Pandora.LogicParser.Formula
Class SkTerm

java.lang.Object
  Pandora.LogicParser.Formula.Term
      Pandora.LogicParser.Formula.SkTerm

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable

public class SkTerm
extends Term

The SkTerm term. Extends abstract class Term.

See Also:

Serialized Form

Constructor Summary

SkTerm(java.lang.String name)
Constructs an SkTerm.

Method Summary

void	addToSignature(PanSignature signature) This method adds this Term to the passed PanSignature IF it is not already in the signature.
java.lang.String	clashes(PanSignature signature) Returns a String of error message if this Term clashes with the passed PanSignature A Term clashes with a PanSignature if it clashes with any of its Predicates,Constants,Functions or Variables. If this Term does not clash with the Signature, it is added to the signature and an empty String is returned.
Term	clone() Returns a copy(clone) of this Term.
java.lang.String	display() Returns a String to display the Term.
boolean	equals(Term t) Returns true if this Term is equal to the passed Term.
java.lang.String	getName() Returns the name of the Term.
boolean	isIn(PanSignature signature) Returns true if this Term is in the passed PanSignature
boolean	isInList(java.util.List<SimpleTerm> list) returns true if this Term is in the passed list of Simple Terms.
void	setVars(Var v) This method adds Var v to the list of variables this Term is bound to.
Term	sub(Term x, Term y) Substitutes all the occurences of Term x by Term y.

Methods inherited from class Pandora.LogicParser.Formula.Term

concatNoDup, getVars, isIn, isInVars

Methods inherited from class java.lang.Object

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

Constructor Detail

SkTerm

public SkTerm(java.lang.String name)

Constructs an SkTerm.

Parameters:

name - the String name of the SkTerm.

Method Detail

sub

public Term sub(Term x,
                Term y)

Substitutes all the occurences of Term x by Term y.

Specified by:

sub in class Term

Parameters:

x - represents the Term to be substituted.

y - represents the Term used to substitute the Term x

isIn

public boolean isIn(PanSignature signature)

Returns true if this Term is in the passed PanSignature

Specified by:

isIn in class Term

Parameters:

signature - PanSignature represents the signature it is to be searched in.

display

public java.lang.String display()

Returns a String to display the Term.

Specified by:

display in class Term

clone

public Term clone()

Returns a copy(clone) of this Term.

Specified by:

clone in class Term

clashes

public java.lang.String clashes(PanSignature signature)

Returns a String of error message if this Term clashes with the passed PanSignature
A Term clashes with a PanSignature if it clashes with any of its Predicates,Constants,Functions or Variables.
If this Term does not clash with the Signature, it is added to the signature and an empty String is returned.

Specified by:

clashes in class Term

Parameters:

signature - PanSignature Represents the signature to be compared against.

getName

public java.lang.String getName()

Returns the name of the Term.

Specified by:

getName in class Term

setVars

public void setVars(Var v)

This method adds Var v to the list of variables this Term is bound to.

Specified by:

setVars in class Term

Parameters:

v - Var represents the Var to be added to the list of this Term's variables.

addToSignature

public void addToSignature(PanSignature signature)

This method adds this Term to the passed PanSignature IF it is not already in the signature.

Specified by:

addToSignature in class Term

Parameters:

signature - PanSignature represents the signature to add this Formula to.

isInList

public boolean isInList(java.util.List<SimpleTerm> list)

returns true if this Term is in the passed list of Simple Terms.

Parameters:

list - List represents the list in which this term is to be searched for.

equals

public boolean equals(Term t)

Returns true if this Term is equal to the passed Term.

Overrides:

equals in class Term

Parameters:

t - Term represents the Term to compare this Term against.