Package org.exoplatform.services.cache.concurrent

Class SynchronizedQueue<I extends Item>

java.lang.Object
org.exoplatform.services.cache.concurrent.SynchronizedQueue<I>
All Implemented Interfaces:
Queue<I>
public class SynchronizedQueue<I extends Item> extends Object implements Queue<I>

  • Constructor Details

    • SynchronizedQueue

      public SynchronizedQueue(org.exoplatform.services.log.Log log)

  • Method Details

    • size

      public int size()
      Description copied from interface: Queue
      Returns the queue size
      Specified by:
      size in interface Queue<I extends Item>
      Returns:
      the size

    • assertConsistency

      public void assertConsistency()

    • remove

      public boolean remove(I item)
      Attempt to remove an item from the queue.
      Specified by:
      remove in interface Queue<I extends Item>
      Parameters:
      item - the item to remove
      Returns:
      true if the item was removed by this thread

    • add

      public void add(I item)
      Add the item to the head of the list.
      Specified by:
      add in interface Queue<I extends Item>
      Parameters:
      item - the item to add

    • trim

      public ArrayList<I> trim(int size)
      Attempt to trim the queue. Trim will occur if no other thread is already performing a trim and the queue size is greater than the provided size.
      Specified by:
      trim in interface Queue<I extends Item>
      Parameters:
      size - the wanted size
      Returns:
      the list of evicted items