@Override
public BigInteger randomHash() {
float lat =
random.nextFloat()
* Geohash.LATITUDE_RANGE
* (random.nextBoolean() ? 1 : -1); // randomly negate
float lon = random.nextFloat() * Geohash.LONGITUDE_RANGE * (random.nextBoolean() ? 1 : -1);
String hash = Geohash.encode(lat, lon, PRECISION);
return BigInteger.valueOf(Geohash.hashToLong(hash));
}
@Override
public BigInteger hash(SpatialProperties spatialProps) throws HashException {
String hash = "";
if (spatialProps.hasRange()) {
hash = Geohash.encode(spatialProps.getSpatialRange(), PRECISION);
} else {
hash = Geohash.encode(spatialProps.getCoordinates(), PRECISION);
}
return BigInteger.valueOf(Geohash.hashToLong(hash));
}