/**
* Copyright (C) 2001-2017 by RapidMiner and the contributors
*
* Complete list of developers available at our web site:
*
* http://rapidminer.com
*
* This program is free software: you can redistribute it and/or modify it under the terms of the
* GNU Affero General Public License as published by the Free Software Foundation, either version 3
* of the License, or (at your option) any later version.
*
* This program 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
* Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License along with this program.
* If not, see http://www.gnu.org/licenses/.
*/
package com.rapidminer.tools;
/**
* Class used to represent an object together with a double weight.
*
* @author Michael Wurst
*
*/
public class WeightedObject<E> implements Comparable<WeightedObject<E>> {
/** The object. */
private final E object;
/** The associated weight. */
private final double weight;
public WeightedObject(E object, double weight) {
this.object = object;
this.weight = weight;
}
@Override
public int compareTo(WeightedObject<E> objToCompare) {
if (this.getWeight() > objToCompare.getWeight()) {
return 1;
} else if (this.getWeight() < objToCompare.getWeight()) {
return -1;
} else if (this.hashCode() > objToCompare.hashCode()) {
return 1;
} else if (this.hashCode() < objToCompare.hashCode()) {
return -1;
} else {
return 0;
}
}
/**
* Returns the object.
*
* @return Object
*/
public E getObject() {
return object;
}
/**
* Returns the weight.
*
* @return double
*/
public double getWeight() {
return weight;
}
@Override
public String toString() {
return object.toString() + ":" + weight;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj instanceof WeightedObject) {
return ((WeightedObject<?>) obj).getObject().equals(getObject());
} else {
return false;
}
}
@Override
public int hashCode() {
return object.hashCode();
}
}