Examples of java.lang.ref.ReferenceQueue.poll()

java.lang.ref.ReferenceQueue.poll()
Polls this queue to see if a reference object is available. If one is available without further delay then it is removed from the queue and returned. Otherwise this method immediately returns null. @return A reference object, if one was immediately available,otherwise null


        objectUnderTest_.add(o1);


        o1 = null;


        while (queue.poll() == null && System.currentTimeMillis() < timeout)
        {
            System.gc();
        }


        assertTrue(objectUnderTest_.isEmpty());

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            ReferenceQueue q = queueMap.get(l.getClass());


            if (q != null) {
                DocReference r;
                synchronized (q) {
                    while ((r = (DocReference) q.poll()) != null) {
                        staleListeners.add(r.getListener());
                    }
                }
            }

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