第4章 NioEventLoopGroup实例对象创建时序图

SingleThreadEventLoop

NioEventLoop

this(0)

NioEventLoopGroup

executor = new ThreadPerTaskExecutor(newDefaultThreadFactory())

MultithreadEventLoopGroup

MultithreadEventExecutorGroup

this.parent = parent

SingleThreadEventExecutor

super(parent)

children = new EventExecutor[nThreads]

AbstractScheduledEventExecutor

provider = selectorProvider;final SelectorTuple selectorTuple = openSelector();selector = selectorTuple.selector;unwrappedSelector = selectorTuple.unwrappedSelector;selectStrategy = strategy;

chooser = chooserFactory.newChooser(children);for (EventExecutor e: children) {    e.terminationFuture().addListener(terminationListener);}

AbstractEventExecutor