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

[Redis documentation]

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


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.


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

  public void onError(JSONObject error) {

Callback response:

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