org.apache.crail.core

Class CoreDataStore

java.lang.Object

org.apache.crail.CrailStore

org.apache.crail.core.CoreDataStore

public class CoreDataStore
extends CrailStore

Constructor Summary

Constructors

Constructor and Description
CoreDataStore(CrailConfiguration conf)

Method Summary

Modifier and Type	Method and Description
DirectoryInputStream	_listEntries(String name, boolean randomize)
CrailBuffer	allocateBuffer()
void	closeFile(FileInfo fileInfo)
void	closeFileSystem()
Upcoming<CrailNode>	create(String path, CrailNodeType type, CrailStorageClass storageClass, CrailLocationClass locationClass, boolean enumerable)
Upcoming<CrailNode>	delete(String path, boolean recursive)
void	dumpNameNode()
void	freeBuffer(CrailBuffer buffer)
CrailBlockLocation[]	getBlockLocations(String path, long start, long len)
BufferCache	getBufferCache()
BufferCheckpoint	getBufferCheckpoint()
int	getFsId()
CrailLocationClass	getLocationClass()
CrailStatistics	getStatistics()
DirectoryInputStream	listEntries(String name)
Upcoming<CrailNode>	lookup(String path)
void	ping()
void	purgeCache()
Upcoming<CrailNode>	rename(String src, String dst)

Methods inherited from class org.apache.crail.CrailStore

close, newInstance

Methods inherited from class java.lang.Object

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

Constructor Detail

CoreDataStore

public CoreDataStore(CrailConfiguration conf)
              throws Exception

Throws:

Exception

Method Detail

create

public Upcoming<CrailNode> create(String path,
                                  CrailNodeType type,
                                  CrailStorageClass storageClass,
                                  CrailLocationClass locationClass,
                                  boolean enumerable)
                           throws Exception

Specified by:

create in class CrailStore

Throws:

Exception

lookup

public Upcoming<CrailNode> lookup(String path)
                           throws Exception

Specified by:

lookup in class CrailStore

Throws:

Exception

rename

public Upcoming<CrailNode> rename(String src,
                                  String dst)
                           throws Exception

Specified by:

rename in class CrailStore

Throws:

Exception

delete

public Upcoming<CrailNode> delete(String path,
                                  boolean recursive)
                           throws Exception

Specified by:

delete in class CrailStore

Throws:

Exception

listEntries

public DirectoryInputStream listEntries(String name)
                                 throws Exception

Throws:

Exception

_listEntries

public DirectoryInputStream _listEntries(String name,
                                         boolean randomize)
                                  throws Exception

Throws:

Exception

getBlockLocations

public CrailBlockLocation[] getBlockLocations(String path,
                                              long start,
                                              long len)
                                       throws Exception

Throws:

Exception

dumpNameNode

public void dumpNameNode()
                  throws Exception

Throws:

Exception

ping

public void ping()
          throws Exception

Throws:

Exception

allocateBuffer

public CrailBuffer allocateBuffer()
                           throws IOException

Specified by:

allocateBuffer in class CrailStore

Throws:

IOException

freeBuffer

public void freeBuffer(CrailBuffer buffer)
                throws IOException

Specified by:

freeBuffer in class CrailStore

Throws:

IOException

getFsId

public int getFsId()

getLocationClass

public CrailLocationClass getLocationClass()

Specified by:

getLocationClass in class CrailStore

getBufferCheckpoint

public BufferCheckpoint getBufferCheckpoint()

getStatistics

public CrailStatistics getStatistics()

Specified by:

getStatistics in class CrailStore

closeFileSystem

public void closeFileSystem()
                     throws Exception

Specified by:

closeFileSystem in class CrailStore

Throws:

Exception

closeFile

public void closeFile(FileInfo fileInfo)
               throws Exception

Throws:

Exception

getBufferCache

public BufferCache getBufferCache()

purgeCache

public void purgeCache()