org.projog.core.predicate.builtin.kb

Class AddUserDefinedArithmeticOperator

java.lang.Object

org.projog.core.predicate.AbstractSingleResultPredicate

org.projog.core.predicate.builtin.kb.AddUserDefinedArithmeticOperator

All Implemented Interfaces:

KnowledgeBaseConsumer, PredicateFactory

public final class AddUserDefinedArithmeticOperator
extends AbstractSingleResultPredicate

arithmetic_function(X) - defines a predicate as an arithmetic function.

Allows the predicate defined by X to be used as an arithmetic function.

Constructor Summary

Constructors

Constructor and Description
AddUserDefinedArithmeticOperator()

Method Summary

Modifier and Type	Method and Description
protected boolean	evaluate(Term arg)

Methods inherited from class org.projog.core.predicate.AbstractSingleResultPredicate

evaluate, evaluate, evaluate, evaluate, evaluate, getArithmeticOperators, getFileHandles, getKnowledgeBase, getOperands, getPredicate, getPredicates, getProjogListeners, getSpyPoints, getTermFormatter, init, isRetryable, setKnowledgeBase

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.projog.core.predicate.PredicateFactory

isAlwaysCutOnBacktrack

Constructor Detail

AddUserDefinedArithmeticOperator

public AddUserDefinedArithmeticOperator()

Method Detail

evaluate

protected boolean evaluate(Term arg)

Overrides:

evaluate in class AbstractSingleResultPredicate