Class ObjectPredicate

java.lang.Object
  |
  +--Predicate
        |
        +--ObjectPredicate

Direct Known Subclasses:

CheckContains, CheckNeighbor, CheckWithin

abstract class ObjectPredicate

extends Predicate

The top of a subtree of classes which evaluate predicates on one object with respect to a second object.

Constructor Summary

(package private)

ObjectPredicate()

Method Summary

boolean	evaluate(RealObject ro, java.lang.String details) Evaluates a predicate given two objects.
abstract boolean	evaluateObject(RealObject ro, RealObject argObject) Evaluates a predicate given two objects

Methods inherited from class java.lang.Object

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

Constructor Detail

ObjectPredicate

ObjectPredicate()

Method Detail

evaluate

public boolean evaluate(RealObject ro,
                        java.lang.String details)

Evaluates a predicate given two objects.

Overrides:

evaluate in class Predicate

Parameters:

details - the name of the second object.

Returns:

true if the desired relationship holds; false if it does not hold or if the details do not specify a GameObject.

evaluateObject

public abstract boolean evaluateObject(RealObject ro,
                                       RealObject argObject)

Evaluates a predicate given two objects

Parameters:

ro - the object with regard to which the predicate is to be evaluated

argObject - the other object to which the first may have a specified relationship.

Returns:

whether the relationship holds