org.apache.hadoop.fs.s3
Interface FileSystemStore

public interface FileSystemStore

A facility for storing and retrieving INodes and Blocks.

Method Summary

boolean	blockExists(long blockId)
void	deleteBlock(Block block)
void	deleteINode(Path path)
void	dump() Diagnostic method to dump all INodes to the console.
String	getVersion()
void	initialize(URI uri, Configuration conf)
boolean	inodeExists(Path path)
Set<Path>	listDeepSubPaths(Path path)
Set<Path>	listSubPaths(Path path)
void	purge() Delete everything.
File	retrieveBlock(Block block, long byteRangeStart)
INode	retrieveINode(Path path)
void	storeBlock(Block block, File file)
void	storeINode(Path path, INode inode)

Method Detail

initialize

void initialize(URI uri,
                Configuration conf)
                throws IOException

Throws:

IOException

getVersion

String getVersion()
                  throws IOException

Throws:

IOException

storeINode

void storeINode(Path path,
                INode inode)
                throws IOException

Throws:

IOException

storeBlock

void storeBlock(Block block,
                File file)
                throws IOException

Throws:

IOException

inodeExists

boolean inodeExists(Path path)
                    throws IOException

Throws:

IOException

blockExists

boolean blockExists(long blockId)
                    throws IOException

Throws:

IOException

retrieveINode

INode retrieveINode(Path path)
                    throws IOException

Throws:

IOException

retrieveBlock

File retrieveBlock(Block block,
                   long byteRangeStart)
                   throws IOException

Throws:

IOException

deleteINode

void deleteINode(Path path)
                 throws IOException

Throws:

IOException

deleteBlock

void deleteBlock(Block block)
                 throws IOException

Throws:

IOException

listSubPaths

Set<Path> listSubPaths(Path path)
                       throws IOException

Throws:

IOException

listDeepSubPaths

Set<Path> listDeepSubPaths(Path path)
                           throws IOException

Throws:

IOException

purge

void purge()
           throws IOException

Delete everything. Used for testing.

Throws:

IOException

dump

void dump()
          throws IOException

Diagnostic method to dump all INodes to the console.

Throws:

IOException