodoUnderFileSystem(AlluxioURI uri,
                              KodoClient kodoclient,
                              UnderFileSystemConfiguration conf)

Method Detail

creatInstance

protected static KodoUnderFileSystem creatInstance(AlluxioURI uri,
                                                   UnderFileSystemConfiguration conf)

getUnderFSType

public String getUnderFSType()

setOwner

public void setOwner(String path,
                     String user,
                     String group)

setMode

public void setMode(String path,
                    short mode)
             throws IOException

Throws:

IOException

copyObject

protected boolean copyObject(String src,
                             String dst)

Specified by:

copyObject in class ObjectUnderFileSystem

createEmptyObject

public boolean createEmptyObject(String key)

Specified by:

createEmptyObject in class ObjectUnderFileSystem

createObject

protected OutputStream createObject(String key)
                             throws IOException

Specified by:

createObject in class ObjectUnderFileSystem

Throws:

IOException

deleteObject

protected boolean deleteObject(String key)

Specified by:

deleteObject in class ObjectUnderFileSystem

getFolderSuffix

protected String getFolderSuffix()

Specified by:

getFolderSuffix in class ObjectUnderFileSystem

getObjectListingChunk

@Nullable
protected ObjectUnderFileSystem.ObjectListingChunk getObjectListingChunk(String key,
                                                                                   boolean recursive)
                                                                            throws IOException

Specified by:

getObjectListingChunk in class ObjectUnderFileSystem

Throws:

IOException

getObjectStatus

@Nullable
protected ObjectUnderFileSystem.ObjectStatus getObjectStatus(String key)

Gets metadata information about object. Implementations should process the key as is, which may be a file or a directory key.

Specified by:

getObjectStatus in class ObjectUnderFileSystem

Parameters:

key - ufs key to get metadata for

Returns:

ObjectStatus if key exists and successful, otherwise null

getPermissions

protected ObjectUnderFileSystem.ObjectPermissions getPermissions()

Specified by:

getPermissions in class ObjectUnderFileSystem

openObject

protected InputStream openObject(String key,
                                 OpenOptions options,
                                 RetryPolicy retryPolicy)

Specified by:

openObject in class ObjectUnderFileSystem

getRootKey

protected String getRootKey()

Gets full path of root in object store.

Specified by:

getRootKey in class ObjectUnderFileSystem

Returns:

full path including scheme and bucket