wyvern.lib.predicates
Class NotPredicate

java.lang.Object
  wyvern.lib.predicates.NotPredicate

All Implemented Interfaces:

Predicate, PrintablePredicate

public class NotPredicate

extends java.lang.Object

implements Predicate, PrintablePredicate

This predicate returns the opposite of the passed predicate.

Version:

1.0, Jun 06, 1998

Author:

Steve Yegge

Constructor Summary

NotPredicate(Predicate p)
Constructs a new NotPredicate

Method Summary

Predicate	getPredicate() Returns the predicate being negated.
boolean	predicate(GameObject obj) Returns the opposite of our stored predicate.
java.lang.String	print() Prints an English-like description of the predicate, e.g.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

NotPredicate

public NotPredicate(Predicate p)

Constructs a new NotPredicate

Method Detail

getPredicate

public Predicate getPredicate()

Returns the predicate being negated.

predicate

public boolean predicate(GameObject obj)

Returns the opposite of our stored predicate.

Specified by:

predicate in interface Predicate

Parameters:

obj - any GameObject

Returns:

true if the object passes, else false

toString

public java.lang.String toString()

print

public java.lang.String print()

Description copied from interface: PrintablePredicate

Prints an English-like description of the predicate, e.g. "NOT name like 'bob'", or "quantity < 100 AND item is cursed"

Specified by:

print in interface PrintablePredicate