com.mysema.query.spatial

Class SurfaceExpression<T extends org.geolatte.geom.Geometry>

java.lang.Object

com.mysema.query.types.expr.DslExpression<T>

com.mysema.query.types.expr.SimpleExpression<T>

com.mysema.query.spatial.GeometryExpression<T>

com.mysema.query.spatial.SurfaceExpression<T>

Type Parameters:

T -

All Implemented Interfaces:

Expression<T>, Serializable

Direct Known Subclasses:

PolygonExpression, PolyhedralSurfaceExpression

public abstract class SurfaceExpression<T extends org.geolatte.geom.Geometry>
extends GeometryExpression<T>

A Surface is a 2-dimensional geometric object.

Author:

tiwe

See Also:

Serialized Form

Field Summary

Fields inherited from class com.mysema.query.types.expr.DslExpression

hashCode, mixin

Constructor Summary

Constructors

Constructor and Description
SurfaceExpression(Expression<T> mixin)

Method Summary

Methods

Modifier and Type	Method and Description
NumberExpression<Double>	area() The area of this Surface, as measured in the spatial reference system of this Surface.
PointExpression<org.geolatte.geom.Point>	centroid() The mathematical centroid for this Surface as a Point.
PointExpression<org.geolatte.geom.Point>	pointOnSurface() A Point guaranteed to be on this Surface.

Methods inherited from class com.mysema.query.spatial.GeometryExpression

asBinary, asText, boundary, buffer, contains, contains, convexHull, crosses, crosses, difference, difference, dimension, disjoint, disjoint, distance, distance, distanceSphere, distanceSpheroid, envelope, eq, eq, geometryType, intersection, intersection, intersects, intersects, isEmpty, isSimple, overlaps, overlaps, relate, relate, srid, symDifference, symDifference, touches, touches, transform, union, union, within, within

Methods inherited from class com.mysema.query.types.expr.SimpleExpression

as, as, count, countDistinct, eqAll, eqAny, in, in, in, isNotNull, isNull, ne, ne, neAll, neAny, notIn, notIn, notIn, nullif, nullif, when, when

Methods inherited from class com.mysema.query.types.expr.DslExpression

equals, getType, hashCode, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.mysema.query.types.Expression

accept

Constructor Detail

SurfaceExpression

public SurfaceExpression(Expression<T> mixin)

Method Detail

area

public NumberExpression<Double> area()

The area of this Surface, as measured in the spatial reference system of this Surface.

Returns:

centroid

public PointExpression<org.geolatte.geom.Point> centroid()

The mathematical centroid for this Surface as a Point. The result is not guaranteed to be on this Surface.

Returns:

pointOnSurface

public PointExpression<org.geolatte.geom.Point> pointOnSurface()

A Point guaranteed to be on this Surface.

Returns: