/* Copyright 2000 Charles G. Wright
 * This software may be distributed under the terms of the
 * GNU General Public License.
 *
 * $Id: Utility.java,v 1.1 2000-06-15 10:15:09-05 chuckles Exp chuckles $
 */

/** Represents a utility that provides energy. */

public class Utility{

  public static final int GAS = 0;
  public static final int ELECTRICITY = 1;

  private int type; // one from the above list.
  private double rate; // cost per kwh of delivered energy.

  private double co2_rate = 0.0;
  private double nox_rate = 0.0;
  private double so2_rate = 0.0;
  private double voc_rate = 0.0;

  private String name;

  /** <p>Creates an instance of the Utility class.
   */
  public Utility(int type, double rate, String name){
    this.type = type;
    this.rate = rate;
    this.name = name;
  }

  /** Return the type of energy (eg Utility.ELECTRICITY or Utility.GAS)
   * provided by this utility. */
  public int getType(){
    return(type);
  }

  /** Set th type of energy (eg Utility.ELECTRICITY or Utility.GAS)
   * provided by this utility. */
  public void setType(int type){
    this.type = type;
  }

  /** Return utility cost in dollars per Kwh. */

  public double getRate(int type){
    return(rate);
  }

  /** Set the utility rate for this utility. */

  public void setRate(int type, double val){
    rate = val;
  }

  /** Returns the cost (in dollars) of energy used, given 
   * type of energy, and amount used, in Kwh. */

  public double getCost(double kwh){
    return(kwh * rate);
  }

  /** Returns the amount of CO2 (in Kg) emitted for this
   * Utility, given an amount of delivered energy, in kwh. */

  public double getCO2(double kwh){
    return(kwh * co2_rate);
  }

  /** Sets the amount of CO2 (in Kg) emitted per Kwh for this
   * Utility. */

  public void setUtilityCO2(double val){
    co2_rate = val;
  }

  public double getNOX(double kwh){
    return(kwh * nox_rate);
  }
  public void setUtilityNOX(double val){
    nox_rate = val;
  }

  public double getSO2(double kwh){
    return(kwh * so2_rate);
  }
  public void setUtilitySO2(double val){
    so2_rate = val;
  }

  public double getVOC(double kwh){
    return(kwh * voc_rate);
  }
  public void setUtilityVOC(double val){
    voc_rate = val;
  }
  
}