SameAlignment Class Reference

Inheritance diagram for SameAlignment:

Collaboration diagram for SameAlignment:

Public Member Functions
String	getURI ()
Boolean	relation (GridCoverage coverage1, GridCoverage coverage2)
Value	evaluate (ValueFactory valueFactory, Value... args) throws ValueExprEvaluationException

Member Function Documentation

evaluate()

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

inherited

                                                                                                            {
                if (args.length != 3) {
                        throw new ValueExprEvaluationException(getURI() + " requires exactly 1 arguments, got " + args.length);
                }
                LiteralType l=LiteralRegistry.getLiteral(((Literal)args[0]).getDatatype().toString());
                LiteralType l2=LiteralRegistry.getLiteral(((Literal)args[1]).getDatatype().toString());
                if(l instanceof RasterLiteral && l2 instanceof RasterLiteral) {
                        GridCoverage geom=((RasterLiteral)l).read(args[0].stringValue());
                        GridCoverage geom2=((RasterLiteral)l).read(args[1].stringValue());
                        Boolean result = relation(geom,geom2);
                        return valueFactory.createLiteral(result);
                }
                return null;
        }

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

getURI()

String getURI

(

)

                               {
                return POSTGIS.st_rast_SameAlignment.stringValue();
        }

References POSTGIS.st_rast_SameAlignment.

relation()

Boolean relation	(	GridCoverage	coverage1,
		GridCoverage	coverage2
	)

Reimplemented from RasterRelationBooleanFunction.

                                                                                {
                // TODO Auto-generated method stub
                return null;
        }