Package org.geotools.api.filter
Interface PropertyIsNil
- All Superinterfaces:
Filter
- All Known Implementing Classes:
IsNilImpl
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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Field Summary
FieldsModifier and TypeFieldDescriptionstatic final String
Operator name used to check FilterCapabilities -
Method Summary
Modifier and TypeMethodDescriptionReturns the expression whose value will be checked fornull
.The nil reason.
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Field Details
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NAME
Operator name used to check FilterCapabilities- See Also:
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Method Details
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getExpression
Expression getExpression()Returns the expression whose value will be checked fornull
. -
getNilReason
Object getNilReason()The nil reason.
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