decr #

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

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

Arguments	Type	Description
`key`	string	Key identifier
`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 an integer containing the updated key value.

Usage #

kuzzle.memoryStorage.decr("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:

-1

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