ActionValuePair.java

package aima.core.environment.connectfour;

/**
 * Helper class for action ordering.
 * @author Ruediger Lunde
 */
public class ActionValuePair<ACTION> implements Comparable<ActionValuePair<ACTION>> {
	private ACTION action;
	private double value;
	
	public static <ACTION> ActionValuePair<ACTION> createFor(ACTION action, double utility) {
		return new ActionValuePair<ACTION>(action, utility);
	}
	
	public ActionValuePair(ACTION action, double utility) {
		this.action = action;
		this.value = utility;
	}
	
	public ACTION getAction() {
		return action;
	}

	public double getValue() {
		return value;
	}

	@Override
	public int compareTo(ActionValuePair<ACTION> pair) {
		if (value < pair.value)
			return 1;
		else if (value > pair.value)
			return -1;
		else
			return 0;
	}
}