SDK
SDK Java v2.x
1

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pfadd #

Adds elements to an HyperLogLog (opens new window) data structure.

[Redis documentation] (opens new window)


pfadd(key, elements, [options], [callback]) #

Arguments Type Description
key string Key identifier
elements array Elements to add to the HyperLogLog structure
options JSON Object Optional parameters
callback function Callback

Options #

Option Type Description Default
queuable boolean Make this request queuable or not true

Return Value #

Returns the MemoryStorage object to allow chaining.


Callback Response #

Returns a boolean specifying if the operation was successful or not.

Usage #

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String[] elements = new String[]{"foo", "bar", "baz"};
kuzzle.memoryStorage.pfadd("key", elements, new ResponseListener<Boolean>() {
  @Override
  public void onSuccess(Boolean status) {
    // callback called once the action has completed
  }
  @Override
  public void onError(JSONObject error) {
  }
});

Callback response:

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true