package test.testSOP;

import java.util.Comparator;

import schedframe.resources.computing.Node;

public class ComparatorHostLowestLoadFirst implements Comparator<Node>{
	private float getMostLoadedResource(Node n) {
		float memLoad = 0, cpuLoad;
		try {
			memLoad = (float)1 - (float)n.getFreeMemory() / (float)n.getTotalMemory();
		} catch (NoSuchFieldException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		cpuLoad = (float)1 - (float)n.getFreeProcessorsNumber() / (float)n.getProcessorsNumber();
//		log.debug("GetMostLoadedResource node "+n.getName()+": "+cpuLoad+" -- "+memLoad);
		if (cpuLoad > memLoad) {
			return cpuLoad;
		}
		else {
			return memLoad;
		}
	}
	@Override
	public int compare(Node node1, Node node2) {
		if (getMostLoadedResource(node1) > getMostLoadedResource(node2))
			return 1;
		else if (getMostLoadedResource(node1) < getMostLoadedResource(node2))
			return -1;
		else 
			return 0;
	}
}