/**
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
package bots.mctsbot.ai.bots.bot.gametree.mcts.strategies.selection;
import bots.mctsbot.ai.bots.bot.gametree.mcts.nodes.INode;
import bots.mctsbot.ai.bots.bot.gametree.mcts.nodes.InnerNode;
public class SamplingToFunctionSelector implements SelectionStrategy {
private final SelectionStrategy functionSelector;
private final int threshold;
public SamplingToFunctionSelector(int threshold, SelectionStrategy functionSelector) {
this.threshold = threshold;
this.functionSelector = functionSelector;
}
@Override
public INode select(InnerNode innerNode) {
if (innerNode.getNbSamples() < threshold) {
return innerNode.getRandomChild();
} else {
return functionSelector.select(innerNode);
}
}
}