Examples of java.lang.ref.Reference$ReferenceHandler

java.lang.ref.Reference
Abstract base class for reference objects. This class defines the operations common to all reference objects. Because reference objects are implemented in close cooperation with the garbage collector, this class may not be subclassed directly. @version 1.43, 04/10/06 @author Mark Reinhold @since 1.2

    * @return     Dereferenced object.
    */
   @SuppressWarnings("unchecked")
   public static Object deref(final Object obj) {
      if (obj != null && obj instanceof Reference) {
         Reference ref = (Reference)obj;
         return ref.get();
      }


      return obj;
   }

View Full Code Here

    * @param obj  Object to dereference.
    * @return     Dereferenced object.
    */
   public static Object deref(final Object obj) {
      if (obj != null && obj instanceof Reference) {
         Reference ref = (Reference)obj;
         return ref.get();
      }


      return obj;
   }

View Full Code Here

     * @param md The method descriptor
     * @return The cached method
     */
    private static Method getCachedMethod(MethodDescriptor md) {
        if (CACHE_METHODS) {
            Reference methodRef = (Reference)cache.get(md);
            if (methodRef != null) {
                return (Method)methodRef.get();
            }
        }
        return null;
    }

View Full Code Here

        public V get();
    }
    
    private class ReferenceQueueRunner extends ReferenceQueue implements Runnable {
        public void run() {
            Reference ref = null;
            while (true) {
                try {
                    ref = this.remove();
                    if (ref != null) {
                        ref.clear();
                    }
                } catch (InterruptedException e) {
                    //e.printStackTrace();
                }
            }

View Full Code Here

        if (val == null)
            return true;


        if (!(val instanceof Reference))
            return false;
        Reference ref = (Reference)val;
        val = ref.get();
        if (val == null)
            return true;
        if (val instanceof BufferedImage)
            return true;

View Full Code Here

            while (!shutdown) {
                try {
                    // remove the next reference and process it, a timeout 
                    // is used so that the thread does not block indefinitely 
                    // and therefore keep the thread from shutting down
                    Reference ref = REFERENCE_QUEUE.remove(1000);
                    if (ref != null) {
                        handleReference(ref);
                    }
                } catch (InterruptedException e) {
                    LOG.debug("ReferenceQueueThread interrupted", e);

View Full Code Here

        
        synchronized (REFERENCE_TO_CONNECTION_SOURCE) {
            
            Iterator referenceIter = REFERENCE_TO_CONNECTION_SOURCE.keySet().iterator();
            while (referenceIter.hasNext()) {
                Reference ref = (Reference) referenceIter.next();
                ConnectionSource source = 
                    (ConnectionSource) REFERENCE_TO_CONNECTION_SOURCE.get(ref);
                if (source.connectionPool == connectionPool) {
                    referenceIter.remove();
                    HttpConnection connection = (HttpConnection) ref.get();
                    if (connection != null) {
                        connectionsToClose.add(connection);
                    }
                }
            }

View Full Code Here

     * and dispose of any corresponding images.
     */
    public final void run() {
      while (true) {
        // Get the next reference to dispose.
        Reference reference = null;
        // Block until a reference becomes available in the queue
        try {
          reference = referenceQueue.remove();
        } catch (final InterruptedException e) {
          // Reference will be null.
        }


        // Check to see if we've been told to stop.
        if (reference == endMarker) {
          // Clean up the image map
          break;
        }


        // Image disposal - need to traverse the set of keys, since the
        // image descriptor has been cleaned. No way to directly
        // retrieve the equivalence set from the map . This could be
        // improved (with better search/sort).
        if (reference instanceof ImageCacheWeakReference) {
          removeReferenceEnqueued((ImageCacheWeakReference) reference);
        }


        // Clear the reference.
        if (reference != null) {
          reference.clear();
        }


      }
    }

View Full Code Here

    * @return     Dereferenced object.
    */
   @SuppressWarnings("unchecked")
   public static Object deref(final Object obj) {
      if (obj != null && obj instanceof Reference) {
         Reference ref = (Reference)obj;
         return ref.get();
      }


      return obj;
   }

View Full Code Here


  // Updates the object ID table, removing IDs whose objects have
  // been garbage collected.
  private void _update ()
  {
    Reference ref;
    while ((ref = _refQueue.poll ()) != null)
      {
  ObjectId id = (ObjectId) _oidTable.get (ref);
  _oidTable.remove (ref);
  _idTable.remove (new Long (id.getId ()));

View Full Code Here

0 1 2 3 4 5 6 7 8 9

TOP

Related Classes of java.lang.ref.Reference$ReferenceHandler

ae.sun.font.Font2D

com.espertech.esper.collection.apachecommons.AbstractReferenceMap

com.google.common.base.FinalizableReferenceQueue

com.google.common.cache.LocalCache$Segment

com.google.common.collect.MapMakerInternalMap$Segment

com.google.inject.internal.util.$FinalizableReferenceQueue

com.ibm.icu.impl.SimpleCache

com.lightcrafts.utils.SoftValueHashMap

com.prupe.mcpatcher.hd.MipmapHelper

com.sun.jini.jeri.internal.runtime.ImplRefManager

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.