rails.game.move
Class DoubleMapChange<K1,K2,V>

java.lang.Object
  rails.game.move.Move
      rails.game.move.DoubleMapChange<K1,K2,V>

public class DoubleMapChange<K1,K2,V>
extends Move

This Move class handles adding an entry to a 2-D Map (a Map of Maps, or a matrix). An Undo will remove the second key, but not the first key.

Author:

Erik Vos

Field Summary

protected K1	firstKey
protected java.util.HashMap<K1,java.util.HashMap<K2,V>>	map
protected K2	secondKey
protected V	value

Fields inherited from class rails.game.move.Move

log, models

Constructor Summary

DoubleMapChange(java.util.HashMap<K1,java.util.HashMap<K2,V>> map, K1 firstKey, K2 secondKey, V value)

Method Summary

boolean	execute()
java.lang.String	toString()
boolean	undo()

Methods inherited from class rails.game.move.Move

registerModelToUpdate, updateModels

Methods inherited from class java.lang.Object

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

Field Detail

map

protected java.util.HashMap<K1,java.util.HashMap<K2,V>> map

firstKey

protected K1 firstKey

secondKey

protected K2 secondKey

value

protected V value

Constructor Detail

DoubleMapChange

public DoubleMapChange(java.util.HashMap<K1,java.util.HashMap<K2,V>> map,
                       K1 firstKey,
                       K2 secondKey,
                       V value)

Method Detail

execute

public boolean execute()

Specified by:

execute in class Move

undo

public boolean undo()

Specified by:

undo in class Move

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object