See: Description
| Class | Description | 
|---|---|
| DWithinExpression | 
 A  
Criterion constraining a geometry property to be within a specified distance of a search geometry. | 
| ExpressionUtil | 
 This class assists in the formation of a SQL-fragment in the various spatial query expressions. 
 | 
| HavingSridExpression | 
 A  
Criterion constraining a geometry property to have a specified SRID. | 
| IsEmptyExpression | 
 A  
Criterion constraining a geometry property to be (non-)empty. | 
| SpatialFilter | 
 A  
Criterion constraining a geometry property to have a bounding box that overlaps with
 a specified bounding box. | 
| SpatialProjections | 
 A factory for spatial projections. 
 | 
| SpatialRelateExpression | 
 A  
Criterion constraining a Geometry property to have specific spatial relation
 to a search Geometry. | 
| SpatialRestrictions | 
 A factory for spatial criteria. 
 | 
This extends the criterion API with spatial query expressions.
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