Package org.geotools.api.filter

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

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final String
    NAME
    Operator name used to check FilterCapabilities

    Fields inherited from interface Filter

    EXCLUDE, INCLUDE

  • Method Summary

    Modifier and Type
    Method
    Description
    Expression
    getExpression()
    Returns the expression whose value will be checked for null.
    Object
    getNilReason()
    The nil reason.

    Methods inherited from interface Filter

    accept, evaluate

  • Field Details

  • Method Details

    • getExpression

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

    • getNilReason

      Object getNilReason()
      The nil reason.