/**
* Constructs or retrieves an existing quotient SI unit.
*
* <p>When a new quotient unit is created the corresponding dimension and SI unit will be created
* too.
*
* <p>The dimension is created (if it doesn't exist yet) by using the provided units dimensions,
* triggering the creation of the corresponding SI unit.
*
* <p>If the default values used to create either the dimension or the SI unit don't reflect the
* conventions in use then instead of relying on automatic creating one should create the
* dimension before.
*
* @param dividend is the dimension that defines the dividend of the quotient
* @param divisor is the dimension that defined the divisor of the quotient
* @param name is the name to be used by this unit.
* @param symbol is the symbol to be used.
*/
public static Unit getOrCreateSIQuotient(
String name, String symbol, Dimension dividend, Dimension divisor) {
return UnitFactory.getOrCreateQuotient(
name, symbol, dividend.getSIUnit(), divisor.getSIUnit(), SIUnitConverter.getInstance());
}
/**
* Constructs or retrieves an existing SI product unit.
*
* <p>The dimension is created (if it doesn't exist yet) by using the provided units dimensions,
* triggering the creation of the corresponding SI unit. See {@link
* DimensionFactory#getOrCreateProduct(String, String, NamingProvider, Dimension...)} for details
* on how the SI unit is created.
*
* <p>If the default values used to create either the dimension or the SI unit don't reflect the
* conventions in use then instead of relying on automatic creating one should create the
* dimension before.
*
* @param name is the name to be used by this unit.
* @param symbol is the symbol to be used.
* @param units are the factor units that compose the product of this unit.
*/
public static Unit getOrCreateSIProduct(String name, String symbol, Unit... units) {
return UnitFactory.getOrCreateProduct(name, symbol, SIUnitConverter.getInstance(), units);
}