Interface PropertyIsNil

  • All Superinterfaces:
    Filter
    All Known Implementing Classes:
    IsNilImpl

    public interface PropertyIsNil
    extends Filter
    Filter operator that checks if an expression's value is nil.

    From the specification:

     The PropertyIsNil operator tests the content of the specified property and evaluates if it is nil.
     The operator can also evaluate the nil reason using the nilReason parameter. The implied operator
     for evaluating the nil reason is "equals".
     
    Since:
    GeoAPI 2.0
    Author:
    Justin Deoliveira, OpenGeo
    • Method Detail

      • getExpression

        Expression getExpression()
        Returns the expression whose value will be checked for null.
      • getNilReason

        Object getNilReason()
        The nil reason.