org.h2.mvstore
Class FreeSpaceList

java.lang.Object
  org.h2.mvstore.FreeSpaceList

public class FreeSpaceList
extends java.lang.Object

A list that maintains ranges of free space (in pages) in a file.

Constructor Summary

FreeSpaceList()

Method Summary

int	allocatePages(long length) Allocate a number of pages.
void	clear() Reset the list.
void	markFree(Chunk c) Mark the chunk as free.
void	markUsed(Chunk c) Mark a chunk as used.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

FreeSpaceList

public FreeSpaceList()

Method Detail

clear

public void clear()

Reset the list.

allocatePages

public int allocatePages(long length)

Allocate a number of pages.

Parameters:

length - the number of bytes to allocate

Returns:

the position in pages

markUsed

public void markUsed(Chunk c)

Mark a chunk as used.

Parameters:

c - the chunk

markFree

public void markFree(Chunk c)

Mark the chunk as free.

Parameters:

c - the chunk

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object