// http://docs.mongodb.org/manual/reference/operator/near/#op._S_near
@Override
public Filter createFilter(final List<String> path, DBObject refExpression) {
LOG.debug("path:{}, refExp:{}", path, refExpression);
Number maxDistance = typecast(MAX_DISTANCE, refExpression.get(MAX_DISTANCE), Number.class);
final List<LatLong> coordinates;
if (refExpression.get(command) instanceof BasicDBList) {
coordinates =
GeoUtil.latLon(
Collections.singletonList(command),
refExpression); // typecast(command, refExpression.get(command), List.class);
} else {
DBObject dbObject = typecast(command, refExpression.get(command), DBObject.class);
coordinates = GeoUtil.latLon(Arrays.asList("$geometry", "coordinates"), dbObject);
}
return createNearFilter(path, coordinates, maxDistance, spherical);
}
// http://docs.mongodb.org/manual/reference/operator/query/geoWithin/
@Override
public Filter createFilter(final List<String> path, DBObject refExpression) {
LOG.info("geoWithin path:{}, refExp:{}", path, refExpression);
Geometry geometry =
GeoUtil.getGeometry(
typecast("$geoWithin", refExpression.get("$geoWithin"), DBObject.class));
return createGeowithinFilter(path, geometry);
}
// @VisibleForTesting
protected int compareTo(Object c1, Object c2) { // Object to handle MinKey/MaxKey
Object cc1 = c1;
Object cc2 = c2;
Class<?> clazz1 = c1 == null ? Null.class : c1.getClass();
Class<?> clazz2 = c2 == null ? Null.class : c2.getClass();
// Not comparable for MinKey/MaxKey
if (!clazz1.equals(clazz2) || !(cc1 instanceof Comparable)) {
boolean checkTypes = true;
if (cc1 instanceof Number) {
if (cc2 instanceof Number) {
cc1 = new BigDecimal(cc1.toString());
cc2 = new BigDecimal(cc2.toString());
checkTypes = false;
}
}
if (cc1 instanceof Binary) {
cc1 = convertFrom((Binary) cc1);
checkTypes = false;
}
if (cc2 instanceof Binary) {
cc2 = convertFrom((Binary) cc2);
checkTypes = false;
}
if (cc1 instanceof byte[]) {
cc1 = convertFrom((byte[]) cc1);
checkTypes = false;
}
if (cc2 instanceof byte[]) {
cc2 = convertFrom((byte[]) cc2);
checkTypes = false;
}
// if (cc1 instanceof ObjectId && cc2 instanceof String && ObjectId.isValid((String)
// cc2)) {
// cc2 = ObjectId.massageToObjectId(cc2);
// checkTypes = false;
// }
// if (cc2 instanceof ObjectId && cc1 instanceof String && ObjectId.isValid((String)
// cc1)) {
// cc1 = ObjectId.massageToObjectId(cc2);
// checkTypes = false;
// }
LatLong ll1 = GeoUtil.getLatLong(cc1);
if (ll1 != null) {
LatLong ll2 = GeoUtil.getLatLong(cc2);
if (ll2 != null) {
cc1 = ll1;
cc2 = ll2;
checkTypes = false;
}
}
if (cc1 instanceof DBRefBase && cc2 instanceof DBRefBase) {
DBRefBase a1 = (DBRefBase) cc1;
DBRefBase a2 = (DBRefBase) cc2;
if (a1.equals(a2)) {
return 0;
}
// Not the idea of the year..
cc1 = a1.toString();
cc2 = a2.toString();
checkTypes = false;
}
if (checkTypes) {
Integer type1 = CLASS_TO_WEIGHT.get(clazz1);
Integer type2 = CLASS_TO_WEIGHT.get(clazz2);
if (type1 != null && type2 != null) {
cc1 = type1;
cc2 = type2;
} else {
throw new FongoException(
"Don't know how to compare "
+ cc1.getClass()
+ " and "
+ cc2.getClass()
+ " values are : "
+ c1
+ " vs "
+ c2);
}
}
}
// LOG.info("\tcompareTo() cc1:[{}], cc2:[{}] => {}", cc1, cc2, ((Comparable)
// cc1).compareTo(cc2));
return ((Comparable) cc1).compareTo(cc2);
}