package org.sim0mq.message.types;
   
   import java.io.Serializable;
   
   import org.djunits.value.vdouble.scalar.Duration;
   import org.djunits.value.vfloat.scalar.FloatDuration;
   
   /**
    * Wrapper for a Number or float/double with Unit of type Duration. Store it internally as a Number <b>or</b> as a DoubleScalar,
   * <b>or</b> as a FloatScalar and have methods to retrieve it in different ways.
   * <p>
   * Copyright (c) 2016-2019 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
   * BSD-style license. See <a href="http://sim0mq.org/docs/current/license.html">Sim0MQ License</a>.
   * </p>
   * $LastChangedDate: 2015-07-24 02:58:59 +0200 (Fri, 24 Jul 2015) $, @version $Revision: 1147 $, by $Author: averbraeck $,
   * initial version Apr 24, 2017 <br>
   * @author <a href="http://www.tbm.tudelft.nl/averbraeck">Alexander Verbraeck</a>
   */
  public class NumberDuration extends Number implements Serializable
  {
      /** */
      private static final long serialVersionUID = 20170424L;
  
      /** Number - any of the number types. */
      private final Number duration;
  
      /** DoubleScalar of type Duration. */
      private final Duration doubleScalar;
  
      /** FloatScalar of type FloatDuration. */
      private final FloatDuration floatScalar;
  
      /**
       * Create a duration from a Number.
       * @param duration the duration as a Number.
       */
      public NumberDuration(final Number duration)
      {
          this.duration = duration;
          this.doubleScalar = null;
          this.floatScalar = null;
      }
  
      /**
       * Create a duration from a DoubleScalar Duration type.
       * @param duration the duration as a DoubleScalar Duration.
       */
      public NumberDuration(final Duration duration)
      {
          this.duration = null;
          this.doubleScalar = duration;
          this.floatScalar = null;
      }
  
      /**
       * Create a duration from a FloatScalar FloatDuration type.
       * @param duration the duration as a FloatScalar FloatDuration.
       */
      public NumberDuration(final FloatDuration duration)
      {
          this.duration = null;
          this.doubleScalar = null;
          this.floatScalar = duration;
      }
  
      /** {@inheritDoc} */
      @Override
      public int intValue()
      {
          return this.duration.intValue();
      }
  
      /** {@inheritDoc} */
      @Override
      public long longValue()
      {
          return this.duration.longValue();
      }
  
      /** {@inheritDoc} */
      @Override
      public float floatValue()
      {
          return this.duration.floatValue();
      }
  
      /** {@inheritDoc} */
      @Override
      public double doubleValue()
      {
          return this.duration.doubleValue();
      }
  
      /**
       * Return the NumberDuration as an object, e.g., for serializing.
       * @return NumberDuration as an object
       */
      public Object getObject()
      {
         if (this.duration != null)
         {
             return this.duration;
         }
         else if (this.doubleScalar != null)
         {
             return this.doubleScalar;
         }
         else if (this.floatScalar != null)
         {
             return this.floatScalar;
         }
         else
         {
             // should never happen
             throw new RuntimeException("NumberDuration is neither Number, nor Duration, nor FloatDuration");
         }
     }
 
     /**
      * @return the duration as a Number
      */
     public Number getNumber()
     {
         if (this.duration != null)
         {
             return this.duration;
         }
         else if (this.doubleScalar != null)
         {
             return this.doubleScalar;
         }
         else if (this.floatScalar != null)
         {
             return this.floatScalar;
         }
         else
         {
             // should never happen
             throw new RuntimeException("NumberDuration is neither Number, nor Duration, nor FloatDuration");
         }
     }
 
     /**
      * @return the duration as a djunits Duration type
      */
     public Duration getDuration()
     {
         if (this.duration != null)
         {
             return Duration.createSI(this.duration.doubleValue());
         }
         else if (this.doubleScalar != null)
         {
             return this.doubleScalar;
         }
         else if (this.floatScalar != null)
         {
             return new Duration(this.floatScalar.getInUnit(), this.floatScalar.getUnit());
         }
         else
         {
             // should never happen
             throw new RuntimeException("NumberDuration is neither Number, nor Duration, nor FloatDuration");
         }
     }
 
     /**
      * @return the duration as a djunits FloatDuration type
      */
     public FloatDuration getFloatDuration()
     {
         if (this.duration != null)
         {
             return FloatDuration.createSI(this.duration.floatValue());
         }
         else if (this.doubleScalar != null)
         {
             return new FloatDuration((float) this.doubleScalar.getInUnit(), this.doubleScalar.getUnit());
         }
         else if (this.floatScalar != null)
         {
             return this.floatScalar;
         }
         else
         {
             // should never happen
             throw new RuntimeException("NumberDuration is neither Number, nor Duration, nor FloatDuration");
         }
     }
 }