package org.opentrafficsim.xml.bindings.types;
   
   import org.djunits.value.vdouble.scalar.Length;
   
   /**
    * LengthBeginEnd contains the information from the LengthBeginEndType. Examples of type instances are<br>
    * - BEGIN <br>
    * - END <br>
    * - END - 10m <br>
   * - 25 ft <br>
   * - 0.8 <br>
   * - 80% <br>
   * <br>
   * Copyright (c) 2003-2018 Delft University of Technology, Jaffalaan 5, 2628 BX Delft, the Netherlands. All rights reserved. See
   * for project information <a href="https://www.simulation.tudelft.nl/" target="_blank">www.simulation.tudelft.nl</a>. The
   * source code and binary code of this software is proprietary information of Delft University of Technology.
   * @author <a href="https://www.tudelft.nl/averbraeck" target="_blank">Alexander Verbraeck</a>
   */
  public class LengthBeginEnd
  {
      /** begin or end? */
      private final boolean begin;
  
      /** absolute offset or relative fraction? */
      private final boolean absolute;
  
      /** the offset in case absolute == true. */
      private final Length offset;
  
      /** the fraction in case absolute == false. */
      private final double fraction;
  
      /**
       * @param begin boolean; begin or end?
       * @param offset the offset; absolute = true
       */
      public LengthBeginEnd(final boolean begin, final Length offset)
      {
          this.begin = begin;
          this.absolute = true;
          this.offset = offset;
          this.fraction = 0.0;
      }
  
      /**
       * @param fraction the fraction; absolute = false
       */
      public LengthBeginEnd(final double fraction)
      {
          this.begin = true;
          this.absolute = false;
          this.offset = Length.ZERO;
          this.fraction = fraction;
      }
  
      /**
       * @return begin
       */
      public final boolean isBegin()
      {
          return this.begin;
      }
  
      /**
       * @return absolute
       */
      public final boolean isAbsolute()
      {
          return this.absolute;
      }
  
      /**
       * @return offset
       */
      public final Length getOffset()
      {
          return this.offset;
      }
  
      /**
       * @return fraction
       */
      public final double getFraction()
      {
          return this.fraction;
      }
  
      /** {@inheritDoc} */
      @Override
      public int hashCode()
      {
          final int prime = 31;
          int result = 1;
          result = prime * result + (this.absolute ? 1231 : 1237);
          result = prime * result + (this.begin ? 1231 : 1237);
          long temp;
          temp = Double.doubleToLongBits(this.fraction);
          result = prime * result + (int) (temp ^ (temp >>> 32));
          result = prime * result + ((this.offset == null) ? 0 : this.offset.hashCode());
         return result;
     }
 
     /** {@inheritDoc} */
     @Override
     public boolean equals(Object obj)
     {
         if (this == obj)
             return true;
         if (obj == null)
             return false;
         if (getClass() != obj.getClass())
             return false;
         LengthBeginEnd other = (LengthBeginEnd) obj;
         if (this.absolute != other.absolute)
             return false;
         if (this.begin != other.begin)
             return false;
         if (Double.doubleToLongBits(this.fraction) != Double.doubleToLongBits(other.fraction))
             return false;
         if (this.offset == null)
         {
             if (other.offset != null)
                 return false;
         }
         else if (!this.offset.equals(other.offset))
             return false;
         return true;
     }
 
     /** {@inheritDoc} */
     @Override
     public String toString()
     {
         return "LengthBeginEnd [begin=" + this.begin + ", absolute=" + this.absolute + ", offset=" + this.offset + ", fraction="
                 + this.fraction + "]";
     }
 
 }