org.deri.iris.builtins
Class GreaterEqualBuiltin

java.lang.Object
  org.deri.iris.builtins.AbstractBuiltin
      org.deri.iris.builtins.BooleanBuiltin
          org.deri.iris.builtins.GreaterEqualBuiltin

All Implemented Interfaces:

Comparable<IAtom>, IAtom, IBuiltinAtom

Direct Known Subclasses:

DateGreaterEqualBuiltin, DateTimeGreaterEqualBuiltin, DayTimeDurationGreaterEqualBuiltin, NumericGreaterEqualBuiltin, TimeGreaterEqualBuiltin, YearMonthDurationGreaterEqualBuiltin

public class GreaterEqualBuiltin
extends BooleanBuiltin

Built-in to compare two terms and determine which one is bigger or if they are equal.

$Id: GreaterEqualBuiltin.java,v 1.15 2007-10-12 12:40:58 bazbishop237 Exp $

Version:

$Revision: 1.15 $

Author:

Richard P??ttler, richard dot poettler at deri dot org

Field Summary

Fields inherited from class org.deri.iris.builtins.AbstractBuiltin

EMPTY_TERM

Constructor Summary

protected	GreaterEqualBuiltin(IPredicate predicate, ITerm... terms) Construct a new GreaterEqualBuiltin for the specific predicate and terms.
	GreaterEqualBuiltin(ITerm... t) Constructs a built-in.

Method Summary

protected boolean

computeResult(ITerm[] terms) Compute the result of the comparison.

Methods inherited from class org.deri.iris.builtins.BooleanBuiltin

evaluateTerms

Methods inherited from class org.deri.iris.builtins.AbstractBuiltin

compareTo, equals, evaluate, getPredicate, getTuple, hashCode, isBuiltin, isGround, maxUnknownVariables, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

GreaterEqualBuiltin

protected GreaterEqualBuiltin(IPredicate predicate,
                              ITerm... terms)

Construct a new GreaterEqualBuiltin for the specific predicate and terms.

Parameters:

predicate - The predicate of the built-in.

terms - The terms.

Throws:

NullPointerException - If the predicate or one of the terms is null.

IllegalArgumentException - If the length of the terms and the arity of the predicate do not match.

GreaterEqualBuiltin

public GreaterEqualBuiltin(ITerm... t)

Constructs a built-in. Two terms must be passed to the constructor, otherwise an exception will be thrown.

Parameters:

t - the terms

Throws:

NullPointerException - if one of the terms is null

IllegalArgumentException - if the number of terms submitted is not 2

NullPointerException - if t is null

Method Detail

computeResult

protected boolean computeResult(ITerm[] terms)

Description copied from class: BooleanBuiltin

Compute the result of the comparison.

Specified by:

computeResult in class BooleanBuiltin

Parameters:

terms - The terms

Returns:

The result of the comparison.