superE> comparator) {if(initialCapacity <1)thrownew IllegalArgumentException();this.lock = new ReentrantLock();
publicvoidput(E e)throwsInterruptedException {if(e ==null)thrownewNullPointerException();// 如果你纠结这里为什么是 -1,可以看看 offer 方法。这就是个标识成功、失败的标志而已。intc=-1; Node<E> node =newNode(e);finalReentrantLockputLock=this.putLock;finalAtomicIntegercount=this.count;// 必须要获...
public void put(E e) { // 直接调用 offer 方法,因为前面我们也说了,在这里,put 方法不会阻塞 offer(e); } public boolean offer(E e) { if (e == null) throw new NullPointerException(); final ReentrantLock lock = this.lock; // 首先获取到独占锁 lock.lock(); int n, cap; Object[] ...
// 写入值 public void put(E o) throws InterruptedException { if (o == null) throw new NullPointerException(); if (transferer.transfer(o, false, 0) == null) { // 1 Thread.interrupted(); throw new InterruptedException(); } } // 读取值并移除 public E take() throws InterruptedException...
| use.timeout.exception | Instruct the client to throw TimeoutException instead of CancellationException | | use.dispatcher.with.executor | Instruct dispatchers to dispatch all messages as a task | AuthHandler and JWT Credentials You can manually create the AuthHandler and set it in the options...
ArrayBlockingQueue和PriorityBlockingQueue使用较少,一般使用LinkedBlockingQueue和Synchronous。线程池的排队策略与BlockingQueue有关。 threadFactory:线程工厂,主要用来创建线程; handler:表示当拒绝处理任务时的策略,有以下四种取值: ThreadPoolExecutor.AbortPolicy:丢弃任务并抛出RejectedExecutionException异常。 ThreadPoolExecuto...
if (!BlockException.isBlockException(ex)) { Tracer.trace(ex); } //此处就是通过FeignClient注解配置的fallback或者fallbackFactory进行创建的FallbackFactory对象,也就是熔断的处理 if (fallbackFactory != null) { try { Object fallbackResult = fallbackMethodMap.get(method) ...
publicIntegercall()throwsException{ System.out.println("come in Callable"); return1024; } } 最后我们需要做的就是通过 Thread 线程, 将 MyThread2 实现 Callable 接口的类包装起来 这里需要用到的是 FutureTask 类,他实现了 Runnable 接口,并且还需要传递一个实现 Callable 接口的类作为构造函数 ...
Closes the connection in a finally block, automatically closing the session and MessageConsumer.The receive method can be used in several ways to perform a synchronous receive. If you specify no arguments or an argument of 0, the method blocks indefinitely until a message arrives:Message m = co...
void onException (JMSException exception) In the event of a problem with the connection, the message broker will call this method, passing an exception object identifying the nature of the problem. A connection’sgetMetaDatamethod returns aConnectionMetaDataobject, which in turn provides methods for...