incr #

Increments the number stored at key by 1. If the key does not exist, it is set to 0 before performing the operation.

[Redis documentation]

incr(key, [options], [callback]) #

Options #

Return Value #

Returns the MemoryStorage object to allow chaining.

Callback Response #

Returns an integer containing the updated key value.

Usage #

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

Callback response:

42