org.chocosolver.memory

Class IStateDoubleVector

java.lang.Object

org.chocosolver.memory.IStateDoubleVector

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

RcDoubleVector, StoredDoubleVector

public abstract class IStateDoubleVector
extends Object
implements Serializable

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

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected double[]	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

Modifier	Constructor and Description
protected	IStateDoubleVector(IEnvironment env, double[] entries)
protected	IStateDoubleVector(IEnvironment env, int initialSize, double initialValue)

Method Summary

Methods

Modifier and Type	Method and Description
abstract void	add(double i) Adds a new search at the end of the vector.
double[]	deepCopy()
double	get(int index) Returns the indexth element of the vector.
boolean	isEmpty() Checks if the vector is empty.
double	quickGet(int index) return the indexth element of the vector without an bound check.
abstract double	quickSet(int index, double val) Unsafe setter => don't do bound verification
protected boolean	rangeCheck(int index)
abstract void	remove(int i) Removes an int.
abstract void	removeLast() removes the search at the end of the vector.
abstract double	set(int index, double val) Assigns a new value val to the element index and returns the old value
int	size() Returns the current size of the stored search vector.

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 double[] 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

IStateDoubleVector

protected IStateDoubleVector(IEnvironment env,
                  int initialSize,
                  double initialValue)

IStateDoubleVector

protected IStateDoubleVector(IEnvironment env,
                  double[] entries)

Method Detail

size

public final int size()

Returns the current size of the stored search vector.

isEmpty

public final boolean isEmpty()

Checks if the vector is empty.

add

public abstract void add(double i)

Adds a new search at the end of the vector.

Parameters:

i - The search to add.

remove

public abstract void remove(int i)

Removes an int.

Parameters:

i - The search to remove.

removeLast

public abstract void removeLast()

removes the search at the end of the vector. does nothing when called on an empty vector

get

public final double get(int index)

Returns the indexth element of the vector.

quickGet

public final double quickGet(int index)

return the indexth element of the vector without an bound check.

Parameters:

index - index

Returns:

the element

rangeCheck

protected boolean rangeCheck(int index)

set

public abstract double set(int index,
         double val)

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

quickSet

public abstract double quickSet(int index,
              double val)

Unsafe setter => don't do bound verification

Parameters:

index - the index of the replaced value

val - the new value

Returns:

the old value

deepCopy

public double[] deepCopy()