Examples of java.util.concurrent.FutureTask$WaitNode

java.util.concurrent.FutureTask
Simple linked list nodes to record waiting threads in a Treiber stack. See other classes such as Phaser and SynchronousQueue for more detailed explanation.

                 logger.debug("took object");
                 
                 if (model != null) {
                     
                    try {
                        FutureTask task = null;
                        if (model instanceof PatientVisitModel) {
                            task = new FutureTask(getPvtTask((PatientVisitModel) model));
                            logger.debug("created pvt FutureTask");
                        }
                        else if (model instanceof DocumentModel) {
                            task = new FutureTask(getDocumentTask((DocumentModel) model));
                            logger.debug("created document FutureTask");
                        }
                        logger.debug("start FutureTask");
                        new Thread(task).start();
                        task.get(120, TimeUnit.SECONDS);
                        logger.debug("got result within timeout");
                        
                    } catch (InterruptedException ex) {
                        logger.warn(ex);
                    } catch (ExecutionException ex) {

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                public Message createMessage(Session session) throws JMSException {
                    Message message = endpoint.getBinding().makeJmsMessage(exchange, in, session, null);
                    message.setJMSReplyTo(replyTo);
                    requestor.setReplyToSelectorHeader(in, message);


                    FutureTask future;
                    future = (!msgIdAsCorrId)
                            ? requestor.getReceiveFuture(message.getJMSCorrelationID(), endpoint.getConfiguration().getRequestTimeout())
                            : requestor.getReceiveFuture(callback);


                    futureHolder.set(future);

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                public Message createMessage(Session session) throws JMSException {
                    Message message = endpoint.getBinding().makeJmsMessage(exchange, in, session);
                    message.setJMSReplyTo(replyTo);
                    requestor.setReplyToSelectorHeader(in, message);


                    FutureTask future = null;
                    future = (!msgIdAsCorrId)
                            ? requestor.getReceiveFuture(message.getJMSCorrelationID(), endpoint.getConfiguration().getRequestTimeout())
                            : requestor.getReceiveFuture(callback);


                    futureHolder.set(future);

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                public Message createMessage(Session session) throws JMSException {
                    Message message = endpoint.getBinding().makeJmsMessage(exchange, in, session);
                    message.setJMSReplyTo(replyTo);
                    requestor.setReplyToSelectorHeader(in, message);


                    FutureTask future = null;
                    future = (!msgIdAsCorrId)
                        ? requestor.getReceiveFuture(message.getJMSCorrelationID(), endpoint
                            .getRequestTimeout()) : requestor.getReceiveFuture(callback);


                    futureHolder.set(future);

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                overflowNotificationTime -= OVERFLOW_RENOTIFICATION_DELAY;
                
            } else {
                
                try {
                    final FutureTask result = new FutureTask(new Callable() {
                        public Object call() throws Exception {
                            return queuedActivateNextLogFile();
                        }});
                    executor.execute(result);
                    Location location = (Location) result.get();
                    appendLogFileId = location.getLogFileId();
                    appendLogFileOffset = location.getLogFileOffset();
    
                } catch (InterruptedException e) {
                    throw (IOException) new IOException("Interrupted.").initCause(e);

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            }
        }


        // Run this in the queued executor thread.
        try {
            final FutureTask result = new FutureTask(new Callable() {
                public Object call() throws Exception {
                    return queuedGetNextRecordLocation((Location) lastLocation);
                }});
            executor.execute(result);
            return (Location) result.get();
        } catch (InterruptedException e) {
            throw (IOException) new IOException("Interrupted.").initCause(e);
        }
        catch (ExecutionException e) {
            throw handleExecutionException(e);

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     */
    public Packet read(final RecordLocation l) throws IOException, InvalidRecordLocationException {
        final Location location = (Location) l;
        // Run this in the queued executor thread.
        try {
            final FutureTask result = new FutureTask(new Callable() {
                public Object call() throws Exception {
                    return file.readPacket(location);
                }});
            executor.execute(result);
            return (Packet) result.get();
        } catch (InterruptedException e) {
            throw (IOException) new IOException("Interrupted.").initCause(e);
        }
        catch (ExecutionException e) {
            throw handleExecutionException(e);

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public class ExecuteLearn {


    public void testFuture() {
        CompletionService cs ;
        Future future;
        FutureTask ft;


    }

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    }




    private Future getReduceTestEntry( Object value ) {
        // Create a task and run it, assuring that the tests won't block on a get.
        FutureTask task = new FutureTask( new ReduceTestEntry( value ) );
        task.run();
        return task;
    }

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    @Override
    public RepairAlgo constructRepairAlgo(final Supplier<List<Long>> survivors, final String whoami) {
        RepairAlgo ra = null;
        if (Thread.currentThread().getId() != m_taskThreadId) {
            FutureTask<RepairAlgo> ft = new FutureTask(new Callable<RepairAlgo>() {
                @Override
                public RepairAlgo call() throws Exception {
                    RepairAlgo ra = new MpPromoteAlgo( survivors.get(), MpInitiatorMailbox.this, whoami);
                    setRepairAlgoInternal(ra);
                    return ra;
                }
            });
            m_taskQueue.offer(ft);
            try {
                ra = ft.get();
            } catch (Exception e) {
                Throwables.propagate(e);
            }
        } else {
            ra = new MpPromoteAlgo( survivors.get(), this, whoami);

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