com.querydsl.spatial

Class GeometryExpressions

java.lang.Object

com.querydsl.spatial.GeometryExpressions

public final class GeometryExpressions
extends Object

GeometryExpressions contains static functions for GEO operations

Method Summary

Modifier and Type	Method and Description
static StringExpression	asEWKT(GeometryExpression<?> expr) Return a specified ST_Geometry value from Extended Well-Known Text representation (EWKT).
static <T extends org.geolatte.geom.Geometry> GeometryExpression<T>	asGeometry(Expression<T> expr) Create a new GeometryExpression
static <T extends org.geolatte.geom.Geometry> GeometryExpression<T>	asGeometry(T value) Create a new GeometryExpression
static GeometryExpression<?>	collect(Expression<? extends org.geolatte.geom.Geometry> expr1, Expression<? extends org.geolatte.geom.Geometry> expr2) Return a specified ST_Geometry value from a collection of other geometries.
static GeometryExpression<?>	collect(Expression<? extends org.geolatte.geom.GeometryCollection> collection) Return a specified ST_Geometry value from a collection of other geometries.
static BooleanExpression	dwithin(Expression<? extends org.geolatte.geom.Geometry> expr1, Expression<? extends org.geolatte.geom.Geometry> expr2, double distance) Returns true if the geometries are within the specified distance of one another.
static BooleanExpression	dwithin(Expression<? extends org.geolatte.geom.Geometry> expr1, Expression<? extends org.geolatte.geom.Geometry> expr2, Expression<Double> distance) Returns true if the geometries are within the specified distance of one another.
static GeometryExpression<?>	extent(Expression<? extends org.geolatte.geom.GeometryCollection> collection) Returns the bounding box that bounds rows of geometries.
static GeometryExpression<?>	fromText(Expression<String> text) Return a specified ST_Geometry value from Well-Known Text representation (WKT).
static GeometryExpression<?>	fromText(String text) Return a specified ST_Geometry value from Well-Known Text representation (WKT).
static <T extends org.geolatte.geom.Geometry> GeometryExpression<T>	geometryOperation(Class<? extends T> type, Operator op, Expression<?>... args) Create a new Geometry operation expression
static GeometryExpression<org.geolatte.geom.Geometry>	geometryOperation(Operator op, Expression<?>... args) Create a new Geometry operation expression
static LineStringExpression<org.geolatte.geom.LineString>	lineStringOperation(Operator op, Expression<?>... args) Create a new LineString operation expression
static PointExpression<org.geolatte.geom.Point>	pointOperation(Operator op, Expression<?>... args) Create a new Point operation expression
static PolygonExpression<org.geolatte.geom.Polygon>	polygonOperation(Operator op, Expression<?>... args) Create a new Polygon operation expression
static <T extends org.geolatte.geom.Geometry> GeometryExpression<T>	setSRID(Expression<T> expr, int srid) Sets the SRID on a geometry to a particular integer value.
static <T extends org.geolatte.geom.Geometry> GeometryExpression<T>	translate(Expression<T> expr, float deltax, float deltay) Translates the geometry to a new location using the numeric parameters as offsets.
static <T extends org.geolatte.geom.Geometry> GeometryExpression<T>	translate(Expression<T> expr, float deltax, float deltay, float deltaz) Translates the geometry to a new location using the numeric parameters as offsets.
static NumberExpression<Double>	xmax(GeometryExpression<?> expr) Returns X maxima of a bounding box 2d or 3d or a geometry.
static NumberExpression<Double>	xmin(GeometryExpression<?> expr) Returns X minima of a bounding box 2d or 3d or a geometry.
static NumberExpression<Double>	ymax(GeometryExpression<?> expr) Returns Y maxima of a bounding box 2d or 3d or a geometry.
static NumberExpression<Double>	ymin(GeometryExpression<?> expr) Returns Y minima of a bounding box 2d or 3d or a geometry.

Methods inherited from class java.lang.Object

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

Method Detail

asEWKT

public static StringExpression asEWKT(GeometryExpression<?> expr)

Return a specified ST_Geometry value from Extended Well-Known Text representation (EWKT).

Parameters:

expr - geometry

Returns:

serialized form

fromText

public static GeometryExpression<?> fromText(String text)

Return a specified ST_Geometry value from Well-Known Text representation (WKT).

Parameters:

text - WKT form

Returns:

geometry

fromText

public static GeometryExpression<?> fromText(Expression<String> text)

Return a specified ST_Geometry value from Well-Known Text representation (WKT).

Parameters:

text - WKT form

Returns:

geometry

setSRID

public static <T extends org.geolatte.geom.Geometry> GeometryExpression<T> setSRID(Expression<T> expr,
                                                                                   int srid)

Sets the SRID on a geometry to a particular integer value.

Type Parameters:

T -

Parameters:

expr - geometry

srid - SRID

Returns:

converted geometry

xmin

public static NumberExpression<Double> xmin(GeometryExpression<?> expr)

Returns X minima of a bounding box 2d or 3d or a geometry.

Parameters:

expr - geometry

Returns:

x minima

xmax

public static NumberExpression<Double> xmax(GeometryExpression<?> expr)

Returns X maxima of a bounding box 2d or 3d or a geometry.

Parameters:

expr - geometry

Returns:

x maxima

ymin

public static NumberExpression<Double> ymin(GeometryExpression<?> expr)

Returns Y minima of a bounding box 2d or 3d or a geometry.

Parameters:

expr - geometry

Returns:

y minima

ymax

public static NumberExpression<Double> ymax(GeometryExpression<?> expr)

Returns Y maxima of a bounding box 2d or 3d or a geometry.

Parameters:

expr - geometry

Returns:

y maxima

dwithin

public static BooleanExpression dwithin(Expression<? extends org.geolatte.geom.Geometry> expr1,
                                        Expression<? extends org.geolatte.geom.Geometry> expr2,
                                        Expression<Double> distance)

Returns true if the geometries are within the specified distance of one another. For geometry units are in those of spatial reference and For geography units are in meters.

Parameters:

expr1 - geometry

expr2 - other geometry

distance - distance

Returns:

true, if within distance of each other

dwithin

public static BooleanExpression dwithin(Expression<? extends org.geolatte.geom.Geometry> expr1,
                                        Expression<? extends org.geolatte.geom.Geometry> expr2,
                                        double distance)

Returns true if the geometries are within the specified distance of one another. For geometry units are in those of spatial reference and For geography units are in meters.

Parameters:

expr1 - geometry

expr2 - other geometry

distance - distance

Returns:

true, if within distance of each other

extent

public static GeometryExpression<?> extent(Expression<? extends org.geolatte.geom.GeometryCollection> collection)

Returns the bounding box that bounds rows of geometries.

Parameters:

collection - geometry collection

Returns:

bounding box

collect

public static GeometryExpression<?> collect(Expression<? extends org.geolatte.geom.GeometryCollection> collection)

Return a specified ST_Geometry value from a collection of other geometries.

Parameters:

collection - geometry collection

Returns:

geometry collection

collect

public static GeometryExpression<?> collect(Expression<? extends org.geolatte.geom.Geometry> expr1,
                                            Expression<? extends org.geolatte.geom.Geometry> expr2)

Return a specified ST_Geometry value from a collection of other geometries.

Parameters:

expr1 - geometry

expr2 - other geometry

Returns:

geometry collection

translate

public static <T extends org.geolatte.geom.Geometry> GeometryExpression<T> translate(Expression<T> expr,
                                                                                     float deltax,
                                                                                     float deltay)

Translates the geometry to a new location using the numeric parameters as offsets.

Type Parameters:

T -

Parameters:

expr - geometry

deltax - x offset

deltay - y offset

Returns:

geometry

translate

public static <T extends org.geolatte.geom.Geometry> GeometryExpression<T> translate(Expression<T> expr,
                                                                                     float deltax,
                                                                                     float deltay,
                                                                                     float deltaz)

Translates the geometry to a new location using the numeric parameters as offsets.

Type Parameters:

T -

Parameters:

expr - geometry

deltax - x offset

deltay - y offset

deltaz - z offset

Returns:

geometry

geometryOperation

public static GeometryExpression<org.geolatte.geom.Geometry> geometryOperation(Operator op,
                                                                               Expression<?>... args)

Create a new Geometry operation expression

Parameters:

op - operator

args - arguments

Returns:

operation expression

geometryOperation

public static <T extends org.geolatte.geom.Geometry> GeometryExpression<T> geometryOperation(Class<? extends T> type,
                                                                                             Operator op,
                                                                                             Expression<?>... args)

Create a new Geometry operation expression

Parameters:

op - operator

args - arguments

Returns:

operation expression

lineStringOperation

public static LineStringExpression<org.geolatte.geom.LineString> lineStringOperation(Operator op,
                                                                                     Expression<?>... args)

Create a new LineString operation expression

Parameters:

op - operator

args - arguments

Returns:

operation expression

pointOperation

public static PointExpression<org.geolatte.geom.Point> pointOperation(Operator op,
                                                                      Expression<?>... args)

Create a new Point operation expression

Parameters:

op - operator

args - arguments

Returns:

operation expression

polygonOperation

public static PolygonExpression<org.geolatte.geom.Polygon> polygonOperation(Operator op,
                                                                            Expression<?>... args)

Create a new Polygon operation expression

Parameters:

op - operator

args - arguments

Returns:

operation expression

asGeometry

public static <T extends org.geolatte.geom.Geometry> GeometryExpression<T> asGeometry(Expression<T> expr)

Create a new GeometryExpression

Parameters:

expr - Expression of type Geometry

Returns:

new GeometryExpression

asGeometry

public static <T extends org.geolatte.geom.Geometry> GeometryExpression<T> asGeometry(T value)

Create a new GeometryExpression

Parameters:

value - Geometry

Returns:

new GeometryExpression