RastFromCoverageJSON Class Reference

Inheritance diagram for RastFromCoverageJSON:

Collaboration diagram for RastFromCoverageJSON:

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

Member Function Documentation

construct()

GridCoverage construct

(

String

input

)

Reimplemented from RasterConstructorFunction.

                                                    {
                return CovJSONDatatype.INSTANCE.read(input);
        }

References CovJSONDatatype.INSTANCE, and CovJSONDatatype.read().

evaluate()

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

inherited

                                                                                                            {
                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().

getURI()

String getURI

(

)

                               {
                return POSTGIS.st_rastFromCovJSON.stringValue();
        }

References POSTGIS.st_rastFromCovJSON.