/*
* Title: CloudSim Toolkit
* Description: CloudSim (Cloud Simulation) Toolkit for Modeling and Simulation of Clouds
* Licence: GPL - http://www.gnu.org/copyleft/gpl.html
*
* Copyright (c) 2009-2012, The University of Melbourne, Australia
*/
package org.cloudbus.cloudsim.power;
import java.util.ArrayList;
import java.util.List;
import org.cloudbus.cloudsim.Vm;
/**
* The class of an abstract VM selection policy.
*
* If you are using any algorithms, policies or workload included in the power package, please cite
* the following paper:
*
* Anton Beloglazov, and Rajkumar Buyya, "Optimal Online Deterministic Algorithms and Adaptive
* Heuristics for Energy and Performance Efficient Dynamic Consolidation of Virtual Machines in
* Cloud Data Centers", Concurrency and Computation: Practice and Experience (CCPE), Volume 24,
* Issue 13, Pages: 1397-1420, John Wiley & Sons, Ltd, New York, USA, 2012
*
* @author Anton Beloglazov
* @since CloudSim Toolkit 3.0
*/
public abstract class PowerVmSelectionPolicy {
/**
* Gets the vms to migrate.
*
* @param host the host
* @return the vms to migrate
*/
public abstract Vm getVmToMigrate(PowerHost host);
/**
* Gets the migratable vms.
*
* @param host the host
* @return the migratable vms
*/
protected List<PowerVm> getMigratableVms(PowerHost host) {
List<PowerVm> migratableVms = new ArrayList<PowerVm>();
for (PowerVm vm : host.<PowerVm> getVmList()) {
if (!vm.isInMigration()) {
migratableVms.add(vm);
}
}
return migratableVms;
}
}