Package org.apache.cxf.continuations

Examples of org.apache.cxf.continuations.Continuation

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        throw new UnsupportedOperationException();
    }
   
    public String greetMe(String name) {
       
        Continuation continuation = getContinuation(name);
        if (continuation == null) {
            throw new RuntimeException("Failed to get continuation");
        }
        synchronized (continuation) {
            if (continuation.isNew()) {
                if (suspended) {
                    throw new RuntimeException("Was already suspended");
                }
                Object userObject = "Fred".equals(name) ? "Ruby" : null;
                continuation.setObject(userObject);
                suspended = true;
                continuation.suspend(2000);
            } else {
                if (!suspended) {
                    throw new RuntimeException("Was not suspended yet");
                }
                if (continuation.isResumed()) {
                    throw new RuntimeException("It must be a timeout");
                }
                StringBuilder sb = new StringBuilder();
                sb.append(name);
               
                Object userObject = continuation.getObject();
                if (userObject != null) {
                    sb.append(' ').append(userObject.toString());
                }
                System.out.println("Saying hi to " + sb.toString());
                return "Hi " + sb.toString();
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                    //1 and 2 seconds, with a preference of delaying the earlier
                    //requests longer to create a sort of backlog/contention
                    //with the later requests
                    ContinuationProvider p = (ContinuationProvider)
                        getContext().getMessageContext().get(ContinuationProvider.class.getName());
                    Continuation c = p.getContinuation();
                    if (c.isNew()) {
                        if (cnt < 0) {
                            c.suspend(-cnt);
                        } else {
                            c.suspend(2000 - (cnt % 1000));
                        }
                        return null;
                    }
                    return "Hello, finally! " + cnt;
                }
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        ServerFactoryBean svrBean = endpoint.createServerFactoryBean();
        svrBean.setInvoker(new Invoker() {
            // we receive a CXF request when this method is called
            public Object invoke(Exchange cxfExchange, Object o) {
                LOG.trace("Received CXF Request: {}", cxfExchange);               
                Continuation continuation;
                if (!endpoint.isSynchronous() && isAsyncInvocationSupported(cxfExchange)
                    && (continuation = getContinuation(cxfExchange)) != null) {
                    LOG.trace("Calling the Camel async processors.");
                    return asyncInvoke(cxfExchange, continuation);
                } else {
                    LOG.trace("Calling the Camel sync processors.");
                    return syncInvoke(cxfExchange);
                }
            }
            // NOTE this code cannot work with CXF 2.2.x and JMSContinuation
            // as it doesn't break out the interceptor chain when we call it
            private Object asyncInvoke(Exchange cxfExchange, final Continuation continuation) {
                synchronized (continuation) {
                    if (continuation.isNew()) {
                        final org.apache.camel.Exchange camelExchange = prepareCamelExchange(cxfExchange);
                       
                        // Now we don't set up the timeout value
                        LOG.trace("Suspending continuation of exchangeId: {}", camelExchange.getExchangeId());
                       
                        // The continuation could be called before the suspend is called
                        continuation.suspend(cxfEndpoint.getContinuationTimeout());

                        // use the asynchronous API to process the exchange
                        getAsyncProcessor().process(camelExchange, new AsyncCallback() {
                            public void done(boolean doneSync) {
                                // make sure the continuation resume will not be called before the suspend method in other thread
                                synchronized (continuation) {
                                    LOG.trace("Resuming continuation of exchangeId: {}", camelExchange.getExchangeId());
                                    // resume processing after both, sync and async callbacks
                                    continuation.setObject(camelExchange);
                                    continuation.resume();
                                }
                            }
                        });
                       
                    } else if (continuation.isResumed()) {
                        org.apache.camel.Exchange camelExchange = (org.apache.camel.Exchange)continuation.getObject();
                        try {
                            setResponseBack(cxfExchange, camelExchange);
                        } finally {
                            CxfConsumer.this.doneUoW(camelExchange);
                        }

                    }
                }
                return null;
            }
            private Continuation getContinuation(Exchange cxfExchange) {
                ContinuationProvider provider =
                    (ContinuationProvider)cxfExchange.getInMessage().get(ContinuationProvider.class.getName());
                Continuation continuation = provider == null ? null : provider.getContinuation();
                // Make sure we don't return the JMSContinuation, as it doesn't support the Continuation we wants
                // Don't want to introduce the dependency of cxf-rt-transprot-jms here
                if (continuation != null && continuation.getClass().getName().equals("org.apache.cxf.transport.jms.continuations.JMSContinuation")) {
                    return null;
                } else {
                    return continuation;
                }
            }
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        svrBean.setInvoker(new Invoker() {

            // we receive a CXF request when this method is called
            public Object invoke(Exchange cxfExchange, Object o) {
                LOG.trace("Received CXF Request: {}", cxfExchange);               
                Continuation continuation;
                if (!endpoint.isSynchronous() && isAsyncInvocationSupported(cxfExchange)
                    && (continuation = getContinuation(cxfExchange)) != null) {
                    LOG.trace("Calling the Camel async processors.");
                    return asyncInvoke(cxfExchange, continuation);
                } else {
                    LOG.trace("Calling the Camel sync processors.");
                    return syncInvoke(cxfExchange);
                }
            }           
           
            // NOTE this code cannot work with CXF 2.2.x and JMSContinuation
            // as it doesn't break out the interceptor chain when we call it
            private Object asyncInvoke(Exchange cxfExchange, final Continuation continuation) {
                synchronized (continuation) {
                    if (continuation.isNew()) {
                        final org.apache.camel.Exchange camelExchange = perpareCamelExchange(cxfExchange);
                       
                        // Now we don't set up the timeout value
                        LOG.trace("Suspending continuation of exchangeId: {}", camelExchange.getExchangeId());
                        // TODO Support to set the timeout in case the Camel can't send the response back on time.
                        // The continuation could be called before the suspend is called
                        continuation.suspend(0);

                        // use the asynchronous API to process the exchange
                        getAsyncProcessor().process(camelExchange, new AsyncCallback() {
                            public void done(boolean doneSync) {
                                // make sure the continuation resume will not be called before the suspend method in other thread
                                synchronized (continuation) {
                                    LOG.trace("Resuming continuation of exchangeId: {}", camelExchange.getExchangeId());
                                    // resume processing after both, sync and async callbacks
                                    continuation.setObject(camelExchange);
                                    continuation.resume();
                                }
                            }
                        });
                       
                    } else if (continuation.isResumed()) {
                        org.apache.camel.Exchange camelExchange = (org.apache.camel.Exchange)continuation
                            .getObject();
                        setResponseBack(cxfExchange, camelExchange);

                    }
                }
                return null;
            }

            private Continuation getContinuation(Exchange cxfExchange) {
                ContinuationProvider provider =
                    (ContinuationProvider)cxfExchange.getInMessage().get(ContinuationProvider.class.getName());
                Continuation continuation = provider == null ? null : provider.getContinuation();
                // Make sure we don't return the JMSContinuation, as it doesn't support the Continuation we wants
                // Don't want to introduce the dependency of cxf-rt-transprot-jms here
                if (continuation != null && continuation.getClass().getName().equals("org.apache.cxf.transport.jms.continuations.JMSContinuation")) {
                    return null;
                } else {
                    return continuation;
                }
            }
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        try {
            final MessageContext messageContext = ctx.getMessageContext();

            ContinuationProvider contProvider =
                (ContinuationProvider) messageContext.get(ContinuationProvider.class.getName());
            final Continuation continuation = contProvider.getContinuation();
            synchronized (continuation) {
                if (continuation.isNew()) {

                    new Thread(new Runnable() {

                        public void run() {
                            try {
                                synchronized (continuation) {
                                    continuation.resume();
                                }
                            } catch (Exception e) {
                                e.printStackTrace();
                            }
                        }

                    }).start();

                    continuation.suspend(5000);
                    throw new RuntimeException("The continuation provider doesn't "
                            + "support asynchronous continuations");
                   
                } else if (!continuation.isResumed()) {
                    throw new RuntimeException("time out");
                } else {
                    return resumeMessage(request);
                }
            }
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     * @param mn message number
     * @return <code>true</code> if message processing to continue, <code>false</code> if to be dropped
     * @throws Fault if message had already been acknowledged
     */
    boolean applyDeliveryAssurance(BigInteger mn, Message message) throws RMException {
        Continuation cont = getContinuation(message);
        DeliveryAssuranceType da = destination.getManager().getDeliveryAssurance();
        if (cont != null && da.isSetInOrder() && !cont.isNew()) {
            return waitInQueue(mn, !(da.isSetAtLeastOnce() || da.isSetExactlyOnce()),
                               message, cont);
        }
        if ((da.isSetExactlyOnce() || da.isSetAtMostOnce()) && isAcknowledged(mn)) {           
            org.apache.cxf.common.i18n.Message msg = new org.apache.cxf.common.i18n.Message(
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            }
        }
    }
    synchronized void wakeupAll() {
        while (!continuations.isEmpty()) {
            Continuation c = continuations.remove(0);
            c.resume();
        }
        notifyAll();
    }
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        ServerFactoryBean svrBean = endpoint.createServerFactoryBean();
        svrBean.setInvoker(new Invoker() {
            // we receive a CXF request when this method is called
            public Object invoke(Exchange cxfExchange, Object o) {
                LOG.trace("Received CXF Request: {}", cxfExchange);               
                Continuation continuation;
                if (!endpoint.isSynchronous() && isAsyncInvocationSupported(cxfExchange)
                    && (continuation = getContinuation(cxfExchange)) != null) {
                    LOG.trace("Calling the Camel async processors.");
                    return asyncInvoke(cxfExchange, continuation);
                } else {
                    LOG.trace("Calling the Camel sync processors.");
                    return syncInvoke(cxfExchange);
                }
            }
            // NOTE this code cannot work with CXF 2.2.x and JMSContinuation
            // as it doesn't break out the interceptor chain when we call it
            private Object asyncInvoke(Exchange cxfExchange, final Continuation continuation) {
                synchronized (continuation) {
                    if (continuation.isNew()) {
                        final org.apache.camel.Exchange camelExchange = prepareCamelExchange(cxfExchange);
                       
                        // Now we don't set up the timeout value
                        LOG.trace("Suspending continuation of exchangeId: {}", camelExchange.getExchangeId());
                        // TODO Support to set the timeout in case the Camel can't send the response back on time.
                        // The continuation could be called before the suspend is called
                        continuation.suspend(0);

                        // use the asynchronous API to process the exchange
                        getAsyncProcessor().process(camelExchange, new AsyncCallback() {
                            public void done(boolean doneSync) {
                                // make sure the continuation resume will not be called before the suspend method in other thread
                                synchronized (continuation) {
                                    LOG.trace("Resuming continuation of exchangeId: {}", camelExchange.getExchangeId());
                                    // resume processing after both, sync and async callbacks
                                    continuation.setObject(camelExchange);
                                    continuation.resume();
                                }
                            }
                        });
                       
                    } else if (continuation.isResumed()) {
                        org.apache.camel.Exchange camelExchange = (org.apache.camel.Exchange)continuation.getObject();
                        try {
                            setResponseBack(cxfExchange, camelExchange);
                        } finally {
                            CxfConsumer.this.doneUoW(camelExchange);
                        }

                    }
                }
                return null;
            }
            private Continuation getContinuation(Exchange cxfExchange) {
                ContinuationProvider provider =
                    (ContinuationProvider)cxfExchange.getInMessage().get(ContinuationProvider.class.getName());
                Continuation continuation = provider == null ? null : provider.getContinuation();
                // Make sure we don't return the JMSContinuation, as it doesn't support the Continuation we wants
                // Don't want to introduce the dependency of cxf-rt-transprot-jms here
                if (continuation != null && continuation.getClass().getName().equals("org.apache.cxf.transport.jms.continuations.JMSContinuation")) {
                    return null;
                } else {
                    return continuation;
                }
            }
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        OperationResourceInfo ori = cxfExchange.get(OperationResourceInfo.class);       
        if (ori.isSubResourceLocator()) {
            // don't delegate the sub resource locator call to camel processor
            return method.invoke(serviceObject, paramArray);
        }
        Continuation continuation;
        if (!endpoint.isSynchronous() && (continuation = getContinuation(cxfExchange)) != null) {
            LOG.trace("Calling the Camel async processors.");
            return asyncInvoke(cxfExchange, serviceObject, method, paramArray, continuation);
        } else {
            LOG.trace("Calling the Camel sync processors.");
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        OperationResourceInfo ori = cxfExchange.get(OperationResourceInfo.class);       
        if (ori.isSubResourceLocator()) {
            // don't delegate the sub resource locator call to camel processor
            return method.invoke(serviceObject, paramArray);
        }
        Continuation continuation;
        if (!endpoint.isSynchronous() && (continuation = getContinuation(cxfExchange)) != null) {
            LOG.trace("Calling the Camel async processors.");
            return asyncInvoke(cxfExchange, serviceObject, method, paramArray, continuation);
        } else {
            LOG.trace("Calling the Camel sync processors.");
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