GeometricModifierDoubleDoubleDoubleFunction Class Reference

Inheritance diagram for GeometricModifierDoubleDoubleDoubleFunction:

Collaboration diagram for GeometricModifierDoubleDoubleDoubleFunction:

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

Protected Member Functions
abstract boolean	relation (Geometry geom, Double value, Double value2, Double value3)

Member Function Documentation

evaluate()

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

                                                                                                            {
                if (args.length != 4) {
                        throw new ValueExprEvaluationException(getURI() + " requires exactly 3 arguments, got " + args.length);
                }
 
                LiteralType l=LiteralRegistry.getLiteral(((Literal)args[0]).getDatatype().toString());
                Double value=Double.valueOf(args[1].stringValue());
                Double value2=Double.valueOf(args[2].stringValue());
                Double value3=Double.valueOf(args[3].stringValue());
                if(l instanceof VectorLiteral) {
                        Geometry geom=((VectorLiteral)l).read(args[0].stringValue());
                        Boolean result = relation(geom,value,value2,value3);
                        return valueFactory.createLiteral(result);
                }
                throw new ValueExprEvaluationException("Argument given is not a geometry literal");
        }

References LiteralRegistry.getLiteral(), and GeometricModifierDoubleDoubleDoubleFunction.relation().

Referenced by PointInsideCircleTest.testPointInsideCircleFalse(), and PointInsideCircleTest.testPointInsideCircleTrue().

relation()

abstract boolean relation ( Geometry  geom, Double  value, Double  value2, Double  value3  )

abstractprotected

Reimplemented in PointInsideCircle.

Referenced by GeometricModifierDoubleDoubleDoubleFunction.evaluate().