smithers.cards
Class BuildingDownByAlternatingColours

java.lang.Object
  smithers.cards.AbstractBuildingRule
      smithers.cards.BuildingDownByAlternatingColours

All Implemented Interfaces:

BuildingRule

public class BuildingDownByAlternatingColours
extends AbstractBuildingRule

A building rule which allows a card to be placed if it is the opposite colour to, and one rank lower than, the top card.

Field Summary

Fields inherited from class smithers.cards.AbstractBuildingRule

canAddMultiple

Constructor Summary

BuildingDownByAlternatingColours()
Constructs a new instance of this rule.

BuildingDownByAlternatingColours(boolean startsWithKing)
Constructs a new instance of this rule.

Method Summary

boolean	goesInSpace(Card c) Determines whether the specified card can be placed in an empty space.
boolean	goesOn(Card c1, Card c2) Determines whether card c2 can be placed on top of card c1.

Methods inherited from class smithers.cards.AbstractBuildingRule

canAddCard, canAddCards

Methods inherited from class java.lang.Object

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

Constructor Detail

BuildingDownByAlternatingColours

public BuildingDownByAlternatingColours()

Constructs a new instance of this rule. This uses the default, allowing any card to be placed into an empty space.

BuildingDownByAlternatingColours

public BuildingDownByAlternatingColours(boolean startsWithKing)

Constructs a new instance of this rule.

Parameters:

startsWithKing - true iff only kings may be placed in empty spaces

Method Detail

goesOn

public boolean goesOn(Card c1,
                      Card c2)

Determines whether card c2 can be placed on top of card c1.

Specified by:

goesOn in class AbstractBuildingRule

Parameters:

c1 - the card to move onto

c2 - the card to be moved

Returns:

true iff the card can be moved

goesInSpace

public boolean goesInSpace(Card c)

Determines whether the specified card can be placed in an empty space.

Specified by:

goesInSpace in class AbstractBuildingRule

Parameters:

c - the card to be moved

Returns:

true iff the card can be moved into a space