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@XmlElement(value="PropertyIsNil") public interface PropertyIsNil
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".
http://portal.opengeospatial.org/files/?artifact_id=39968
Field Summary | |
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static String |
NAME
Operator name used to check FilterCapabilities |
Fields inherited from interface Filter |
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EXCLUDE, INCLUDE |
Method Summary | |
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Expression |
getExpression()
Returns the expression whose value will be checked for null . |
Object |
getNilReason()
The nil reason. |
Methods inherited from interface Filter |
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accept, evaluate |
Field Detail |
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static final String NAME
Method Detail |
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@XmlElement(value="expression") Expression getExpression()
null
.
@XmlElement(value="nilReason") Object getNilReason()
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