package org.opentrafficsim.water.network;
   
   import java.io.Serializable;
   import java.rmi.RemoteException;
   
   import javax.media.j3d.BoundingSphere;
   import javax.media.j3d.Bounds;
   
   import org.djunits.value.vdouble.scalar.Length;
  import org.opentrafficsim.core.geometry.OTSGeometryException;
  
  import nl.tudelft.simulation.dsol.animation.Locatable;
  import nl.tudelft.simulation.language.Throw;
  import nl.tudelft.simulation.language.d3.DirectedPoint;
  
  /**
   * <p>
   * Copyright (c) 2013-2016 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
   * BSD-style license. See <a href="http://opentrafficsim.org/docs/current/license.html">OpenTrafficSim License</a>.
   * </p>
   * $LastChangedDate: 2015-07-24 02:58:59 +0200 (Fri, 24 Jul 2015) $, @version $Revision: 1147 $, by $Author: averbraeck $,
   * initial version Nov 6, 2016 <br>
   * @author <a href="http://www.tbm.tudelft.nl/averbraeck">Alexander Verbraeck</a>
   */
  public class WaterwayLocation implements Locatable, Serializable
  {
      /** */
      private static final long serialVersionUID = 20161106L;
  
      /** the waterway. */
      private final Waterway waterway;
  
      /** position along the waterway, in the direction of the design line. */
      private final Length position;
  
      /** cached location. */
      private final DirectedPoint location;
  
      /**
       * @param waterway the waterway
       * @param position position along the waterway, in the direction of the design line
       * @throws OTSGeometryException in case the position is less than zero, or more than the length of the waterway.
       */
      public WaterwayLocation(final Waterway waterway, final Length position) throws OTSGeometryException
      {
          Throw.whenNull(waterway, "waterway cannot be null");
          Throw.whenNull(position, "position cannot be null");
          this.waterway = waterway;
          this.position = position;
          this.location = waterway.getDesignLine().getLocation(position);
      }
  
      /**
       * @return waterway the waterway
       */
      public final Waterway getWaterway()
      {
          return this.waterway;
      }
  
      /**
       * @return position position along the waterway, in the direction of the design line
       */
      public final Length getPosition()
      {
          return this.position;
      }
  
      /** {@inheritDoc} */
      @Override
      public final DirectedPoint getLocation() throws RemoteException
      {
          return this.location;
      }
  
      /** {@inheritDoc} */
      @Override
      public final Bounds getBounds() throws RemoteException
      {
          return new BoundingSphere();
      }
  
  }