Module org.cloudi

Class GenericQueue


  • public class GenericQueue
    extends Object
    This class implements a generic FIFO queue. There is no upper bound on the length of the queue, items are linked.
    • Constructor Detail

      • GenericQueue

        public GenericQueue()
        Create an empty queue
    • Method Detail

      • flush

        public void flush()
        Clear a queue
      • close

        public void close()
      • put

        public void put​(Object o)
        Add an object to the tail of the queue.
        Parameters:
        o - Object to insert in the queue
      • get

        public Object get()
        Retrieve an object from the head of the queue, or block until one arrives.
        Returns:
        The object at the head of the queue.
      • get

        public Object get​(long timeout)
                   throws InterruptedException
        Retrieve an object from the head of the queue, blocking until one arrives or until timeout occurs.
        Parameters:
        timeout - Maximum time to block on queue, in ms. Use 0 to poll the queue.
        Returns:
        The object at the head of the queue, or null if none arrived in time.
        Throws:
        InterruptedException - if the operation times out.
      • tryGet

        public Object tryGet()
      • getCount

        public int getCount()