net.sf.tweety.lp.asp.syntax

Class Comparative

java.lang.Object

net.sf.tweety.logics.commons.syntax.ComplexLogicalFormulaAdapter

net.sf.tweety.lp.asp.syntax.DLPElementAdapter

net.sf.tweety.lp.asp.syntax.Comparative

All Implemented Interfaces:

net.sf.tweety.commons.Formula, net.sf.tweety.logics.commons.syntax.interfaces.ComplexLogicalFormula, net.sf.tweety.logics.commons.syntax.interfaces.LogicStructure, net.sf.tweety.logics.commons.syntax.interfaces.SimpleLogicalFormula, DLPElement

public class Comparative
extends DLPElementAdapter
implements DLPElement

This class implements comparative predicates as described in the DLV manual.

Author:

Tim Janus, Thomas Vengels

Constructor Summary

Constructors

Constructor and Description
Comparative(Comparative other)
Comparative(String op, net.sf.tweety.logics.commons.syntax.interfaces.Term<?> lefthand, net.sf.tweety.logics.commons.syntax.interfaces.Term<?> righthand)

Method Summary

Modifier and Type	Method and Description
Comparative	clone()
boolean	equals(Object obj)
Set<DLPAtom>	getAtoms()
net.sf.tweety.logics.commons.syntax.interfaces.Term<?>	getLefthand()
SortedSet<DLPLiteral>	getLiterals()
String	getOperator()
Set<DLPPredicate>	getPredicates()
net.sf.tweety.logics.commons.syntax.interfaces.Term<?>	getRighthand()
net.sf.tweety.logics.fol.syntax.FolSignature	getSignature()
Set<net.sf.tweety.logics.commons.syntax.interfaces.Term<?>>	getTerms()
int	hashCode()
Comparative	substitute(net.sf.tweety.logics.commons.syntax.interfaces.Term<?> t, net.sf.tweety.logics.commons.syntax.interfaces.Term<?> v)
String	toString()

Methods inherited from class net.sf.tweety.lp.asp.syntax.DLPElementAdapter

getPredicateCls

Methods inherited from class net.sf.tweety.logics.commons.syntax.ComplexLogicalFormulaAdapter

containsTermsOfType, exchange, getTerms, isGround, isLiteral, isWellFormed, substitute

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface net.sf.tweety.logics.commons.syntax.interfaces.ComplexLogicalFormula

exchange, isGround, isWellFormed, substitute

Methods inherited from interface net.sf.tweety.logics.commons.syntax.interfaces.SimpleLogicalFormula

getPredicateCls, isLiteral

Methods inherited from interface net.sf.tweety.logics.commons.syntax.interfaces.LogicStructure

containsTermsOfType, getTerms

Constructor Detail

Comparative

public Comparative(Comparative other)

Comparative

public Comparative(String op,
                   net.sf.tweety.logics.commons.syntax.interfaces.Term<?> lefthand,
                   net.sf.tweety.logics.commons.syntax.interfaces.Term<?> righthand)

Method Detail

getLefthand

public net.sf.tweety.logics.commons.syntax.interfaces.Term<?> getLefthand()

getRighthand

public net.sf.tweety.logics.commons.syntax.interfaces.Term<?> getRighthand()

getOperator

public String getOperator()

toString

public String toString()

Overrides:

toString in class Object

getTerms

public Set<net.sf.tweety.logics.commons.syntax.interfaces.Term<?>> getTerms()

Specified by:

getTerms in interface net.sf.tweety.logics.commons.syntax.interfaces.LogicStructure

getLiterals

public SortedSet<DLPLiteral> getLiterals()

Specified by:

getLiterals in interface DLPElement

Returns:

all the literals used in the rule element

getPredicates

public Set<DLPPredicate> getPredicates()

Specified by:

getPredicates in interface net.sf.tweety.logics.commons.syntax.interfaces.SimpleLogicalFormula

Specified by:

getPredicates in interface DLPElement

getAtoms

public Set<DLPAtom> getAtoms()

Specified by:

getAtoms in interface net.sf.tweety.logics.commons.syntax.interfaces.SimpleLogicalFormula

Specified by:

getAtoms in interface DLPElement

substitute

public Comparative substitute(net.sf.tweety.logics.commons.syntax.interfaces.Term<?> t,
                              net.sf.tweety.logics.commons.syntax.interfaces.Term<?> v)

Specified by:

substitute in interface net.sf.tweety.logics.commons.syntax.interfaces.ComplexLogicalFormula

Specified by:

substitute in interface DLPElement

getSignature

public net.sf.tweety.logics.fol.syntax.FolSignature getSignature()

Specified by:

getSignature in interface net.sf.tweety.commons.Formula

Specified by:

getSignature in interface DLPElement

clone

public Comparative clone()

Specified by:

clone in interface net.sf.tweety.logics.commons.syntax.interfaces.ComplexLogicalFormula

Specified by:

clone in interface net.sf.tweety.logics.commons.syntax.interfaces.SimpleLogicalFormula

Specified by:

clone in interface DLPElement

Specified by:

clone in class DLPElementAdapter

hashCode

public int hashCode()

Specified by:

hashCode in interface net.sf.tweety.logics.commons.syntax.interfaces.SimpleLogicalFormula

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Specified by:

equals in interface net.sf.tweety.logics.commons.syntax.interfaces.SimpleLogicalFormula

Overrides:

equals in class Object