GeoPt (Google App Engine API for Java)

com.google.appengine.api.datastore

Class GeoPt

• java.lang.Object
• • com.google.appengine.api.datastore.GeoPt

• All Implemented Interfaces:

  java.io.Serializable, java.lang.Comparable<GeoPt>

  ---

  
  

  public final class GeoPt
  extends java.lang.Object
  implements java.io.Serializable, java.lang.Comparable<GeoPt>

  A geographical point, specified by float latitude and longitude coordinates. Often used to integrate with mapping sites like Google Maps.

  See Also:

  Serialized Form

• • Field Summary

    Fields 

    Modifier and Type	Field and Description
    static double	EARTH_RADIUS_METERS
    static long	serialVersionUID

  • Constructor Summary

    Constructors 

    Constructor and Description
    GeoPt(float latitude, float longitude) Constructs a GeoPt.

  • Method Summary

    All Methods Instance Methods Concrete Methods 

    Modifier and Type	Method and Description
    int	compareTo(GeoPt o) Sort first by latitude, then by longitude
    boolean	equals(java.lang.Object o)
    float	getLatitude()
    float	getLongitude()
    int	hashCode()
    java.lang.String	toString()

    • Methods inherited from class java.lang.Object

      getClass, notify, notifyAll, wait, wait, wait

• • Field Detail

    • serialVersionUID

      public static final long serialVersionUID

      See Also:

      Constant Field Values

    • EARTH_RADIUS_METERS

      public static final double EARTH_RADIUS_METERS

      See Also:

      Constant Field Values

  • Constructor Detail

    • GeoPt

      public GeoPt(float latitude,
                   float longitude)

      Constructs a GeoPt.

      Parameters:

      latitude - The latitude. Must be between -90 and 90 (inclusive).

      longitude - The longitude. Must be between -180 and 180 (inclusive).

      Throws:

      java.lang.IllegalArgumentException - If latitude or longitude is outside the legal range.

  • Method Detail

    • getLatitude

      public float getLatitude()

    • getLongitude

      public float getLongitude()

    • compareTo

      public int compareTo(GeoPt o)

      Sort first by latitude, then by longitude

      Specified by:

      compareTo in interface java.lang.Comparable<GeoPt>

    • equals

      public boolean equals(java.lang.Object o)

      Overrides:

      equals in class java.lang.Object

    • hashCode

      public int hashCode()

      Overrides:

      hashCode in class java.lang.Object

    • toString

      public java.lang.String toString()

      Overrides:

      toString in class java.lang.Object