org.geotools.filter
Class IsNullImpl

java.lang.Object
  org.geotools.filter.FilterAbstract
      org.geotools.filter.IsNullImpl

All Implemented Interfaces:

org.opengis.filter.Filter, org.opengis.filter.PropertyIsNull

public class IsNullImpl

extends FilterAbstract

implements org.opengis.filter.PropertyIsNull

Constructor Summary

IsNullImpl(FilterFactory factory, org.opengis.filter.expression.Expression expression)

Method Summary

boolean	evaluate(Feature feature) Subclass should overrride.
org.opengis.filter.expression.Expression	getExpression()
void	setExpression(org.opengis.filter.expression.Expression expression)

Methods inherited from class org.geotools.filter.FilterAbstract

accept, accepts, comparable, eval, eval, evaluate

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.opengis.filter.Filter

accept, evaluate

Constructor Detail

IsNullImpl

public IsNullImpl(FilterFactory factory,
                  org.opengis.filter.expression.Expression expression)

Method Detail

getExpression

public org.opengis.filter.expression.Expression getExpression()

Specified by:

getExpression in interface org.opengis.filter.PropertyIsNull

setExpression

public void setExpression(org.opengis.filter.expression.Expression expression)

Specified by:

setExpression in interface org.opengis.filter.PropertyIsNull

evaluate

public boolean evaluate(Feature feature)

Description copied from class: FilterAbstract

Subclass should overrride. Default value is false

Overrides:

evaluate in class FilterAbstract