Class AllBeastsPack

java.lang.Object
  AllBeastsPack

All Implemented Interfaces:

IPackFinder

public class AllBeastsPack
extends java.lang.Object
implements IPackFinder

A pack that just gives back all the beasts in the world.

Author:

CPSC 111 instructors

Constructor Summary

AllBeastsPack(IBeastProvider provider)
Construct a new AllBeastsPack.

Method Summary

BeastInfo	getLeader(BeastInfo beast) Return the leader of the pack: whoever goes first.
BeastInfo[]	getPack(BeastInfo beast) Return a pack of all the beasts in the world.

Methods inherited from class java.lang.Object

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

Constructor Detail

AllBeastsPack

public AllBeastsPack(IBeastProvider provider)

Construct a new AllBeastsPack.

Parameters:

provider - a non-null provider defining the world of beasts available

Method Detail

getPack

public BeastInfo[] getPack(BeastInfo beast)

Return a pack of all the beasts in the world.

Specified by:

getPack in interface IPackFinder

Parameters:

beast - info about the beast whose pack we're constructing

Returns:

a non-null (but possibly empty) list of non-null BeastInfo objects for the beasts in the given beast's pack. Note: the pack may or may not contain the provided beast.

getLeader

public BeastInfo getLeader(BeastInfo beast)

Return the leader of the pack: whoever goes first. Note: this may be the same as the Beast requesting a pack. Returns null for an empty world.

Specified by:

getLeader in interface IPackFinder

Parameters:

beast - info about the beast whose pack leader we're finding

Returns:

the leader of the given beast's pack, or null if no leader was found. Note: the leader may or may not be the provided beast.