Class FunctionArguments

java.lang.Object

org.eclipse.rdf4j.query.algebra.evaluation.function.geosparql.FunctionArguments

class FunctionArguments
extends Object

Constructor Summary

Constructors

Modifier	Constructor	Description
private	FunctionArguments()	Empty constructor

Method Summary

Modifier and Type	Method	Description
static double	convertFromDegrees(double degs, IRI units)	Convert degrees to another unit
static double	convertToDegrees(double v, IRI units)	Convert a value to degrees
static double	getDouble(Function func, Value v)	Get the double value
static Literal	getLiteral(Function func, Value v, IRI expectedDatatype)	Get the literal of a specific data type
static org.locationtech.spatial4j.shape.Point	getPoint(Function func, Value v, org.locationtech.spatial4j.context.SpatialContext geoContext)	Get the geo point
static org.locationtech.spatial4j.shape.Shape	getShape(Function func, Value v, org.locationtech.spatial4j.context.SpatialContext context)	Get the geo shape
static String	getString(Function func, Value v)	Get the string value
static IRI	getUnits(Function func, Value v)	Get the UoM IRI of the unit

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

FunctionArguments

private FunctionArguments()

Empty constructor

Method Details

getDouble

public static double getDouble(Function func,
 Value v)
                        throws ValueExprEvaluationException

Get the double value

Parameters:

func - function

v - value

Returns:

double

Throws:

ValueExprEvaluationException

getString

public static String getString(Function func,
 Value v)
                        throws ValueExprEvaluationException

Get the string value

Parameters:

func - function

v - value

Returns:

string

Throws:

ValueExprEvaluationException

getShape

public static org.locationtech.spatial4j.shape.Shape getShape(Function func,
 Value v,
 org.locationtech.spatial4j.context.SpatialContext context)
                                                       throws ValueExprEvaluationException

Get the geo shape

Parameters:

func - function

v - value

context -

Returns:

shape

Throws:

ValueExprEvaluationException

getPoint

public static org.locationtech.spatial4j.shape.Point getPoint(Function func,
 Value v,
 org.locationtech.spatial4j.context.SpatialContext geoContext)
                                                       throws ValueExprEvaluationException

Get the geo point

Parameters:

func - function

v - value

geoContext -

Returns:

point

Throws:

ValueExprEvaluationException

getLiteral

public static Literal getLiteral(Function func,
 Value v,
 IRI expectedDatatype)
                          throws ValueExprEvaluationException

Get the literal of a specific data type

Parameters:

func - function

v - value

expectedDatatype -

Returns:

literal

Throws:

ValueExprEvaluationException

getUnits

public static IRI getUnits(Function func,
 Value v)
                    throws ValueExprEvaluationException

Get the UoM IRI of the unit

Parameters:

func - function

v - value

Returns:

UoM IRI

Throws:

ValueExprEvaluationException

convertFromDegrees

public static double convertFromDegrees(double degs,
 IRI units)
                                 throws ValueExprEvaluationException

Convert degrees to another unit

Parameters:

degs - degrees

units - UoM IRI of the unit to convert to

Returns:

converted value as a double

Throws:

ValueExprEvaluationException

convertToDegrees

public static double convertToDegrees(double v,
 IRI units)
                               throws ValueExprEvaluationException

Convert a value to degrees

Parameters:

v - value

units - UoM IRI of the unit

Returns:

degrees as a double

Throws:

ValueExprEvaluationException