Package javax.measure.spi
Interface QuantityFactory<Q extends Quantity<Q>>
- Type Parameters:
Q
- the type of theQuantity
result
public interface QuantityFactory<Q extends Quantity<Q>>
- Since:
- 1.0
- Version:
- 1.0, August 8, 2016
- See Also:
-
Method Summary
-
Method Details
-
create
Returns the quantity for the specified number stated in the specified unit.- Parameters:
value
- the numeric value stated in the specified unitunit
- the unit- Returns:
- the corresponding quantity
-
getSystemUnit
Returns the system unit for quantities produced by this factory ornull
if unknown.Because the system unit is unique by quantity type, it can be be used to identify the quantity given the unit. For example:
static boolean isAngularSpeed(Unit<?> unit) { return unit.getSystemUnit().equals(RADIAN.divide(SECOND)); } assert isAngularSpeed(REVOLUTION.divide(MINUTE)); // Returns true.
- Returns:
- the system unit for this factory.
- See Also:
-