jason.asSyntax
Class DefaultTerm

java.lang.Object
  jason.asSyntax.DefaultTerm

All Implemented Interfaces:

Term, ToDOM, java.io.Serializable, java.lang.Cloneable, java.lang.Comparable<Term>

Direct Known Subclasses:

Literal, NumberTermImpl, ObjectTermImpl, StringTermImpl

public abstract class DefaultTerm
extends java.lang.Object
implements Term, java.io.Serializable

Base class for all terms. (this class may be renamed to AbstractTerm in future releases of Jason, so avoid using it -- use ASSyntax class to create new terms)

See Also:

ASSyntax, Serialized Form

Field Summary

protected java.lang.Integer	hashCodeCache
protected SourceInfo	srcInfo

Constructor Summary

DefaultTerm()

Method Summary

boolean	apply(Unifier u) replaces variables by their values in the unifier, returns true if some variable was applied
protected abstract int	calcHashCode()
abstract Term	clone()
int	compareTo(Term t)
void	countVars(java.util.Map<VarTerm,java.lang.Integer> c)
java.lang.String	getErrorMsg()
SourceInfo	getSrcInfo()
int	hashCode()
boolean	hasVar(VarTerm t)
boolean	isArithExpr()
boolean	isAtom()
boolean	isGround()
boolean	isInternalAction()
boolean	isList()
boolean	isLiteral()
boolean	isNumeric()
boolean	isPlanBody()
boolean	isPred()
boolean	isRule()
boolean	isString()
boolean	isStructure()
boolean	isUnnamedVar()
boolean	isVar()
static Term	parse(java.lang.String sTerm) Deprecated. it is preferable to use ASSyntax.parseTerm
void	resetHashCodeCache()
void	setSrcInfo(SourceInfo s) Removes the value cached for hashCode

Methods inherited from class java.lang.Object

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

Methods inherited from interface jason.asSyntax.Term

equals

Methods inherited from interface jason.util.ToDOM

getAsDOM

Field Detail

hashCodeCache

protected java.lang.Integer hashCodeCache

srcInfo

protected SourceInfo srcInfo

Constructor Detail

DefaultTerm

public DefaultTerm()

Method Detail

parse

public static Term parse(java.lang.String sTerm)

Deprecated. it is preferable to use ASSyntax.parseTerm

isVar

public boolean isVar()

Specified by:

isVar in interface Term

isUnnamedVar

public boolean isUnnamedVar()

Specified by:

isUnnamedVar in interface Term

isLiteral

public boolean isLiteral()

Specified by:

isLiteral in interface Term

isRule

public boolean isRule()

Specified by:

isRule in interface Term

isList

public boolean isList()

Specified by:

isList in interface Term

isString

public boolean isString()

Specified by:

isString in interface Term

isInternalAction

public boolean isInternalAction()

Specified by:

isInternalAction in interface Term

isArithExpr

public boolean isArithExpr()

Specified by:

isArithExpr in interface Term

isNumeric

public boolean isNumeric()

Specified by:

isNumeric in interface Term

isPred

public boolean isPred()

Specified by:

isPred in interface Term

isStructure

public boolean isStructure()

Specified by:

isStructure in interface Term

isAtom

public boolean isAtom()

Specified by:

isAtom in interface Term

isPlanBody

public boolean isPlanBody()

Specified by:

isPlanBody in interface Term

isGround

public boolean isGround()

Specified by:

isGround in interface Term

hasVar

public boolean hasVar(VarTerm t)

Specified by:

hasVar in interface Term

countVars

public void countVars(java.util.Map<VarTerm,java.lang.Integer> c)

Specified by:

countVars in interface Term

clone

public abstract Term clone()

Specified by:

clone in interface Term

Overrides:

clone in class java.lang.Object

calcHashCode

protected abstract int calcHashCode()

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

resetHashCodeCache

public void resetHashCodeCache()

compareTo

public int compareTo(Term t)

Specified by:

compareTo in interface java.lang.Comparable<Term>

apply

public boolean apply(Unifier u)

Description copied from interface: Term

replaces variables by their values in the unifier, returns true if some variable was applied

Specified by:

apply in interface Term

getSrcInfo

public SourceInfo getSrcInfo()

Specified by:

getSrcInfo in interface Term

setSrcInfo

public void setSrcInfo(SourceInfo s)

Description copied from interface: Term

Removes the value cached for hashCode

Specified by:

setSrcInfo in interface Term

getErrorMsg

public java.lang.String getErrorMsg()