33 | Geospatial functions given latitude/longitude) ?Normally you would calculate the distance like: double cx = Math.toRadians(fromLat); double cy = Math.toRadians(fromLon); double px = Math.toRadians(toLat); double py = Math.toRadians(toLon); // see http://de.wikipedia.org/wiki/Orthodrome double gamma = Math.acos |
11 | javax.persistence.criteria.CriteriaBuilder.0 Expression<Double> avg( Expression<N> x) Create an aggregate expression applying the avg operation ... Expression<Double> sqrt( Expression<?> x) Create an expression that returns the square root of its argument ... - expression y - expression Returns: sum Since: JPA 2.0 Expression<Double> sumAsDouble( Expression |
6 | toDouble(number)Method javax.persistence.criteria.CriteriaBuilder Expression<Double> toDouble( Expression<?> number ) Typecast. Returns same expression object. Parameters: number - numeric expression Returns: Expression<Double> Since: JPA 2.0 |
6 | sumAsDouble(x)Method javax.persistence.criteria.CriteriaBuilder Expression<Double> sumAsDouble( Expression<Float> x ) Create an aggregate expression applying the sum operation to a Float-valued expression, returning a Double result. Parameters: x - expression representing input value to sum operation Returns: sum expression Since: JPA 2.0 |
2 | Step 6: Set the Spring XML clicking and selecting Edit or by double click and then moving to the XML tab in the editor window |
2 | Step 2: Entity Class and Persistence Unit the persistence.xml file in a text editor (by right clicking and selecting Edit or by double click |
2 | Step 6: Set the Spring XML right clicking and selecting Open With > Text Editor or by double click and then moving to the Source |
1 | javax.jdo.spi.StateManager Returns: the new value for the field Since: JDO 1.0 double getDoubleField( PersistenceCapable pc, int field, double currentValue) Return the value for the field. Return the value for the field. Parameters ... ( PersistenceCapable pc, int field, double currentValue) The value of the field requested to be provided |
0 | javax.jdo.spi.PersistenceCapable.ObjectIdFieldManager to be stored into the ObjectId. Since: JDO 1.0 double fetchDoubleField(int fieldNumber) Fetch one field ... of the field from the ObjectId. Since: JDO 1.0 void storeDoubleField(int fieldNumber, double value) Store |
0 | setDoubleField(pc, field, currentValue, newValue)Method javax.jdo.spi.StateManager void setDoubleField( PersistenceCapable pc, int field, double currentValue, double newValue ) Mark the field as modified by the user. Parameters: pc - the calling PersistenceCapable instance field - the field number currentValue - the current value of the field |
