org.h2.mvstore
Class Chunk

java.lang.Object
  org.h2.mvstore.Chunk

public class Chunk
extends java.lang.Object

A chunk of data, containing one or multiple pages.

Chunks are page aligned (each page is usually 4096 bytes). There are at most 67 million (2^26) chunks, each chunk is at most 2 GB large. File format: 1 byte: 'c' 4 bytes: length 4 bytes: chunk id (an incrementing number) 4 bytes: pageCount 8 bytes: metaRootPos 8 bytes: maxLengthLive [ Page ] *

Method Summary

java.lang.String	asString() Get the chunk data as a string.
boolean	equals(java.lang.Object o)
static Chunk	fromString(java.lang.String s) Build a block from the given string.
int	getFillRate()
int	hashCode()

Methods inherited from class java.lang.Object

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

Method Detail

fromString

public static Chunk fromString(java.lang.String s)

Build a block from the given string.

Parameters:

s - the string

Returns:

the block

getFillRate

public int getFillRate()

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

asString

public java.lang.String asString()

Get the chunk data as a string.

Returns:

the string