public long readZLong() throws IOException {
long accumulator = 0L;
int i = 0;
long currentByte;
while (((currentByte = readByte()) & 0x80L) != 0) {
accumulator |= (currentByte & 0x7F) << i;
i += 7;
if (i > 63) {
throw new IOException("variable-length stream is too long");
}
}
return BitUtil.zigZagDecode(accumulator | (currentByte << i));
}
public GeoPoint resetFromGeoHash(long geohashLong) {
final int level = (int) (12 - (geohashLong & 15));
return this.resetFromIndexHash(BitUtil.flipFlop((geohashLong >>> 4) << ((level * 5) + 2)));
}