org.deri.iris.terms
Class Variable

java.lang.Object
  org.deri.iris.terms.Variable

All Implemented Interfaces:

Comparable<ITerm>, ITerm, IVariable

public class Variable
extends Object
implements IVariable

Simple implementation of the IVariable.

$Id$

Version:

$Revision$

Author:

Richard P??ttler (richard dot poettler at deri dot at)

Method Summary

int	compareTo(ITerm o)
boolean	equals(Object o)
String	getValue() Returns a vale of the term.
int	hashCode()
boolean	isGround() Checks whether the term is ground (a term with no variables).
String	toString() Returns a String representation of this object.

Methods inherited from class java.lang.Object

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

Method Detail

isGround

public boolean isGround()

Description copied from interface: ITerm

Checks whether the term is ground (a term with no variables).

Specified by:

isGround in interface ITerm

Returns:

true if the term is ground, otherwise false.

compareTo

public int compareTo(ITerm o)

Specified by:

compareTo in interface Comparable<ITerm>

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

toString

public String toString()

Returns a String representation of this object. The subject of the string format is to change. An example return value might be "?date"

Overrides:

toString in class Object

Returns:

the String representation

getValue

public String getValue()

Description copied from interface: ITerm

Returns a vale of the term.

Specified by:

getValue in interface ITerm

Specified by:

getValue in interface IVariable

Returns:

The term value.