How to use

pollNode

method

in

akka.dispatch.AbstractNodeQueue

/**
 * Pull one item from the queue’s tail if there is one.
 * 
 * Use this method only from the consumer thread!
 * 
 * @return element if there was one, or null if there was none
 */
public final T poll() {
  final Node<T> next = pollNode();
  if (next == null) return null;
  else {
   T value = next.value;
   next.value = null;
   return value;
  }
}

/**
 * Pull one item from the queue’s tail if there is one.
 * 
 * Use this method only from the consumer thread!
 * 
 * @return element if there was one, or null if there was none
 */
public final T poll() {
  final Node<T> next = pollNode();
  if (next == null) return null;
  else {
   T value = next.value;
   next.value = null;
   return value;
  }
}

/**
 * Pull one item from the queue’s tail if there is one.
 * 
 * Use this method only from the consumer thread!
 * 
 * @return element if there was one, or null if there was none
 */
public final T poll() {
  final Node<T> next = pollNode();
  if (next == null) return null;
  else {
   T value = next.value;
   next.value = null;
   return value;
  }
}

/**
 * Pull one item from the queue’s tail if there is one.
 * 
 * Use this method only from the consumer thread!
 * 
 * @return element if there was one, or null if there was none
 */
public final T poll() {
  final Node<T> next = pollNode();
  if (next == null) return null;
  else {
   T value = next.value;
   next.value = null;
   return value;
  }
}

/**
 * Pull one item from the queue’s tail if there is one.
 * 
 * Use this method only from the consumer thread!
 * 
 * @return element if there was one, or null if there was none
 */
public final T poll() {
  final Node<T> next = pollNode();
  if (next == null) return null;
  else {
   T value = next.value;
   next.value = null;
   return value;
  }
}

/**
 * Pull one item from the queue’s tail if there is one.
 * 
 * Use this method only from the consumer thread!
 * 
 * @return element if there was one, or null if there was none
 */
public final T poll() {
  final Node<T> next = pollNode();
  if (next == null) return null;
  else {
   T value = next.value;
   next.value = null;
   return value;
  }
}