content: /**
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License.  You may obtain a copy of the License at
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.bigtop.datagenerators.locations;
  
  import java.io.Serializable;
  
  import org.apache.commons.lang3.tuple.Pair;
  
  public class Location implements Serializable {
    private static final long serialVersionUID = 1769986686070108470L;
  
    final String zipcode;
    final Pair<Double, Double> coordinates;
    final String city;
    final String state;
    final double medianHouseholdIncome;
    final long population;
  
    public Location(String zipcode, Pair<Double, Double> coordinates, String city,
            String state, double medianHouseholdIncome, long population) {
      this.city = city;
      this.state = state;
      this.zipcode = zipcode;
      this.coordinates = coordinates;
      this.medianHouseholdIncome = medianHouseholdIncome;
      this.population = population;
    }
  
    public String getZipcode() {
      return zipcode;
    }
  
    public Pair<Double, Double> getCoordinates() {
      return coordinates;
    }
  
    public double getMedianHouseholdIncome() {
      return medianHouseholdIncome;
    }
  
    public long getPopulation() {
      return population;
    }
  
    public double distance(Pair<Double, Double> otherCoords) {
      if (Math.abs(coordinates.getLeft() - otherCoords.getLeft()) < 1e-5
              || Math.abs(coordinates.getRight() - otherCoords.getRight()) < 1e-5)
        return 0.0;
  
      double dist = Math.sin(Math.toRadians(coordinates.getLeft()))
              * Math.sin(Math.toRadians(otherCoords.getLeft()))
              + Math.cos(Math.toRadians(coordinates.getLeft()))
                      * Math.cos(Math.toRadians(otherCoords.getLeft()))
                      * Math.cos(Math.toRadians(
                              coordinates.getRight() - otherCoords.getRight()));
      dist = Math.toDegrees(Math.acos(dist)) * 69.09;
  
      return dist;
    }
  
    public double distance(Location other) {
      if (other.getZipcode().equals(zipcode))
        return 0.0;
  
      Pair<Double, Double> otherCoords = other.getCoordinates();
  
      return distance(otherCoords);
    }
  
    public String getCity() {
      return city;
    }
  
    public String getState() {
      return state;
    }
  }
  