rdf4j-postgis  Version 0.1.0.0
NumDistinctInteriorRings Class Reference

Returns the number of distinct interior rings. More...

Inheritance diagram for NumDistinctInteriorRings:
Collaboration diagram for NumDistinctInteriorRings:

Public Member Functions

String getURI ()
 
int attribute (Geometry geom)
 
Value evaluate (ValueFactory valueFactory, Value... args) throws ValueExprEvaluationException
 

Detailed Description

Returns the number of distinct interior rings.

Member Function Documentation

◆ attribute()

int attribute ( Geometry  geom)

Reimplemented from GeometricIntegerAttributeFunction.

19  {
20  if (geom instanceof Polygon) {
21  return ((Polygon) geom).getNumInteriorRing();
22  }
23  return 0;
24  }

◆ evaluate()

Value evaluate ( ValueFactory  valueFactory,
Value...  args 
) throws ValueExprEvaluationException
inherited
16  {
17  if (args.length != 1) {
18  throw new ValueExprEvaluationException(getURI() + " requires exactly 1 arguments, got " + args.length);
19  }
20 
21  LiteralType l=LiteralRegistry.getLiteral(((Literal)args[0]).getDatatype().toString());
22  if(l instanceof VectorLiteral) {
23  Geometry geom=((VectorLiteral)l).read(args[0].stringValue());
24  int result = attribute(geom);
25  return valueFactory.createLiteral(result);
26  }
27  throw new ValueExprEvaluationException("Argument given is not a geometry literal");
28  }

References GeometricIntegerAttributeFunction.attribute(), and LiteralRegistry.getLiteral().

Referenced by NDimsTest.test2DGeom(), NDimsTest.test3DGeom(), NDimsTest.testMGeom(), NRingsTest.testNRings(), NumDistinctInteriorRingsTest.testNRings(), NumDistinctGeometriesTest.testNumDistinctGeometries(), NumDistinctGeometriesTest.testNumDistinctGeometriesCollection(), NumDistinctPointsTest.testNumDistinctPoints(), NumGeometriesTest.testNumGeometries(), NumGeometriesTest.testNumGeometriesCollection(), NumPointsTest.testNumPoints(), and OrientationTest.testOrientation().

◆ getURI()

String getURI ( )
14  {
15  return POSTGIS.st_numDistinctInteriorRings.stringValue();
16  }

References POSTGIS.st_numDistinctInteriorRings.