org.geotools.geopkg.geom

Class GeometryDoubleFunction

Object

Function

GeometryDoubleFunction

public abstract class GeometryDoubleFunction
extends Function

An sqlite function that operates on a Geopackage Geometry BLOB and returns a double

Author:

Andrea Aime

Nested Class Summary

Nested classes/interfaces inherited from class Function

Function.Aggregate, Function.Window

Field Summary

Fields inherited from class Function

FLAG_DETERMINISTIC

Constructor Summary

Constructors

Constructor and Description
GeometryDoubleFunction()

Method Summary

Modifier and Type	Method and Description
abstract double	execute(GeoPkgGeomReader reader)
protected void	xFunc()

Methods inherited from class Function

args, create, create, create, destroy, destroy, error, result, result, result, result, result, result, value_blob, value_double, value_int, value_long, value_text, value_type

Methods inherited from class Object

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

Constructor Detail

GeometryDoubleFunction

public GeometryDoubleFunction()

Method Detail

execute

public abstract double execute(GeoPkgGeomReader reader)
                        throws IOException,
                               SQLException

Throws:

IOException

SQLException

xFunc

protected void xFunc()
              throws SQLException

Specified by:

xFunc in class Function

Throws:

SQLException