本文整理了Java中java.util.concurrent.LinkedBlockingQueue.dequeue()方法的一些代码示例，展示了LinkedBlockingQueue.dequeue()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。LinkedBlockingQueue.dequeue()方法的具体详情如下：
包路径：java.util.concurrent.LinkedBlockingQueue
类名称：LinkedBlockingQueue
方法名：dequeue

LinkedBlockingQueue.dequeue介绍

[英]Removes a node from head of queue.
[中]从队列头移除节点。

代码示例

代码示例来源：origin: robovm/robovm

public E take() throws InterruptedException {
  E x;
  int c = -1;
  final AtomicInteger count = this.count;
  final ReentrantLock takeLock = this.takeLock;
  takeLock.lockInterruptibly();
  try {
    while (count.get() == 0) {
      notEmpty.await();
    }
    x = dequeue();
    c = count.getAndDecrement();
    if (c > 1)
      notEmpty.signal();
  } finally {
    takeLock.unlock();
  }
  if (c == capacity)
    signalNotFull();
  return x;
}

代码示例来源：origin: robovm/robovm

public E poll() {
  final AtomicInteger count = this.count;
  if (count.get() == 0)
    return null;
  E x = null;
  int c = -1;
  final ReentrantLock takeLock = this.takeLock;
  takeLock.lock();
  try {
    if (count.get() > 0) {
      x = dequeue();
      c = count.getAndDecrement();
      if (c > 1)
        notEmpty.signal();
    }
  } finally {
    takeLock.unlock();
  }
  if (c == capacity)
    signalNotFull();
  return x;
}

代码示例来源：origin: robovm/robovm

public E poll(long timeout, TimeUnit unit) throws InterruptedException {
  E x = null;
  int c = -1;
  long nanos = unit.toNanos(timeout);
  final AtomicInteger count = this.count;
  final ReentrantLock takeLock = this.takeLock;
  takeLock.lockInterruptibly();
  try {
    while (count.get() == 0) {
      if (nanos <= 0)
        return null;
      nanos = notEmpty.awaitNanos(nanos);
    }
    x = dequeue();
    c = count.getAndDecrement();
    if (c > 1)
      notEmpty.signal();
  } finally {
    takeLock.unlock();
  }
  if (c == capacity)
    signalNotFull();
  return x;
}

代码示例来源：origin: MobiVM/robovm

public E take() throws InterruptedException {
  E x;
  int c = -1;
  final AtomicInteger count = this.count;
  final ReentrantLock takeLock = this.takeLock;
  takeLock.lockInterruptibly();
  try {
    while (count.get() == 0) {
      notEmpty.await();
    }
    x = dequeue();
    c = count.getAndDecrement();
    if (c > 1)
      notEmpty.signal();
  } finally {
    takeLock.unlock();
  }
  if (c == capacity)
    signalNotFull();
  return x;
}

代码示例来源：origin: MobiVM/robovm

public E poll() {
  final AtomicInteger count = this.count;
  if (count.get() == 0)
    return null;
  E x = null;
  int c = -1;
  final ReentrantLock takeLock = this.takeLock;
  takeLock.lock();
  try {
    if (count.get() > 0) {
      x = dequeue();
      c = count.getAndDecrement();
      if (c > 1)
        notEmpty.signal();
    }
  } finally {
    takeLock.unlock();
  }
  if (c == capacity)
    signalNotFull();
  return x;
}

代码示例来源：origin: ibinti/bugvm

public E poll() {
  final AtomicInteger count = this.count;
  if (count.get() == 0)
    return null;
  E x = null;
  int c = -1;
  final ReentrantLock takeLock = this.takeLock;
  takeLock.lock();
  try {
    if (count.get() > 0) {
      x = dequeue();
      c = count.getAndDecrement();
      if (c > 1)
        notEmpty.signal();
    }
  } finally {
    takeLock.unlock();
  }
  if (c == capacity)
    signalNotFull();
  return x;
}

代码示例来源：origin: ibinti/bugvm

public E take() throws InterruptedException {
  E x;
  int c = -1;
  final AtomicInteger count = this.count;
  final ReentrantLock takeLock = this.takeLock;
  takeLock.lockInterruptibly();
  try {
    while (count.get() == 0) {
      notEmpty.await();
    }
    x = dequeue();
    c = count.getAndDecrement();
    if (c > 1)
      notEmpty.signal();
  } finally {
    takeLock.unlock();
  }
  if (c == capacity)
    signalNotFull();
  return x;
}

代码示例来源：origin: org.apidesign.bck2brwsr/emul

public E take() throws InterruptedException {
  E x;
  int c = -1;
  final AtomicInteger count = this.count;
  final ReentrantLock takeLock = this.takeLock;
  takeLock.lockInterruptibly();
  try {
    while (count.get() == 0) {
      notEmpty.await();
    }
    x = dequeue();
    c = count.getAndDecrement();
    if (c > 1)
      notEmpty.signal();
  } finally {
    takeLock.unlock();
  }
  if (c == capacity)
    signalNotFull();
  return x;
}

代码示例来源：origin: com.bugvm/bugvm-rt

public E take() throws InterruptedException {
  E x;
  int c = -1;
  final AtomicInteger count = this.count;
  final ReentrantLock takeLock = this.takeLock;
  takeLock.lockInterruptibly();
  try {
    while (count.get() == 0) {
      notEmpty.await();
    }
    x = dequeue();
    c = count.getAndDecrement();
    if (c > 1)
      notEmpty.signal();
  } finally {
    takeLock.unlock();
  }
  if (c == capacity)
    signalNotFull();
  return x;
}

代码示例来源：origin: org.codehaus.jsr166-mirror/jsr166

public E take() throws InterruptedException {
  E x;
  int c = -1;
  final AtomicInteger count = this.count;
  final ReentrantLock takeLock = this.takeLock;
  takeLock.lockInterruptibly();
  try {
    while (count.get() == 0) {
      notEmpty.await();
    }
    x = dequeue();
    c = count.getAndDecrement();
    if (c > 1)
      notEmpty.signal();
  } finally {
    takeLock.unlock();
  }
  if (c == capacity)
    signalNotFull();
  return x;
}

代码示例来源：origin: com.mobidevelop.robovm/robovm-rt

public E poll() {
  final AtomicInteger count = this.count;
  if (count.get() == 0)
    return null;
  E x = null;
  int c = -1;
  final ReentrantLock takeLock = this.takeLock;
  takeLock.lock();
  try {
    if (count.get() > 0) {
      x = dequeue();
      c = count.getAndDecrement();
      if (c > 1)
        notEmpty.signal();
    }
  } finally {
    takeLock.unlock();
  }
  if (c == capacity)
    signalNotFull();
  return x;
}

代码示例来源：origin: jtulach/bck2brwsr

public E take() throws InterruptedException {
  E x;
  int c = -1;
  final AtomicInteger count = this.count;
  final ReentrantLock takeLock = this.takeLock;
  takeLock.lockInterruptibly();
  try {
    while (count.get() == 0) {
      notEmpty.await();
    }
    x = dequeue();
    c = count.getAndDecrement();
    if (c > 1)
      notEmpty.signal();
  } finally {
    takeLock.unlock();
  }
  if (c == capacity)
    signalNotFull();
  return x;
}

代码示例来源：origin: com.gluonhq/robovm-rt

public E poll() {
  final AtomicInteger count = this.count;
  if (count.get() == 0)
    return null;
  E x = null;
  int c = -1;
  final ReentrantLock takeLock = this.takeLock;
  takeLock.lock();
  try {
    if (count.get() > 0) {
      x = dequeue();
      c = count.getAndDecrement();
      if (c > 1)
        notEmpty.signal();
    }
  } finally {
    takeLock.unlock();
  }
  if (c == capacity)
    signalNotFull();
  return x;
}

代码示例来源：origin: com.mobidevelop.robovm/robovm-rt

public E take() throws InterruptedException {
  E x;
  int c = -1;
  final AtomicInteger count = this.count;
  final ReentrantLock takeLock = this.takeLock;
  takeLock.lockInterruptibly();
  try {
    while (count.get() == 0) {
      notEmpty.await();
    }
    x = dequeue();
    c = count.getAndDecrement();
    if (c > 1)
      notEmpty.signal();
  } finally {
    takeLock.unlock();
  }
  if (c == capacity)
    signalNotFull();
  return x;
}

代码示例来源：origin: com.gluonhq/robovm-rt

public E take() throws InterruptedException {
  E x;
  int c = -1;
  final AtomicInteger count = this.count;
  final ReentrantLock takeLock = this.takeLock;
  takeLock.lockInterruptibly();
  try {
    while (count.get() == 0) {
      notEmpty.await();
    }
    x = dequeue();
    c = count.getAndDecrement();
    if (c > 1)
      notEmpty.signal();
  } finally {
    takeLock.unlock();
  }
  if (c == capacity)
    signalNotFull();
  return x;
}

代码示例来源：origin: org.codehaus.jsr166-mirror/jsr166

public E poll() {
  final AtomicInteger count = this.count;
  if (count.get() == 0)
    return null;
  E x = null;
  int c = -1;
  final ReentrantLock takeLock = this.takeLock;
  takeLock.lock();
  try {
    if (count.get() > 0) {
      x = dequeue();
      c = count.getAndDecrement();
      if (c > 1)
        notEmpty.signal();
    }
  } finally {
    takeLock.unlock();
  }
  if (c == capacity)
    signalNotFull();
  return x;
}

代码示例来源：origin: MobiVM/robovm

public E poll(long timeout, TimeUnit unit) throws InterruptedException {
  E x = null;
  int c = -1;
  long nanos = unit.toNanos(timeout);
  final AtomicInteger count = this.count;
  final ReentrantLock takeLock = this.takeLock;
  takeLock.lockInterruptibly();
  try {
    while (count.get() == 0) {
      if (nanos <= 0)
        return null;
      nanos = notEmpty.awaitNanos(nanos);
    }
    x = dequeue();
    c = count.getAndDecrement();
    if (c > 1)
      notEmpty.signal();
  } finally {
    takeLock.unlock();
  }
  if (c == capacity)
    signalNotFull();
  return x;
}

代码示例来源：origin: org.apidesign.bck2brwsr/emul

public E poll() {
  final AtomicInteger count = this.count;
  if (count.get() == 0)
    return null;
  E x = null;
  int c = -1;
  final ReentrantLock takeLock = this.takeLock;
  takeLock.lock();
  try {
    if (count.get() > 0) {
      x = dequeue();
      c = count.getAndDecrement();
      if (c > 1)
        notEmpty.signal();
    }
  } finally {
    takeLock.unlock();
  }
  if (c == capacity)
    signalNotFull();
  return x;
}

代码示例来源：origin: jtulach/bck2brwsr

public E poll() {
  final AtomicInteger count = this.count;
  if (count.get() == 0)
    return null;
  E x = null;
  int c = -1;
  final ReentrantLock takeLock = this.takeLock;
  takeLock.lock();
  try {
    if (count.get() > 0) {
      x = dequeue();
      c = count.getAndDecrement();
      if (c > 1)
        notEmpty.signal();
    }
  } finally {
    takeLock.unlock();
  }
  if (c == capacity)
    signalNotFull();
  return x;
}

代码示例来源：origin: com.bugvm/bugvm-rt

public E poll() {
  final AtomicInteger count = this.count;
  if (count.get() == 0)
    return null;
  E x = null;
  int c = -1;
  final ReentrantLock takeLock = this.takeLock;
  takeLock.lock();
  try {
    if (count.get() > 0) {
      x = dequeue();
      c = count.getAndDecrement();
      if (c > 1)
        notEmpty.signal();
    }
  } finally {
    takeLock.unlock();
  }
  if (c == capacity)
    signalNotFull();
  return x;
}