#include <coherence/util/filter/IsNullFilter.hpp>
Inherits EqualsFilter.
Public Types | |
typedef spec::Handle | Handle |
IsNullFilter Handle definition. | |
typedef spec::View | View |
IsNullFilter View definition. | |
typedef spec::Holder | Holder |
IsNullFilter Holder definition. | |
Protected Member Functions | |
IsNullFilter () | |
Default constructor (necessary for the PortableObject interface). | |
IsNullFilter (ValueExtractor::View vValueExtractor) | |
Construct a IsNullFilter for testing equality to null. |
IsNullFilter | ( | ValueExtractor::View | vValueExtractor | ) | [protected] |
Construct a IsNullFilter for testing equality to null.
vValueExtractor | the ValueExtractor to use by this filter |