/** Stops the cache and network dispatchers. */ public void stop() { if (mCacheDispatcher != null) { mCacheDispatcher.quit(); } for (int i = 0; i < mDispatchers.length; i++) { if (mDispatchers[i] != null) { mDispatchers[i].quit(); } } }
/** * Starts the dispatchers in this queue. * * <p>start 方法中,开启一个缓存调度线程CacheDispatcher和 n 个网络调度线程NetworkDispatcher,这里 n 默认为4, 存在优化的余地,比如可以根据 * CPU 核数以及网络类型计算更合适的并发数。 缓存调度线程不断的从缓存请求队列中取出 Request 去处理,网络调度线程不断的从网络请求队列中取出 Request 去处理。 */ public void start() { stop(); // Make sure any currently running dispatchers are stopped. // Create the cache dispatcher and start it. mCacheDispatcher = new CacheDispatcher(mCacheQueue, mNetworkQueue, mCache, mDelivery); mCacheDispatcher.start(); // Create network dispatchers (and corresponding threads) up to the pool size. for (int i = 0; i < mDispatchers.length; i++) { NetworkDispatcher networkDispatcher = new NetworkDispatcher(mNetworkQueue, mNetwork, mCache, mDelivery); mDispatchers[i] = networkDispatcher; networkDispatcher.start(); } }