org.tranche.flatfile
Class DataBlockCacheEntry

java.lang.Object
  org.tranche.flatfile.DataBlockCacheEntry

public class DataBlockCacheEntry
extends java.lang.Object

An individual entry in the DataBlockUtil cache, which can be turned on and off.

Author:

Bryan Smith - bryanesmith@gmail.com

Field Summary

protected BigHash	chunkHash The hash representing the data chunk.
protected DataBlock	dataBlock Which DataBlock contains the chunk.
protected int	offset The offset, in bytes, of where the chunk exists in the DataBlock.
protected int	size The size, in bytes, of the chunk.

Method Summary

static DataBlockCacheEntry	create(BigHash chunkHash, DataBlock dataBlock, int offset, int size) Create an entry for the cache.
boolean	equals(java.lang.Object h)
int	hashCode()

Methods inherited from class java.lang.Object

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

Field Detail

chunkHash

protected final BigHash chunkHash

The hash representing the data chunk.

dataBlock

protected final DataBlock dataBlock

Which DataBlock contains the chunk.

offset

protected final int offset

The offset, in bytes, of where the chunk exists in the DataBlock.

size

protected final int size

The size, in bytes, of the chunk.

Method Detail

create

public static DataBlockCacheEntry create(BigHash chunkHash,
                                         DataBlock dataBlock,
                                         int offset,
                                         int size)

Create an entry for the cache.

Parameters:

chunkHash -

dataBlock -

offset - Offset of chunk in payload of DataBlock

Returns:

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object h)

Overrides:

equals in class java.lang.Object