IsSolid Class Reference

Returns true if the given geometry is solid. More...

Inheritance diagram for IsSolid:

Collaboration diagram for IsSolid:

Public Member Functions
String	getURI ()
boolean	attribute (Geometry geom)
Value	evaluate (ValueFactory valueFactory, Value... args) throws ValueExprEvaluationException

Detailed Description

Returns true if the given geometry is solid.

Equivalent to ST_Is3D.

Member Function Documentation

attribute()

boolean attribute

(

Geometry

geom

)

                                                {
                Boolean is3D=true;
        for(Coordinate coord:geom.getCoordinates()) {
                if(Double.isNaN(coord.getZ())) {
                        is3D=false;
                }
        }
        return is3D;
        }

evaluate()

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

inherited

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

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

        }

getURI()

String getURI

(

)

                               {
                return POSTGIS.st_isSolid.stringValue();
        }