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/*
* Copyright 2015, The Querydsl Team (http://www.querydsl.com/team)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.mysema.query.spatial;
import javax.annotation.Nullable;
import org.geolatte.geom.Geometry;
import com.mysema.query.types.ConstantImpl;
import com.mysema.query.types.Expression;
import com.mysema.query.types.expr.BooleanExpression;
import com.mysema.query.types.expr.BooleanOperation;
import com.mysema.query.types.expr.NumberExpression;
import com.mysema.query.types.expr.NumberOperation;
import com.mysema.query.types.expr.SimpleExpression;
import com.mysema.query.types.expr.SimpleOperation;
import com.mysema.query.types.expr.StringExpression;
import com.mysema.query.types.expr.StringOperation;
/**
* Geometry is the root class of the hierarchy. Geometry is an abstract (non-instantiable) class.
*
* @author tiwe
*
* @param
*/
public abstract class GeometryExpression extends SimpleExpression {
private static final long serialVersionUID = -1183228394472681995L;
@Nullable
private volatile NumberExpression dimension, coordinateDimension, spatialDimension, srid;
@Nullable
private volatile StringExpression geometryType;
@Nullable
private volatile StringExpression text;
@Nullable
private volatile GeometryExpression envelope, boundary, convexHull;
@Nullable
private volatile BooleanExpression empty, simple, threed, measured;
private volatile SimpleExpression binary;
public GeometryExpression(Expression mixin) {
super(mixin);
}
/**
* The inherent dimension of this geometric object, which must be less than or equal
* to the coordinate dimension. In non-homogeneous collections, this will return the largest topological
* dimension of the contained objects.
*
* @return
*/
public NumberExpression dimension() {
if (dimension == null) {
dimension = NumberOperation.create(Integer.class, SpatialOps.DIMENSION, mixin);
}
return dimension;
}
/**
* Returns the name of the instantiable subtype of Geometry of which this
* geometric object is an instantiable member. The name of the subtype of Geometry is returned as a string.
*
* @return
*/
public StringExpression geometryType() {
if (geometryType == null) {
geometryType = StringOperation.create(SpatialOps.GEOMETRY_TYPE, mixin);
}
return geometryType;
}
/**
* Returns the Spatial Reference System ID for this geometric object. This will normally be a
* foreign key to an index of reference systems stored in either the same or some other datastore.
*
* @return
*/
public NumberExpression srid() {
if (srid == null) {
srid = NumberOperation.create(Integer.class, SpatialOps.SRID, mixin);
}
return srid;
}
/**
* The minimum bounding box for this Geometry, returned as a Geometry. The
* polygon is defined by the corner points of the bounding box [(MINX, MINY), (MAXX, MINY), (MAXX, MAXY),
* (MINX, MAXY), (MINX, MINY)]. Minimums for Z and M may be added. The simplest representation of an
* Envelope is as two direct positions, one containing all the minimums, and another all the maximums. In some
* cases, this coordinate will be outside the range of validity for the Spatial Reference System.
*
* @return
*/
public GeometryExpression envelope() {
if (envelope == null) {
envelope = GeometryOperation.create(Geometry.class, SpatialOps.ENVELOPE, mixin);
}
return envelope;
}
/**
* Exports this geometric object to a specific Well-known Text Representation of Geometry.
*
* @return
*/
public StringExpression asText() {
if (text == null) {
text = StringOperation.create(SpatialOps.AS_TEXT, mixin);
}
return text;
}
/**
* Exports this geometric object to a specific Well-known Binary Representation of
* Geometry.
*
* @return
*/
public SimpleExpression asBinary() {
if (binary == null) {
binary = SimpleOperation.create(byte[].class, SpatialOps.AS_BINARY, mixin);
}
return binary;
}
/**
* Returns 1 (TRUE) if this geometric object is the empty Geometry. If true, then this
* geometric object represents the empty point set ∅ for the coordinate space.
*
* @return
*/
public BooleanExpression isEmpty() {
if (empty == null) {
empty = BooleanOperation.create(SpatialOps.IS_EMPTY, mixin);
}
return empty;
}
/**
* Returns 1 (TRUE) if this geometric object has no anomalous geometric points, such
* as self intersection or self tangency. The description of each instantiable geometric class
* will include the specific conditions that cause an instance of that class to be classified as not simple.
*
* @return
*/
public BooleanExpression isSimple() {
if (simple == null) {
simple = BooleanOperation.create(SpatialOps.IS_SIMPLE, mixin);
}
return simple;
}
/**
* Returns the closure of the combinatorial boundary of this geometric object
*
* @return
*/
public GeometryExpression boundary() {
if (boundary == null) {
boundary = GeometryOperation.create(Geometry.class, SpatialOps.BOUNDARY, mixin);
}
return boundary;
}
// query
/* (non-Javadoc)
* @see com.mysema.query.types.expr.SimpleExpression#eq(java.lang.Object)
*/
@Override
public BooleanExpression eq(Geometry right) {
return eq(ConstantImpl.create(right));
}
/* (non-Javadoc)
* @see com.mysema.query.types.expr.SimpleExpression#eq(com.mysema.query.types.Expression)
*/
@Override
public BooleanExpression eq(Expression right) {
return BooleanOperation.create(SpatialOps.EQUALS, mixin, right);
}
/**
* Returns 1 (TRUE) if this geometric object is “spatially disjoint” from anotherGeometry.
*
* @param geometry
* @return
*/
public BooleanExpression disjoint(Geometry geometry) {
return disjoint(ConstantImpl.create(geometry));
}
/**
* Returns 1 (TRUE) if this geometric object is “spatially disjoint” from anotherGeometry.
*
* @param geometry
* @return
*/
public BooleanExpression disjoint(Expression geometry) {
return BooleanOperation.create(SpatialOps.DISJOINT, mixin, geometry);
}
/**
* Returns 1 (TRUE) if this geometric object “spatially intersects” anotherGeometry.
*
* @param geometry
* @return
*/
public BooleanExpression intersects(Geometry geometry) {
return intersects(ConstantImpl.create(geometry));
}
/**
* Returns 1 (TRUE) if this geometric object “spatially intersects” anotherGeometry.
*
* @param geometry
* @return
*/
public BooleanExpression intersects(Expression geometry) {
return BooleanOperation.create(SpatialOps.INTERSECTS, mixin, geometry);
}
/**
* Returns 1 (TRUE) if this geometric object “spatially touches” anotherGeometry.
*
* @param geometry
* @return
*/
public BooleanExpression touches(Geometry geometry) {
return touches(ConstantImpl.create(geometry));
}
/**
* Returns 1 (TRUE) if this geometric object “spatially touches” anotherGeometry.
*
* @param geometry
* @return
*/
public BooleanExpression touches(Expression geometry) {
return BooleanOperation.create(SpatialOps.TOUCHES, mixin, geometry);
}
/**
* Returns 1 (TRUE) if this geometric object “spatially crosses’ anotherGeometry.
*
* @param geometry
* @return
*/
public BooleanExpression crosses(Geometry geometry) {
return crosses(ConstantImpl.create(geometry));
}
/**
* Returns 1 (TRUE) if this geometric object “spatially crosses’ anotherGeometry.
*
* @param geometry
* @return
*/
public BooleanExpression crosses(Expression geometry) {
return BooleanOperation.create(SpatialOps.CROSSES, mixin, geometry);
}
/**
* Returns 1 (TRUE) if this geometric object is “spatially within” anotherGeometry.
*
* @param geometry
* @return
*/
public BooleanExpression within(Geometry geometry) {
return within(ConstantImpl.create(geometry));
}
/**
* Returns 1 (TRUE) if this geometric object is “spatially within” anotherGeometry.
*
* @param geometry
* @return
*/
public BooleanExpression within(Expression geometry) {
return BooleanOperation.create(SpatialOps.WITHIN, mixin, geometry);
}
/**
* Returns 1 (TRUE) if this geometric object “spatially contains” anotherGeometry.
*
* @param geometry
* @return
*/
public BooleanExpression contains(Geometry geometry) {
return contains(ConstantImpl.create(geometry));
}
/**
* Returns 1 (TRUE) if this geometric object “spatially contains” anotherGeometry.
*
* @param geometry
* @return
*/
public BooleanExpression contains(Expression geometry) {
return BooleanOperation.create(SpatialOps.CONTAINS, mixin, geometry);
}
/**
* Returns 1 (TRUE) if this geometric object “spatially overlaps” anotherGeometry.
*
* @param geometry
* @return
*/
public BooleanExpression overlaps(Geometry geometry) {
return overlaps(ConstantImpl.create(geometry));
}
/**
* Returns 1 (TRUE) if this geometric object “spatially overlaps” anotherGeometry.
*
* @param geometry
* @return
*/
public BooleanExpression overlaps(Expression geometry) {
return BooleanOperation.create(SpatialOps.OVERLAPS, mixin, geometry);
}
/**
* Returns 1 (TRUE) if this geometric object is spatially related to anotherGeometry by testing
* for intersections between the interior, boundary and exterior of the two geometric objects
* as specified by the values in the intersectionPatternMatrix. This returns FALSE if all the
* tested intersections are empty except exterior (this) intersect exterior (another).
*
* @param geometry
* @param matrix
* @return
*/
public BooleanExpression relate(Geometry geometry, String matrix) {
return relate(ConstantImpl.create(geometry), matrix);
}
/**
* Returns 1 (TRUE) if this geometric object is spatially related to anotherGeometry by testing
* for intersections between the interior, boundary and exterior of the two geometric objects
* as specified by the values in the intersectionPatternMatrix. This returns FALSE if all the
* tested intersections are empty except exterior (this) intersect exterior (another).
*
* @param geometry
* @param matrix
* @return
*/
public BooleanExpression relate(Expression geometry, String matrix) {
return BooleanOperation.create(SpatialOps.RELATE, mixin, geometry, ConstantImpl.create(matrix));
}
// analysis
/**
* Returns the shortest distance between any two Points in the two geometric objects as
* calculated in the spatial reference system of this geometric object. Because the geometries
* are closed, it is possible to find a point on each geometric object involved, such that the
* distance between these 2 points is the returned distance between their geometric objects.
*
* @param geometry
* @return
*/
public NumberExpression distance(Geometry geometry) {
return distance(ConstantImpl.create(geometry));
}
/**
* Returns the shortest distance between any two Points in the two geometric objects as
* calculated in the spatial reference system of this geometric object. Because the geometries
* are closed, it is possible to find a point on each geometric object involved, such that the
* distance between these 2 points is the returned distance between their geometric objects.
*
* @param geometry
* @return
*/
public NumberExpression distance(Expression geometry) {
return NumberOperation.create(Double.class, SpatialOps.DISTANCE, mixin, geometry);
}
// TODO maybe move out
public NumberExpression distanceSphere(Expression geometry) {
return NumberOperation.create(Double.class, SpatialOps.DISTANCE_SPHERE, mixin, geometry);
}
// TODO maybe move out
public NumberExpression distanceSpheroid(Expression geometry) {
return NumberOperation.create(Double.class, SpatialOps.DISTANCE_SPHEROID, mixin, geometry);
}
/**
* Returns a geometric object that represents all Points whose distance from this geometric
* object is less than or equal to distance. Calculations are in the spatial reference system
* of this geometric object. Because of the limitations of linear interpolation, there will
* often be some relatively small error in this distance, but it should be near the resolution
* of the coordinates used.
*
* @param distance
* @return
*/
public GeometryExpression buffer(double distance) {
return GeometryOperation.create(Geometry.class, SpatialOps.BUFFER, mixin, ConstantImpl.create(distance));
}
/**
* Returns a geometric object that represents the convex hull of this geometric object.
* Convex hulls, being dependent on straight lines, can be accurately represented in linear
* interpolations for any geometry restricted to linear interpolations.
*
* @return
*/
public GeometryExpression convexHull() {
if (convexHull == null) {
convexHull = GeometryOperation.create(Geometry.class, SpatialOps.CONVEXHULL, mixin);
}
return convexHull;
}
/**
* Returns a geometric object that represents the Point set intersection of this geometric
* object with anotherGeometry.
*
* @param geometry
* @return
*/
public GeometryExpression intersection(Geometry geometry) {
return intersection(ConstantImpl.create(geometry));
}
/**
* Returns a geometric object that represents the Point set intersection of this geometric
* object with anotherGeometry.
*
* @param geometry
* @return
*/
public GeometryExpression intersection(Expression geometry) {
return GeometryOperation.create(Geometry.class, SpatialOps.INTERSECTION, mixin, geometry);
}
/**
* Returns a geometric object that represents the Point set
* union of this geometric object with anotherGeometry.
*
* @param geometry
* @return
*/
public GeometryExpression union(Geometry geometry) {
return union(ConstantImpl.create(geometry));
}
/**
* Returns a geometric object that represents the Point set
* union of this geometric object with anotherGeometry.
*
* @param geometry
* @return
*/
public GeometryExpression union(Expression geometry) {
return GeometryOperation.create(Geometry.class, SpatialOps.UNION, mixin, geometry);
}
/**
* Returns a geometric object that represents the Point
* set difference of this geometric object with anotherGeometry.
*
* @param geometry
* @return
*/
public GeometryExpression difference(Geometry geometry) {
return difference(ConstantImpl.create(geometry));
}
/**
* Returns a geometric object that represents the Point
* set difference of this geometric object with anotherGeometry.
*
* @param geometry
* @return
*/
public GeometryExpression difference(Expression geometry) {
return GeometryOperation.create(Geometry.class, SpatialOps.DIFFERENCE, mixin, geometry);
}
/**
* Returns a geometric object that represents the
* Point set symmetric difference of this geometric object with anotherGeometry.
*
* @param geometry
* @return
*/
public GeometryExpression symDifference(Geometry geometry) {
return symDifference(ConstantImpl.create(geometry));
}
/**
* Returns a geometric object that represents the
* Point set symmetric difference of this geometric object with anotherGeometry.
*
* @param geometry
* @return
*/
public GeometryExpression symDifference(Expression geometry) {
return GeometryOperation.create(Geometry.class, SpatialOps.SYMDIFFERENCE, mixin, geometry);
}
public GeometryExpression transform(int srid) {
return GeometryOperation.create(Geometry.class, SpatialOps.TRANSFORM, mixin, ConstantImpl.create(srid));
}
}
