SDK
SDK Java v2.x
1

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getset #

Sets a new value for a key and returns its previous value.

[Redis documentation] (opens new window)


getset(key, value, [options], [callback]) #

Arguments Type Description
key string Key identifier
value string Key's new value
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 the key's previous value.

Usage #

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

Callback response:

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"value"