SDK
SDK Java v2.x
1

You are currently looking at the documentation of a previous version of Kuzzle. We strongly recommend that you use the latest version. You can also use the version selector in the top menu.

bitcount #

Counts the number of set bits (population counting) in a string.

[Redis documentation]


bitcount(key, [options], callback) #

ArgumentsTypeDescription
keystringKey identifier
optionsJSON ObjectOptional parameters
callbackfunctionCallback

Options #

OptionTypeDescriptionDefault
endintEnding offset-1
queuablebooleanMake this request queuable or nottrue
startintStarting offset0

Callback Response #

Return an integer containing the count of set bits.

Usage #

kuzzle.memoryStorage.bitcount("key", new ResponseListener<Long>() {
  @Override
  public void onSuccess(int count) {
    // callback called once the action has completed
  }
  @Override
  public void onError(JSONObject error) {
  }
});

Callback response:

21