partage
Class ComplexInstance.ObjectCNF

java.lang.Object
  partage.ComplexInstance.ObjectCNF

All Implemented Interfaces:

ComplexInstance.LogicalObjectFormula

Enclosing class:

ComplexInstance

public static class ComplexInstance.ObjectCNF
extends java.lang.Object
implements ComplexInstance.LogicalObjectFormula

A static class representing a propositional logical formula of objects in conjunctive normal form (allows for a more efficient processing of this kind of preferences).

Version:

july 2007

Author:

Sylvain Bouveret

Constructor Summary

ComplexInstance.ObjectCNF()

ComplexInstance.ObjectCNF(int[][] _clauses)

Method Summary

void	addClause(int[] _clause) Adds a clause to the Conjunctive Normal Form.
int[][]	getClauses() Returns the array representation of the Conjunctive Normal Form.
int[]	getObjects() This methods returns the set of objects concerned by the formula.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

ComplexInstance.ObjectCNF

public ComplexInstance.ObjectCNF()

ComplexInstance.ObjectCNF

public ComplexInstance.ObjectCNF(int[][] _clauses)

Method Detail

getClauses

public int[][] getClauses()

Returns the array representation of the Conjunctive Normal Form.

Returns:

an array representing the CNF

addClause

public void addClause(int[] _clause)

Adds a clause to the Conjunctive Normal Form. A clause is an array of objects (with by convention a minus sign if a specific litteral should be interpreted as negative (the negation of an object).

Parameters:

_clause - the array representing the conjunctive term to add.

getObjects

public int[] getObjects()

Description copied from interface: ComplexInstance.LogicalObjectFormula

This methods returns the set of objects concerned by the formula.

Specified by:

getObjects in interface ComplexInstance.LogicalObjectFormula

Returns:

the set of objects.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object