rails.game.model
Class ModelObject

java.lang.Object
  java.util.Observable
      rails.game.model.ModelObject

Direct Known Subclasses:

BaseTokensModel, CalculatedMoneyModel, CashModel, CertCountModel, GenericState, MapHex, PresidentModel, PriceModel, PrivatesModel, ShareModel, State, StockSpace, Tile, TrainsModel

public abstract class ModelObject
extends java.util.Observable

A generic superclass for all Model values that need be displayed in some form in the View (UI).

This class extends Observable to allow it to be used with the Observer pattern, but this usage is optional.

Field Summary

protected java.util.Set<ModelObject>	dependents
protected static org.apache.log4j.Logger	log
protected int	option

Constructor Summary

ModelObject()

Method Summary

void	addDependent(ModelObject object) Add a dependent model object
void	addObserver(java.util.Observer o)
abstract java.lang.String	getText() The object that is sent to the Observer along with a notification.
java.lang.Object	getUpdate() Default update is just text
void	removeDependent(ModelObject object) Remove a dependent model object.
void	resetOption(int option)
void	setOption(int option) Optional method, to make a subclass-dependent selection of the way the "value" will be composed.
void	update() The minimum action that causes the view objects to be updated.

Methods inherited from class java.util.Observable

clearChanged, countObservers, deleteObserver, deleteObservers, hasChanged, notifyObservers, notifyObservers, setChanged

Methods inherited from class java.lang.Object

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

Field Detail

option

protected int option

dependents

protected java.util.Set<ModelObject> dependents

log

protected static org.apache.log4j.Logger log

Constructor Detail

ModelObject

public ModelObject()

Method Detail

addObserver

public void addObserver(java.util.Observer o)

Overrides:

addObserver in class java.util.Observable

addDependent

public void addDependent(ModelObject object)

Add a dependent model object

removeDependent

public void removeDependent(ModelObject object)

Remove a dependent model object.

getUpdate

public java.lang.Object getUpdate()

Default update is just text

setOption

public void setOption(int option)

Optional method, to make a subclass-dependent selection of the way the "value" will be composed. The default value is 0.

Parameters:

option - The selected

resetOption

public void resetOption(int option)

update

public void update()

The minimum action that causes the view objects to be updated. This method can be used if the object embedded in this class is just a reference to an outside object (e.g. Portfolio).

getText

public abstract java.lang.String getText()

The object that is sent to the Observer along with a notification. The default result is the Observable's toString(), but it can be overridden where needed.

Returns: