Package org.wikidata.wdtk.datamodel.interfaces

Interface QuantityValue

All Superinterfaces:
Value
All Known Implementing Classes:
QuantityValueImpl
public interface QuantityValue extends Value
A quantity value represents a number, possibly under some unit. The number can be of arbitrary precision. Additional upper and lower bounds are provided to allow an interval of uncertainty to be defined.
Author:
Markus Kroetzsch

  • Method Details

    • getNumericValue

      BigDecimal getNumericValue()
      Returns the main numeric value of this quantity.
      Returns:
      numeric value as a decimal value of arbitrary precision

    • getLowerBound

      BigDecimal getLowerBound()
      Returns the upper bound for the numeric value of this quantity.
      Returns:
      numeric value as a decimal value of arbitrary precision or null if not set

    • getUpperBound

      BigDecimal getUpperBound()
      Returns the upper bound for the numeric value of this quantity.
      Returns:
      numeric value as a decimal value of arbitrary precision or null if not set

    • getUnit

      String getUnit()
      Returns the unit of this quantity, or the string "1" if there is no unit. Units are typically encoded as entity IRIs.
      Returns:
      unit string (IRI or the string "1" if there is no unit)

    • getUnitItemId

      ItemIdValue getUnitItemId()
      Returns:
      the unit of this quantity as an item id value, or null if there is no unit.
      Throws:
      IllegalArgumentException - if the unit is not "1" (no unit) or a valid item IRI