initialize method
Initializes instance.
Implementation
@override
Future<bool> initialize(DockerCommander dockerCommander) async {
var initialized = _initialized;
if (initialized != null) return initialized;
_dockerCommander = dockerCommander;
return _initializing ??= _httpClient.getJSON('initialize').then((ret) {
var ok = ret as bool?;
ok ??= false;
_initialized = ok;
_initializing = null;
return ok;
});
}