GeometricBinaryCRSAttributeFunction Class Reference

Inheritance diagram for GeometricBinaryCRSAttributeFunction:

Collaboration diagram for GeometricBinaryCRSAttributeFunction:

Public Member Functions
Value	evaluate (ValueFactory valueFactory, Value... args) throws ValueExprEvaluationException

Protected Member Functions
abstract boolean	operation (Geometry g1, CoordinateReferenceSystem crs)

Member Function Documentation

evaluate()

Value evaluate	(	ValueFactory	valueFactory,
		Value...	args
	)		throws ValueExprEvaluationException

                                                                                                            {
                if (args.length != 2) {
                        throw new ValueExprEvaluationException(getURI() + " requires exactly 2 arguments, got " + args.length);
                }
                
                LiteralType l=LiteralRegistry.getLiteral(((Literal)args[0]).getDatatype().toString());
                Integer srid=Integer.valueOf(args[1].stringValue());
                if(l instanceof VectorLiteral) {
                        Geometry geom=((VectorLiteral)l).read(args[0].stringValue());
                        boolean result;
                        try {
                                result = operation(geom,CRS.forCode("EPSG:"+srid));
                                return valueFactory.createLiteral(result);
                        } catch (FactoryException e) {
                                // TODO Auto-generated catch block
                                e.printStackTrace();
                                return null;
                        }
        
                }
                throw new ValueExprEvaluationException("Arguments given are not geometry literals");
        }

References LiteralRegistry.getLiteral(), and GeometricBinaryCRSAttributeFunction.operation().

Referenced by IsInCRSAreaOfValidityTest.testIsInCRSAreaOfValidityFalse(), and IsInCRSAreaOfValidityTest.testIsInCRSAreaOfValidityTrue().

operation()

abstract boolean operation ( Geometry  g1, CoordinateReferenceSystem  crs  )

abstractprotected

Reimplemented in IsInCRSAreaOfValidity.

Referenced by GeometricBinaryCRSAttributeFunction.evaluate().