queryutils.h

/*    Copyright 2014 MongoDB Inc.
 *
 *    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.
 */
 
#pragma once
 
#include "mongo/client/export_macros.h"
#include "mongo/db/jsobj.h"
#include "mongo/geo/boundingbox.h"
#include "mongo/geo/constants.h"
#include "mongo/geo/geoobj.h"
 
namespace mongo {
namespace geo {
 
template <typename TCoordinates>
inline BSONObj GEOQUERY(const char* op, const GeoObj<TCoordinates>& geoObj) {
    return BSON(op << BSON("$geometry" << geoObj.toBSON()));
}
 
template <typename TCoordinates>
inline BSONObj WITHINQUERY(const GeoObj<TCoordinates>& geoObj) {
    return GEOQUERY("$geoWithin", geoObj);
}
 
template <typename TCoordinates>
inline BSONObj WITHINQUERY(const BoundingBox<TCoordinates>& geoBB) {
    return BSON("$geoWithin" << BSON("$box" << geoBB.toNestedBSONArray()));
}
 
template <typename TCoordinates>
inline BSONObj INTERSECTSQUERY(const GeoObj<TCoordinates>& geoObj) {
    return GEOQUERY("$geoIntersects", geoObj);
}
 
template <typename TCoordinates>
inline BSONObj NEARQUERY(const GeoObj<TCoordinates>& geoObj) {
    return GEOQUERY("$near", geoObj);
}
 
template <typename TCoordinates>
inline BSONObj NEARQUERY(const GeoObj<TCoordinates>& geoObj, double maxDistance) {
    uassert(0, "$maxDistance param to $near query must be non-negative.", maxDistance >= 0.0);
    return BSON("$near" << BSON("$geometry" << geoObj.toBSON() << "$maxDistance" << maxDistance));
}
 
template <typename TCoordinates>
inline BSONObj NEARSPHEREQUERY(const GeoObj<TCoordinates>& geoObj) {
    return GEOQUERY("$nearSphere", geoObj);
}
 
template <typename TCoordinates>
inline BSONObj NEARSPHEREQUERY(const GeoObj<TCoordinates>& geoObj, double maxDistance) {
    uassert(0, "$maxDistance param to $nearSphere query must be non-negative.", maxDistance >= 0.0);
    return BSON(
        "$nearSphere" << BSON("$geometry" << geoObj.toBSON() << "$maxDistance" << maxDistance));
}
 
}  // namespace geo
}  // namespace mongo