hexists #

Checks if a field exists in a hash.

hexists(key, field, [options], callback) #

Arguments	Type	Description
`key`	string	Key identifier
`field`	string	Field name
`options`	JSON Object	Optional parameters
`callback`	function	Callback

Options #

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

Callback Response #

A boolean value specifying if the field exists or not.

Usage #

kuzzle.memoryStorage.hexists("key", "field1", new ResponseListener<Boolean>() {
  @Override
  public void onSuccess(Boolean exists) {
    // callback called once the action has completed
  }
  @Override
  public void onError(JSONObject error) {
  }
});

Callback response:

true

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