package org.opentrafficsim.road.gtu.lane.perception.object;
   
   import java.util.Objects;
   
   import org.djunits.value.vdouble.scalar.Length;
   import org.djutils.exceptions.Throw;
   
   /**
    * Base class for perceived objects which stores the information.
   * <p>
   * Copyright (c) 2013-2024 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
   * BSD-style license. See <a href="https://opentrafficsim.org/docs/license.html">OpenTrafficSim License</a>.
   * </p>
   * @author <a href="https://github.com/averbraeck">Alexander Verbraeck</a>
   * @author <a href="https://github.com/peter-knoppers">Peter Knoppers</a>
   * @author <a href="https://github.com/wjschakel">Wouter Schakel</a>
   */
  public class PerceivedObjectBase implements PerceivedObject
  {
  
      /** Object id. */
      private final String id;
  
      /** Object type. */
      private final ObjectType objectType;
  
      /** Length of the object. */
      private final Length length;
  
      /** Kinematics of the object. */
      private final Kinematics kinematics;
  
      /**
       * Constructor.
       * @param id object id
       * @param objectType object type
       * @param length length of the object
       * @param kinematics kinematics of the object
       * @throws NullPointerException when any input argument is {@code null}
       */
      public PerceivedObjectBase(final String id, final ObjectType objectType, final Length length, final Kinematics kinematics)
      {
          this.id = Throw.whenNull(id, "id");
          this.objectType = Throw.whenNull(objectType, "objectType");
          this.length = Throw.whenNull(length, "length");
          this.kinematics = Throw.whenNull(kinematics, "kinematics");
      }
  
      @Override
      public String getId()
      {
          return this.id;
      }
  
      @Override
      public ObjectType getObjectType()
      {
          return this.objectType;
      }
  
      @Override
      public Length getLength()
      {
          return this.length;
      }
  
      @Override
      public Kinematics getKinematics()
      {
          return this.kinematics;
      }
  
      /** {@inheritDoc} */
      @Override
      public int hashCode()
      {
          return Objects.hash(this.id, this.kinematics, this.length, this.objectType);
      }
  
      /** {@inheritDoc} */
      @Override
      public boolean equals(final Object obj)
      {
          if (this == obj)
          {
              return true;
          }
          if (obj == null)
          {
              return false;
          }
          if (getClass() != obj.getClass())
          {
              return false;
          }
          PerceivedObjectBase other = (PerceivedObjectBase) obj;
          return Objects.equals(this.id, other.id) && Objects.equals(this.kinematics, other.kinematics)
                  && Objects.equals(this.length, other.length) && this.objectType == other.objectType;
      }
 
     /** {@inheritDoc} */
     @Override
     public String toString()
     {
         return "PerceivedObjectBase [id=" + this.id + ", objectType=" + this.objectType + "]";
     }
 
 }