package au.gov.amsa.geo.distance;
   
   import au.gov.amsa.geo.model.Cell;
   import au.gov.amsa.geo.model.Options;
   
   public class CellAndDistance {
   	private final Cell cell;
   	private final double distanceNm;
   
  	public CellAndDistance(Cell cell, double distanceNm) {
  		this.cell = cell;
  		this.distanceNm = distanceNm;
  	}
  
  	public Cell getCell() {
  		return cell;
  	}
  
  	public double getDistanceNm() {
  		return distanceNm;
  	}
  
  	/**
  	 * Returns traffic density value for the cell in nm per square nm.
  	 * 
  	 * @param options
  	 * @return
  	 */
  	public double getTrafficDensity(Options options) {
  		return distanceNm / cell.areaNauticalMiles(options);
  	}
  
  	@Override
  	public String toString() {
  		return "CellAndDistance [cell=" + cell + ", distanceNm=" + distanceNm
  				+ "]";
  	}
  
  }