RasterConstructorFunction Class Reference

Inheritance diagram for RasterConstructorFunction:

Collaboration diagram for RasterConstructorFunction:

Public Member Functions
Value	evaluate (ValueFactory valueFactory, Value... args) throws ValueExprEvaluationException
abstract GridCoverage	construct (String input)

Member Function Documentation

construct()

abstract GridCoverage construct ( String  input )

abstract

Reimplemented in RastFromWKB, RastFromNetCDF, RastFromHexWKB, RastFromGMLCOV, and RastFromCoverageJSON.

Referenced by RasterConstructorFunction.evaluate().

evaluate()

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

                                                                                                            {
                if (args.length != 1) {
                        throw new ValueExprEvaluationException(getURI() + " requires exactly 1 arguments, got " + args.length);
                }
                LiteralType l=LiteralRegistry.getLiteral(((Literal)args[0]).getDatatype().toString());
                String geomString = args[0].stringValue();
                GridCoverage result = construct(geomString);
                return valueFactory.createLiteral(((RasterLiteral) l).unparse(result),((Literal)args[0]).getDatatype());
        }

References RasterConstructorFunction.construct(), and LiteralRegistry.getLiteral().

Referenced by RastFromCoverageJSONTest.testRastFromCoverageJSON(), and RastFromWKBTest.testRastFromWKB().