FileSystemStore (Hadoop 1.2.2-SNAPSHOT API)

```
public interface FileSystemStore
```
A facility for storing and retrieving INodes and Blocks.

方法
限定符和类型	方法和说明
`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)`

void initialize(URI uri,
              Configuration conf)
                throws IOException

String getVersion()
                  throws IOException

void storeINode(Path path,
              INode inode)
                throws IOException

void storeBlock(Block block,
              File file)
                throws IOException

boolean inodeExists(Path path)
                    throws IOException

boolean blockExists(long blockId)
                    throws IOException

INode retrieveINode(Path path)
                    throws IOException

File retrieveBlock(Block block,
                 long byteRangeStart)
                   throws IOException

void deleteINode(Path path)
                 throws IOException

void deleteBlock(Block block)
                 throws IOException

Set<Path> listSubPaths(Path path)
                       throws IOException

Set<Path> listDeepSubPaths(Path path)
                           throws IOException

接口 FileSystemStore