Package org.openhab.core.i18n

Interface UnitProvider

  • @NonNullByDefault
public interface UnitProvider
    Provides Units and the current SystemOfUnits.
    Author:
    Henning Treu - Initial contribution

    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      javax.measure.spi.SystemOfUnits getMeasurementSystem()
      Returns the SystemOfUnits which is currently set, must not be null.
      <T extends javax.measure.Quantity<T>>
      @Nullable javax.measure.Unit<T>      		 getUnit​(@Nullable Class<T> dimension)
      Retrieves the default Unit for the given Quantity according to the current SystemOfUnits.

    • Method Detail

      • getUnit

        <T extends javax.measure.Quantity<T>> @Nullable javax.measure.Unit<T> getUnit​(@Nullable Class<T> dimension)
        Retrieves the default Unit for the given Quantity according to the current SystemOfUnits.
        Parameters:
        dimension - The Quantity, called dimension here, defines the base unit for the retrieved unit. E.g. call getUnit(javax.measure.quantity.Temperature.class) to retrieve the temperature unit according to the current SystemOfUnits.
        Returns:
        The Unit matching the given Quantity, null otherwise.

      • getMeasurementSystem

        javax.measure.spi.SystemOfUnits getMeasurementSystem()
        Returns the SystemOfUnits which is currently set, must not be null.
        Returns:
        the SystemOfUnits which is currently set, must not be null.