Package org.geotools.api.filter
Interface PropertyIsNil
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- 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
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description Expression
getExpression()
Returns the expression whose value will be checked fornull
.Object
getNilReason()
The nil reason.
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Field Detail
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NAME
static final String NAME
Operator name used to check FilterCapabilities- See Also:
- Constant Field Values
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Method Detail
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getExpression
Expression getExpression()
Returns the expression whose value will be checked fornull
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getNilReason
Object getNilReason()
The nil reason.
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