org.geotools.filter
Interface NullFilter

All Superinterfaces:

Filter, FilterType, PropertyIsNull

All Known Implementing Classes:

IsNullImpl, NullFilterImpl

Deprecated. use PropertyIsNull

public interface NullFilter
extends Filter, PropertyIsNull

Defines a null filter, which checks to see if an attribute is null.

Author:

Rob Hranac, Vision for New York, Chris Holmes, TOPP

Field Summary

Fields inherited from interface Filter

ALL, NONE

Fields inherited from interface FilterType

BETWEEN, COMPARE_EQUALS, COMPARE_GREATER_THAN, COMPARE_GREATER_THAN_EQUAL, COMPARE_LESS_THAN, COMPARE_LESS_THAN_EQUAL, COMPARE_NOT_EQUALS, FID, GEOMETRY_BBOX, GEOMETRY_BEYOND, GEOMETRY_CONTAINS, GEOMETRY_CROSSES, GEOMETRY_DISJOINT, GEOMETRY_DWITHIN, GEOMETRY_EQUALS, GEOMETRY_INTERSECTS, GEOMETRY_OVERLAPS, GEOMETRY_TOUCHES, GEOMETRY_WITHIN, LIKE, LOGIC_AND, LOGIC_NOT, LOGIC_OR, NULL

Fields inherited from interface PropertyIsNull

NAME

Fields inherited from interface Filter

EXCLUDE, INCLUDE

Method Summary

boolean	contains(SimpleFeature feature) Deprecated. use org.opengis.filter.Filter#evaluate(Feature)
Expression	getNullCheckValue() Deprecated. use PropertyIsNull.getExpression()
void	nullCheckValue(Expression nullCheck) Deprecated. use PropertyIsNull#setExpression(Expression)

Methods inherited from interface Filter

accept, and, evaluate, getFilterType, not, or

Methods inherited from interface PropertyIsNull

getExpression

Methods inherited from interface Filter

accept, evaluate

Method Detail

nullCheckValue

void nullCheckValue(Expression nullCheck)
                    throws IllegalFilterException

Deprecated. use PropertyIsNull#setExpression(Expression)

Determines whether or not a given feature is 'inside' this filter.

Parameters:

nullCheck - The attribute expression to null check.

Throws:

IllegalFilterException - If attempting to add a non-attribute expression.

TODO:

REVISIT: change arg to AttributeExpression?, REVISIT: change name to setNullCheckValue.

getNullCheckValue

Expression getNullCheckValue()

Deprecated. use PropertyIsNull.getExpression()

Returns the expression being checked for null.

Returns:

the Expression to null check.

contains

boolean contains(SimpleFeature feature)

Deprecated. use org.opengis.filter.Filter#evaluate(Feature)

Determines whether or not a given feature is null for the nullCheck attribute.

Parameters:

feature - Specified feature to examine.

Returns:

Flag confirming whether or not this feature is inside the filter.