public synchronized String getNextName() {
while (next >= maxAllocated) {
final int allocate = 100 + rand.nextInt(100);
try {
byte[] max = context.getZooReaderWriter().mutate(nextNamePath, null, ZooUtil.PRIVATE,
new ZooReaderWriter.Mutator() {
@Override
public byte[] mutate(byte[] currentValue) {
long l = Long.parseLong(new String(currentValue, UTF_8), Character.MAX_RADIX);
l += allocate;
return Long.toString(l, Character.MAX_RADIX).getBytes(UTF_8);
}
});
maxAllocated = Long.parseLong(new String(max, UTF_8), Character.MAX_RADIX);
next = maxAllocated - allocate;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
return new String(FastFormat.toZeroPaddedString(next++, 7, Character.MAX_RADIX, new byte[0]),
UTF_8);
}
}