jopt.csp.spi.solver
Class ChoicePointLongArray

java.lang.Object
  jopt.csp.spi.solver.ChoicePointLongArray

All Implemented Interfaces:

ChoicePointNumArraySet.StackList

public class ChoicePointLongArray

extends java.lang.Object

implements ChoicePointNumArraySet.StackList

A long array that stores data for an object that needs to record changes in a ChoicePointStack so the changes can be pushed onto the stack and later rolled back when the stack is popped.

This class is not thread safe.

Version:

$Revision: 1.2 $

Author:

Nick Coleman

Constructor Summary

ChoicePointLongArray()
Creates a new ChoicePointLongArray

Method Summary

void	add(long val) Adds a value to the end of the list
long	get(int offset) Retrieves a value in list
void	pop() Performs actions necessary to pop data
java.lang.Object	popDelta()
void	push() Performs actions necessary to push data
void	pushDelta(java.lang.Object delta)
long	remove(int offset) Retrieves a value from list
void	set(int offset, long val) Stores a value in list
int	size() Returns current size of list

Methods inherited from class java.lang.Object

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

Constructor Detail

ChoicePointLongArray

public ChoicePointLongArray()

Creates a new ChoicePointLongArray

Method Detail

push

public void push()

Performs actions necessary to push data

Specified by:

push in interface ChoicePointNumArraySet.StackList

pushDelta

public void pushDelta(java.lang.Object delta)

Specified by:

pushDelta in interface ChoicePointNumArraySet.StackList

pop

public void pop()

Performs actions necessary to pop data

Specified by:

pop in interface ChoicePointNumArraySet.StackList

popDelta

public java.lang.Object popDelta()

Specified by:

popDelta in interface ChoicePointNumArraySet.StackList

size

public int size()

Returns current size of list

add

public void add(long val)

Adds a value to the end of the list

Parameters:

val -

set

public void set(int offset,
                long val)

Stores a value in list

Parameters:

offset - Offset of value in list

val - Value to append to the list

get

public long get(int offset)

Retrieves a value in list

Parameters:

offset - Offset of value in list

remove

public long remove(int offset)

Retrieves a value from list

Parameters:

offset - Offset of value in list