Progeneric.Ptl.Allocators

Class BitAlloc64

java.lang.Object

Progeneric.Ptl.Allocators.BitAlloc64

All Implemented Interfaces:

IAllocator64

public class BitAlloc64
extends java.lang.Object
implements IAllocator64

Implements an allocator using a bitset to keep track of the allocated and released addresses. The container is allocated in memory and can generate at most 281,474,976,710,656 addresses.

Constructor Summary

Constructors

Constructor and Description
BitAlloc64() Creates a new instance of BitAlloc64.

Method Summary

Methods

Modifier and Type	Method and Description
long	Allocate() Returns the next available location (address).
boolean	CanAllocate() Returns true if the allocator's Size is less than its MaxSize.
void	Clear() Frees all locations (addresses).
long	Count() Returns the number of addresses already allocated.
void	Deallocate(long address) Frees a location (address) that was allocated with Allocate().
long	MaxSize() Returns the allocator's maximum possible size (the highest address).
long	Size() Returns the number of addresses.

Methods inherited from class java.lang.Object

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

Constructor Detail

BitAlloc64

public BitAlloc64()

Creates a new instance of BitAlloc64.

Method Detail

Size

public long Size()

Returns the number of addresses.

Returns:

The number of addresses.

MaxSize

public long MaxSize()

Returns the allocator's maximum possible size (the highest address).

Returns:

The allocator's maximum possible size (the highest address).

Count

public long Count()

Returns the number of addresses already allocated.

Returns:

The number of addresses already allocated.

CanAllocate

public boolean CanAllocate()

Returns true if the allocator's Size is less than its MaxSize.

Returns:

True if the allocator's Size is less than its MaxSize.

Allocate

public long Allocate()

Returns the next available location (address).

Specified by:

Allocate in interface IAllocator64

Returns:

The next available location (address).

Deallocate

public void Deallocate(long address)

Frees a location (address) that was allocated with Allocate().

Specified by:

Deallocate in interface IAllocator64

Parameters:

address - The address to be released.

Clear

public void Clear()

Frees all locations (addresses).