org.chocosolver.memory

Class IStateIntVector

java.lang.Object

org.chocosolver.memory.IStateIntVector

Direct Known Subclasses:

StoredIntVector

public abstract class IStateIntVector
extends Object

Describes an search vector with states (describing some history of the data structure).

Field Summary

Fields

Modifier and Type	Field and Description
protected int[]	elementData Contains the elements of the vector.
protected IEnvironment	environment The current environment.
static int	MIN_CAPACITY Minimal capacity of a vector
protected IStateInt	size A backtrackable search with the size of the vector.

Constructor Summary

Constructors

Constructor and Description
IStateIntVector(IEnvironment env, int[] entries)
IStateIntVector(IEnvironment env, int initialSize, int initialValue)

Method Summary

Modifier and Type	Method and Description
abstract void	add(int i) Adds a new search at the end of the vector.
int	quickGet(int index) access an element without any bound check
abstract int	quickSet(int index, int val) Assigns a new value val to the element indexth and return the old value without bound check
protected boolean	rangeCheck(int index)
abstract int	set(int index, int val) Assigns a new value val to the element index and returns the old value

Methods inherited from class java.lang.Object

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

Field Detail

MIN_CAPACITY

public static final int MIN_CAPACITY

Minimal capacity of a vector

See Also:

Constant Field Values

elementData

protected int[] elementData

Contains the elements of the vector.

size

protected IStateInt size

A backtrackable search with the size of the vector.

environment

protected final IEnvironment environment

The current environment.

Constructor Detail

IStateIntVector

public IStateIntVector(IEnvironment env,
                       int initialSize,
                       int initialValue)

IStateIntVector

public IStateIntVector(IEnvironment env,
                       int[] entries)

Method Detail

rangeCheck

protected boolean rangeCheck(int index)

add

public abstract void add(int i)

Adds a new search at the end of the vector.

Parameters:

i - The search to add.

quickGet

public int quickGet(int index)

access an element without any bound check

Parameters:

index - index of the element

Returns:

the value

set

public abstract int set(int index,
                        int val)

Assigns a new value val to the element index and returns the old value

quickSet

public abstract int quickSet(int index,
                             int val)

Assigns a new value val to the element indexth and return the old value without bound check

Parameters:

index - the index where the value is modified

val - the new value

Returns:

the old value