public int CompareTo(ActionValuePair <A> pair)
{
if (value < pair.value)
{
return(1);
}
else if (value > pair.value)
{
return(-1);
}
else
{
return(0);
}
}
/**
* Orders actions with respect to the number of potential win positions
* which profit from the action.
*/
public override ICollection <int> orderActions(ConnectFourState state,
ICollection <int> actions, string player, int depth)
{
ICollection <int> result = actions;
if (depth == 0)
{
ICollection <ActionValuePair <int> > actionEstimates
= CollectionFactory.CreateQueue <ActionValuePair <int> >();
foreach (int action in actions)
{
actionEstimates.Add(ActionValuePair <int> .createFor(action,
state.analyzePotentialWinPositions(action)));
}
actionEstimates.Sort(new List <ActionValuePair <int> > .Comparer());
result = CollectionFactory.CreateQueue <int>();
foreach (ActionValuePair <int> pair in actionEstimates)
{
result.Add(pair.getAction());
}
}
return(result);
}