/*
* Copyright (c) 2005-2010 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 .
*
*/
package de.tud.kom.p2psim.impl.topology.movement.modularosm.attraction;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Random;
import de.tud.kom.p2psim.impl.topology.util.PositionVector;
import de.tudarmstadt.maki.simonstrator.api.Randoms;
import de.tudarmstadt.maki.simonstrator.api.component.sensor.location.AttractionPoint;
/**
* In the current implementation, {@link AttractionPoint}s cannot move anymore.
* We hold a static list of attraction points to ensure that there exists only
* one instance of each name at a time.
*
* @author Christoph Muenker, Bjoern Richerzhagen
* @version 1.0, 02.07.2013
*/
public class AttractionPointImpl extends PositionVector
implements AttractionPoint {
protected static Random rnd = Randoms.getRandom(AttractionPoint.class);
private static Map instances = new LinkedHashMap<>();
private String name;
private double weight = 0;
private double radius = 0;
public AttractionPointImpl(String name, PositionVector posVec) {
super(posVec);
this.name = name;
if (instances.containsKey(name)) {
throw new AssertionError("Name "+name+" already in use for an attraction point.");
}
instances.put(name, this);
}
@Override
public String getName() {
return name;
}
@Override
public double getWeight() {
return weight;
}
@Override
public double getRadius() {
return radius;
}
@Override
public void setWeight(double weight) {
this.weight = weight;
}
@Override
public void setRadius(double radius) {
this.radius = radius;
}
@Override
public AttractionPoint clone(String newName) {
return new AttractionPointImpl(name, this);
}
@Override
public int getTransmissionSize() {
return super.getTransmissionSize() + name.length() + Double.BYTES * 2;
}
@Override
public int hashCode() {
final int prime = 31;
int result = prime * ((name == null) ? 0 : name.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (getClass() != obj.getClass())
return false;
AttractionPointImpl other = (AttractionPointImpl) obj;
if (name == null) {
if (other.name != null)
return false;
} else if (!name.equals(other.name))
return false;
return true;
}
}