SDK
SDK Java v2.x
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bitcount #

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

[Redis documentation]


bitcount(key, [options], callback) #

Arguments Type Description
key string Key identifier
options JSON Object Optional parameters
callback function Callback

Options #

Option Type Description Default
end int Ending offset -1
queuable boolean Make this request queuable or not true
start int Starting offset 0

Callback Response #

Return an integer containing the count of set bits.

Usage #

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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:

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