Rating.java :  » Google-tech » objectify-appengine » com » google » appengine » api » datastore » Java Open Source

package com.google.appengine.api.datastore;

import java.io.Serializable;

/**
 * GWT emulation class.
 */
@SuppressWarnings("serial")
public class Rating implements Serializable, Comparable<Rating>
{
  public static final int MIN_VALUE = 0;
  public static final int MAX_VALUE = 100;
  private final int rating;

  public Rating(int rating)
  {
    if (rating < MIN_VALUE || rating > MAX_VALUE)
    {
      throw new IllegalArgumentException("Rating must be between " + MIN_VALUE + " and " + MAX_VALUE);
    }
    else
    {
      this.rating = rating;
    }
  }

  @SuppressWarnings("unused")
  private Rating()
  {
    this(0);
  }

  public int getRating()
  {
    return rating;
  }

  public boolean equals(Object o)
  {
    if (this == o)
      return true;
    if (o == null || getClass() != o.getClass())
      return false;
    Rating rating1 = (Rating) o;
    return rating == rating1.rating;
  }

  public int hashCode()
  {
    return rating;
  }

  public int compareTo(Rating o)
  {
    return Integer.valueOf(rating).compareTo(Integer.valueOf(o.rating));
  }
}