org.deri.iris.builtins
Class LessBuiltin

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

All Implemented Interfaces:

Comparable<IAtom>, IAtom, IBuiltinAtom

Direct Known Subclasses:

BooleanLessBuiltin, DateLessBuiltin, DateTimeLessBuiltin, DayTimeDurationLessBuiltin, NumericLessBuiltin, TimeLessBuiltin, YearMonthDurationLessBuiltin

public class LessBuiltin
extends BooleanBuiltin

Built-in to compare two terms.

Field Summary

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

EMPTY_TERM

Constructor Summary

protected	LessBuiltin(IPredicate predicate, ITerm... terms) Construct a new LessBuiltin for the specific predicate and terms.
	LessBuiltin(ITerm... terms) Constructor.

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

LessBuiltin

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

Construct a new LessBuiltin 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.

LessBuiltin

public LessBuiltin(ITerm... terms)

Constructor.

Parameters:

terms - the terms, must be of length 2

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.

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.