/**
* Gives the specified state the specified color.
*
* @param state the state to color.
* @param color color to give to the state.
*/
public void color(State state, Color color) {
if (color == Color.WHITE) {
map.remove(state.hashCode());
} else {
map.put(state.hashCode(), color);
}
}
/**
* Returns <code>true</code> if the specified state has the specified color, <code>false</code>
* otherwise.
*
* @param state the state to examine.
* @param color the color
* @return whether the specified state has the specified color.
*/
public boolean hasColor(State state, Color color) {
// The initial color is white, and is not explicitly represented.
if (color == Color.WHITE) {
return map.get(state.hashCode()) == null;
} else {
return map.get(state.hashCode()) == color;
}
}
public Color getColor(State state) {
return map.get(state.hashCode());
}