wyvern.lib.predicates
Class UserTypePredicate

java.lang.Object
  wyvern.lib.predicates.UserTypePredicate

All Implemented Interfaces:

Predicate, PrintablePredicate

public class UserTypePredicate

extends java.lang.Object

implements Predicate, PrintablePredicate

A predicate that checks whether an object is of a certain "user type", which is basically any boolean property on the object. In practice, we only look for certain types, such as "wand", "sword", "coins", and so on.

Version:

1.0, Dec 27, 2003

Author:

Steve Yegge

Constructor Summary

UserTypePredicate(java.lang.String type)
Constructs a new UserTypePredicate for the specified type.

Method Summary

java.lang.String	getType()
boolean	predicate(GameObject obj) Checks an object to see if it passes the 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

UserTypePredicate

public UserTypePredicate(java.lang.String type)

Constructs a new UserTypePredicate for the specified type.

Method Detail

getType

public java.lang.String getType()

predicate

public boolean predicate(GameObject obj)

Description copied from interface: Predicate

Checks an object to see if it passes the 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