Class ConvexHull

java.lang.Object

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

All Implemented Interfaces:

Function

public class ConvexHull
extends Object

The GeoSPARQL Function geof:convexHull, as defined in OGC GeoSPARQL - A Geographic Query Language for RDF Data.

Constructor Summary

Constructors

Constructor	Description
ConvexHull()

Method Summary

Modifier and Type	Method	Description
Value	evaluate(ValueFactory valueFactory, Value... args)	Evaluate the function over the supplied input arguments, using the supplied ValueFactory to produce the result.
String	getURI()
protected org.locationtech.spatial4j.shape.Shape	operation(org.locationtech.spatial4j.shape.Shape s)

Methods inherited from class Object

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

Methods inherited from interface Function

evaluate, mustReturnDifferentResult

Modifier and Type	Method	Description
default Value	evaluate(TripleSource tripleSource, Value... args)	Evaluate the function over the supplied input arguments.
default boolean	mustReturnDifferentResult()	UUID() and STRUUID() must return a different result for each invocation.

Constructor Details

ConvexHull

public ConvexHull()

Method Details

getURI

public String getURI()

operation

protected org.locationtech.spatial4j.shape.Shape operation(org.locationtech.spatial4j.shape.Shape s)

evaluate

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

Description copied from interface: Function

Evaluate the function over the supplied input arguments, using the supplied ValueFactory to produce the result.

Specified by:

evaluate in interface Function

Parameters:

valueFactory - a ValueFactory to use for producing the function result.

args - the function input arguments.

Returns:

the function result value.

Throws:

ValueExprEvaluationException