org.deri.iris.basics
Class Predicate

java.lang.Object
  org.deri.iris.basics.Predicate

All Implemented Interfaces:

Comparable<IPredicate>, IPredicate

public class Predicate
extends Object
implements IPredicate

This is a simple IPredicate implementation.

NOTE: This implementation is immutable

$Id$

Version:

$Revision$

Author:

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

Method Summary

int	compareTo(IPredicate o)
boolean	equals(Object o)
int	getArity() Returns the arity of the predicate.
String	getPredicateSymbol() Returns the predicate symbol.
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

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

Method Detail

getPredicateSymbol

public String getPredicateSymbol()

Description copied from interface: IPredicate

Returns the predicate symbol.

Specified by:

getPredicateSymbol in interface IPredicate

Returns:

The predicate symbol.

getArity

public int getArity()

Description copied from interface: IPredicate

Returns the arity of the predicate.

Specified by:

getArity in interface IPredicate

Returns:

The arity.

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

compareTo

public int compareTo(IPredicate o)

Specified by:

compareTo in interface Comparable<IPredicate>

toString

public String toString()

Overrides:

toString in class Object