Constructor Detail

• public ReferenceManager(ReferenceQueue queue)

  Creates a manager for the supplied queue.

  Parameters:

  queue - the queue containing collected references, or null when not queue-backed

Method Detail

• public void afterReferenceCreation(Reference r)

  Hook invoked after a new managed reference has been created.

  Parameters:

  r - the created reference

• public static ReferenceManager createCallBackedManager(ReferenceQueue queue)

  Creates a manager that removes stale entries when new references are created.

  Parameters:

  queue - the queue to inspect

  Returns:

  a callback-backed reference manager

• public static ReferenceManager createIdlingManager(ReferenceQueue queue)

  Creates a manager that only processes queued references when asked explicitly.

  Parameters:

  queue - the queue to inspect

  Returns:

  an idling reference manager

• public static ReferenceManager createThreadedManager(ReferenceQueue queue)

  Creates a manager backed by a daemon thread that drains the supplied queue.

  Parameters:

  queue - the queue to drain

  Returns:

  a threaded reference manager

• public static ReferenceManager createThresholdedIdlingManager(ReferenceQueue queue, ReferenceManager callback, int threshold)

  Creates a manager that starts in idling mode and switches to the callback manager after a threshold.

  Parameters:

  queue - the queue to inspect

  callback - the manager to delegate to after the threshold is crossed

  threshold - the number of created references before switching managers

  Returns:

  a thresholded reference manager

• @Deprecated
  public static ReferenceBundle getDefaultSoftBundle()

  deprecated:

  use ReferenceBundle.getSoftBundle

• @Deprecated
  public static ReferenceBundle getDefaultWeakBundle()

  deprecated:

  use ReferenceBundle.getWeakBundle

• protected ReferenceQueue getReferenceQueue()

  Returns the queue monitored by this manager.

  Returns:

  the managed reference queue, or null

• public void removeStallEntries()

  Removes any currently queued stale references.

• public void stopThread()

  Stops any background processing owned by this manager.

• public String toString()

  {@inheritDoc}