org.openrdf.sesame.sailimpl.nativerdf.datastore
Class HashFile

java.lang.Object
  org.openrdf.sesame.sailimpl.nativerdf.datastore.HashFile

public class HashFile

extends Object

Class supplying access to a hash file. This class is a wrapper class. The actual hash file stuff is implemented in the inner class HashFile0.

Version:

$Revision: 1.10.4.4 $

Author:

Arjohn Kampman

Nested Class Summary

static class

HashFile.OffsetIterator

Constructor Summary

HashFile(File file)

Method Summary

void	clear()
void	close()
void	commitTransaction()
HashFile.OffsetIterator	getOffsetIterator(int hash, boolean dirtyReads)
static void	main(String[] args)
void	rollbackTransaction()
void	startTransaction(boolean isolateTransaction)
void	storeOffset(int hash, long dataOffset)

Methods inherited from class java.lang.Object

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

Constructor Detail

HashFile

public HashFile(File file)
         throws IOException

Method Detail

startTransaction

public void startTransaction(boolean isolateTransaction)
                      throws IOException

Throws:

IOException

commitTransaction

public void commitTransaction()
                       throws IOException

Throws:

IOException

rollbackTransaction

public void rollbackTransaction()
                         throws IOException

Throws:

IOException

storeOffset

public void storeOffset(int hash,
                        long dataOffset)
                 throws IOException

Throws:

IOException

clear

public void clear()
           throws IOException

Throws:

IOException

getOffsetIterator

public HashFile.OffsetIterator getOffsetIterator(int hash,
                                                 boolean dirtyReads)
                                          throws IOException

Throws:

IOException

close

public void close()
           throws IOException

Throws:

IOException

main

public static void main(String[] args)
                 throws Exception

Throws:

Exception