com.bigdata.journal

Interface IDiskBasedStrategy

All Superinterfaces:

IAddressManager, IBufferStrategy, ICounterSetAccess, IMRMW, IMROW, IRawStore, IStreamStore

All Known Implementing Classes:

DirectBufferStrategy, DiskBackedBufferStrategy, DiskOnlyStrategy, MappedBufferStrategy, WORMStrategy

public interface IDiskBasedStrategy
extends IBufferStrategy

An interface for implementations backed by a file on disk.

Version:

$Id$

Author:

Bryan Thompson

Field Summary

Fields inherited from interface com.bigdata.rawstore.IAddressManager

NULL

Method Summary

Methods

Modifier and Type	Method and Description
FileChannel	getChannel() The channel used to read and write on the file.
File	getFile() The backing file.
int	getHeaderSize() The size of the file header in bytes.
RandomAccessFile	getRandomAccessFile() The object used to read and write on that file.

Methods inherited from interface com.bigdata.journal.IBufferStrategy

abort, closeForWrites, commit, getAddressManager, getBufferMode, getCounters, getExtent, getInitialExtent, getMaximumExtent, getMaxRecordSize, getMetaBitsAddr, getMetaStartAddr, getNextOffset, getOffsetBits, getUserExtent, isDirty, readRootBlock, requiresCommit, transferTo, truncate, useChecksums, writeRootBlock

Methods inherited from interface com.bigdata.rawstore.IRawStore

close, delete, deleteResources, destroy, force, getResourceMetadata, getUUID, isFullyBuffered, isOpen, isReadOnly, isStable, read, size, write

Methods inherited from interface com.bigdata.rawstore.IAddressManager

getByteCount, getOffset, getPhysicalAddress, toAddr, toString

Methods inherited from interface com.bigdata.rawstore.IStreamStore

getInputStream, getOutputStream

Method Detail

getHeaderSize

int getHeaderSize()

The size of the file header in bytes.

Specified by:

getHeaderSize in interface IBufferStrategy

getFile

File getFile()

The backing file.

Specified by:

getFile in interface IRawStore

getRandomAccessFile

RandomAccessFile getRandomAccessFile()

The object used to read and write on that file.

getChannel

FileChannel getChannel()

The channel used to read and write on the file.