/*
 * Copyright (c) 2005-2011 KOM - Multimedia Communications Lab
 *
 * This file is part of PeerfactSim.KOM.
 * 
 * PeerfactSim.KOM 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 3 of the License, or
 * any later version.
 * 
 * PeerfactSim.KOM 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 PeerfactSim.KOM.  If not, see <http://www.gnu.org/licenses/>.
 *
 */


package de.tud.kom.p2psim.impl.network.modular.st;

import de.tud.kom.p2psim.api.common.SimHost;
import de.tud.kom.p2psim.impl.network.modular.db.NetMeasurementDB;
import de.tudarmstadt.maki.simonstrator.api.component.sensor.location.Location;

/**
 * This strategy determines an abstract network position of a given host 
 * (like 2-dimensional, geographical or GNP)
 * 
 * @author Leo Nobach
 *
 */
public interface PositioningStrategy extends ModNetLayerStrategy {

	/**
	 * Returns the position of the host. Can be any object extending NetPosition. 
	 * If the host is mobile, a position stub object may be returned,
	 * where the current position can be requested at any simulation time.
	 * @param host
	 * @param db
	 * @param hostMeta
	 * @return
	 */
	public Location getPosition(
			SimHost host,
			NetMeasurementDB db,
			NetMeasurementDB.Host hostMeta);

}