com.bigdata.journal
Interface IDiskBasedStrategy

All Superinterfaces:

IAddressManager, IBufferStrategy, IMRMW, IMROW, IRawStore, IStoreSerializer

All Known Implementing Classes:

BufferedDiskStrategy, DirectBufferStrategy, DiskBackedBufferStrategy, DiskOnlyStrategy, MappedBufferStrategy

public interface IDiskBasedStrategy
extends IBufferStrategy

An interface for implementations backed by a file on disk.

Version:

$Id: IDiskBasedStrategy.java 2265 2009-10-26 12:51:06Z thompsonbry $

Author:

Bryan Thompson

Field Summary

Fields inherited from interface com.bigdata.rawstore.IAddressManager

NULL

Method Summary

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

closeForWrites, getBufferMode, getCounters, getExtent, getInitialExtent, getMaximumExtent, getNextOffset, getUserExtent, readRootBlock, transferTo, truncate, writeRootBlock

Methods inherited from interface com.bigdata.rawstore.IRawStore

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

Methods inherited from interface com.bigdata.rawstore.IAddressManager

getByteCount, getOffset, packAddr, toAddr, toString, unpackAddr

Methods inherited from interface com.bigdata.rawstore.IStoreSerializer

deserialize, deserialize, deserialize, serialize

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.