Package org.terracotta.offheapstore.disk.paging

Class PowerOfTwoFileAllocator.Region

java.lang.Object

org.terracotta.offheapstore.disk.paging.PowerOfTwoFileAllocator.Region

Enclosing class:

PowerOfTwoFileAllocator

static class PowerOfTwoFileAllocator.Region
extends java.lang.Object

Class that represents the regions held within this set.

Field Summary

Fields

Modifier and Type	Field	Description
private long	availableBitSet
private long	end
private PowerOfTwoFileAllocator.Region	left
private int	level
private PowerOfTwoFileAllocator.Region	right
private long	start

Constructor Summary

Constructors

Constructor	Description
Region()
Region(long value)
Region(long start, long end)	Creates a region containing the given range of values (inclusive).
Region(PowerOfTwoFileAllocator.Region r)	Create a shallow copy of a region.

Method Summary

Modifier and Type	Method	Description
(package private) long	available()
(package private) long	availableHere()
private java.lang.String	dump()
long	end()
boolean	isNull()
(package private) void	left(PowerOfTwoFileAllocator.Region l)
void	merge(PowerOfTwoFileAllocator.Region r)	Merge the supplied region into this region (if they are adjoining).
int	orderRelativeTo(PowerOfTwoFileAllocator.Region other)	Order this region relative to another.
PowerOfTwoFileAllocator.Region	remove(PowerOfTwoFileAllocator.Region r)
(package private) void	right(PowerOfTwoFileAllocator.Region r)
long	size()	Returns the size of this range (the number of values within its bounds).
long	start()	Returns the start of this range (inclusive).
private void	swap(PowerOfTwoFileAllocator.Region other)
java.lang.String	toString()
private void	updateAvailable()

Methods inherited from class java.lang.Object

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

Field Detail

left

private PowerOfTwoFileAllocator.Region left

right

private PowerOfTwoFileAllocator.Region right

level

private int level

start

private long start

end

private long end

availableBitSet

private long availableBitSet

Constructor Detail

Region

Region()

Region

Region(long value)

Region

Region(long start,
       long end)

Creates a region containing the given range of values (inclusive).

Region

Region(PowerOfTwoFileAllocator.Region r)

Create a shallow copy of a region.

The new Region has NULL left and right children.

Method Detail

available

long available()

updateAvailable

private void updateAvailable()

availableHere

long availableHere()

left

void left(PowerOfTwoFileAllocator.Region l)

right

void right(PowerOfTwoFileAllocator.Region r)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

dump

private java.lang.String dump()

size

public long size()

Returns the size of this range (the number of values within its bounds).

isNull

public boolean isNull()

remove

public PowerOfTwoFileAllocator.Region remove(PowerOfTwoFileAllocator.Region r)

merge

public void merge(PowerOfTwoFileAllocator.Region r)

Merge the supplied region into this region (if they are adjoining).

Parameters:

r - region to merge

orderRelativeTo

public int orderRelativeTo(PowerOfTwoFileAllocator.Region other)

Order this region relative to another.

swap

private void swap(PowerOfTwoFileAllocator.Region other)

start

public long start()

Returns the start of this range (inclusive).

end

public long end()