Module org.chocosolver

Package org.chocosolver.solver.search.loop.lns

Class INeighborFactory

java.lang.Object

org.chocosolver.solver.search.loop.lns.INeighborFactory

public class INeighborFactory
extends Object

Factory to creates INeighbor objects that configures LNS

Author:

Charles Prud'homme, Jean-Guillaume Fages

Constructor Summary

Constructors

Constructor	Description
INeighborFactory()

Method Summary

Modifier and Type	Method	Description
static INeighbor	blackBox(IntVar... vars)	Creates a black-box LNS neighbor
static IntNeighbor	propagationGuided(IntVar... vars)	Create a propagation guided neighborhood fixing variables based on constraint propagation Based on "Propagation-Guided LNS", Perronn Shaw and Furnon, CP2004
static IntNeighbor	random(IntVar... vars)	Create a random neighborhood fixing variables randomly
static IntNeighbor	reversedPropagationGuided(IntVar... vars)	Create a reverse propagation guided neighborhood fixing variables based on constraint propagation
static INeighbor	sequencer(INeighbor... neighbors)	Creates a composite INeighbor grouping a set of neighbors
static INeighbor	setVarRandom(SetVar setVar)	Creates a random neighborhood fixing a set variable randomly

Methods inherited from class java.lang.Object

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

Constructor Detail

INeighborFactory

public INeighborFactory()

Method Detail

blackBox

public static INeighbor blackBox(IntVar... vars)

Creates a black-box LNS neighbor

Parameters:

vars - the pool of variables to be freezed

Returns:

a black-box LNS neighbor

random

public static IntNeighbor random(IntVar... vars)

Create a random neighborhood fixing variables randomly

Parameters:

vars - the pool of variables to be freezed

Returns:

a random neighborhood fixing variables randomly

propagationGuided

public static IntNeighbor propagationGuided(IntVar... vars)

Create a propagation guided neighborhood fixing variables based on constraint propagation Based on "Propagation-Guided LNS", Perronn Shaw and Furnon, CP2004

Parameters:

vars - the pool of variables to be freezed

Returns:

a propagation-guided neighborhood

reversedPropagationGuided

public static IntNeighbor reversedPropagationGuided(IntVar... vars)

Create a reverse propagation guided neighborhood fixing variables based on constraint propagation

Parameters:

vars - the pool of variables to be freezed

Returns:

a reverse propagation-guided neighborhood

sequencer

public static INeighbor sequencer(INeighbor... neighbors)

Creates a composite INeighbor grouping a set of neighbors

Parameters:

neighbors - a set of neighbors to be grouped

Returns:

a composite IntNeighbor grouping a set of neighbors

setVarRandom

public static INeighbor setVarRandom(SetVar setVar)

Creates a random neighborhood fixing a set variable randomly

Parameters:

setVar - the set var to be freezed

Returns:

a random neighborhood fixing a set var randomly