Class FastCDC

java.lang.Object

utils.FastCDC

public class FastCDC
extends Object

A class with methods to execute content defined chunking. Implemented using the following paper: this as a base

Constructor Summary

Constructors

Constructor	Description
FastCDC(ChunkingData chunkingData)

Method Summary

Modifier and Type	Method	Description
void	forEachChunk(InputStream inputStream, BiConsumer<byte[],Integer> consumer)	Finds all the chunks of a provided input stream and allows the use of a consumer to execute operations on each chunk
int	getBreakpoint(byte[] buffer, int length)	Gets the next breakpoint of the passed bytes and returns it
List<byte[]>	getChunks(InputStream inputStream)	Performs FastCDC on an InputStream and returns the chunks

Methods inherited from class Object

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

Constructor Details

FastCDC

public FastCDC(ChunkingData chunkingData)

Method Details

getBreakpoint

public int getBreakpoint(byte[] buffer,
 int length)

Gets the next breakpoint of the passed bytes and returns it

Parameters:

buffer - The bytes to check

length - The length of the buffer

Returns:

The breakpoint of the passed bytes

getChunks

public List<byte[]> getChunks(InputStream inputStream)
                       throws CDCException

Performs FastCDC on an InputStream and returns the chunks

Parameters:

inputStream - The InputStream to perform CDC on

Returns:

The found chunks

Throws:

CDCException - if CDC fails

forEachChunk

public void forEachChunk(InputStream inputStream,
 BiConsumer<byte[],Integer> consumer)
                  throws CDCException

Finds all the chunks of a provided input stream and allows the use of a consumer to execute operations on each chunk

Parameters:

inputStream - the to chunk

consumer - the consumer to execute

Throws:

CDCException - if the CDC failed