Examples of AtomicExchange

org.apache.camel.util.concurrent.AtomicExchange
Convenience class for holding an {@link Exchange} in a thread-safe way

Examples of org.apache.camel.util.concurrent.AtomicExchange

    public String getTraceLabel() {
        return "multicast";
    }


    public void process(Exchange exchange) throws Exception {
        final AtomicExchange result = new AtomicExchange();
        final Iterable<ProcessorExchangePair> pairs = createProcessorExchangePairs(exchange);


        // multicast uses fine grained error handling on the output processors
        // so use try .. catch to cater for this
        try {
            if (isParallelProcessing()) {
                doProcessParallel(result, pairs, isStreaming());
            } else {
                doProcessSequential(result, pairs);
            }


            if (result.get() != null) {
                ExchangeHelper.copyResults(exchange, result.get());
            }
        } catch (Exception e) {
            // multicast uses error handling on its output processors and they have tried to redeliver
            // so we shall signal back to the other error handlers that we are exhausted and they should not
            // also try to redeliver as we will then do that twice

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Examples of org.apache.camel.util.concurrent.AtomicExchange

    public void process(Exchange exchange) throws Exception {
        AsyncProcessorHelper.process(this, exchange);
    }


    public boolean process(Exchange exchange, AsyncCallback callback) {
        final AtomicExchange result = new AtomicExchange();
        final Iterable<ProcessorExchangePair> pairs;


        // multicast uses fine grained error handling on the output processors
        // so use try .. catch to cater for this
        boolean exhaust = false;
        try {
            boolean sync = true;


            pairs = createProcessorExchangePairs(exchange);


            // after we have created the processors we consider the exchange as exhausted if an unhandled
            // exception was thrown, (used in the catch block)
            exhaust = true;


            if (isParallelProcessing()) {
                // ensure an executor is set when running in parallel
                ObjectHelper.notNull(executorService, "executorService", this);
                doProcessParallel(exchange, result, pairs, isStreaming(), callback);
            } else {
                sync = doProcessSequential(exchange, result, pairs, callback);
            }


            if (!sync) {
                // the remainder of the multicast will be completed async
                // so we break out now, then the callback will be invoked which then continue routing from where we left here
                return false;
            }
        } catch (Throwable e) {
            exchange.setException(e);
            // and do the done work
            doDone(exchange, null, callback, true, exhaust);
            return true;
        }


        // multicasting was processed successfully
        // and do the done work
        Exchange subExchange = result.get() != null ? result.get() : null;
        doDone(exchange, subExchange, callback, true, exhaust);
        return true;
    }

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Examples of org.apache.camel.util.concurrent.AtomicExchange

    public void process(Exchange exchange) throws Exception {
        AsyncProcessorHelper.process(this, exchange);
    }


    public boolean process(Exchange exchange, AsyncCallback callback) {
        final AtomicExchange result = new AtomicExchange();
        Iterable<ProcessorExchangePair> pairs = null;


        try {
            boolean sync = true;


            pairs = createProcessorExchangePairs(exchange);


            if (isParallelProcessing()) {
                // ensure an executor is set when running in parallel
                ObjectHelper.notNull(executorService, "executorService", this);
                doProcessParallel(exchange, result, pairs, isStreaming(), callback);
            } else {
                sync = doProcessSequential(exchange, result, pairs, callback);
            }


            if (!sync) {
                // the remainder of the multicast will be completed async
                // so we break out now, then the callback will be invoked which then continue routing from where we left here
                return false;
            }
        } catch (Throwable e) {
            exchange.setException(e);
            // unexpected exception was thrown, maybe from iterator etc. so do not regard as exhausted
            // and do the done work
            doDone(exchange, null, pairs, callback, true, false);
            return true;
        }


        // multicasting was processed successfully
        // and do the done work
        Exchange subExchange = result.get() != null ? result.get() : null;
        doDone(exchange, subExchange, pairs, callback, true, true);
        return true;
    }

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Examples of org.apache.camel.util.concurrent.AtomicExchange

    public void process(Exchange exchange) throws Exception {
        AsyncProcessorHelper.process(this, exchange);
    }


    public boolean process(Exchange exchange, AsyncCallback callback) {
        final AtomicExchange result = new AtomicExchange();
        final Iterable<ProcessorExchangePair> pairs;


        // multicast uses fine grained error handling on the output processors
        // so use try .. catch to cater for this
        boolean exhaust = false;
        try {
            boolean sync = true;


            pairs = createProcessorExchangePairs(exchange);


            // after we have created the processors we consider the exchange as exhausted if an unhandled
            // exception was thrown, (used in the catch block)
            exhaust = true;


            if (isParallelProcessing()) {
                // ensure an executor is set when running in parallel
                ObjectHelper.notNull(executorService, "executorService", this);
                doProcessParallel(exchange, result, pairs, isStreaming(), callback);
            } else {
                sync = doProcessSequential(exchange, result, pairs, callback);
            }


            if (!sync) {
                // the remainder of the multicast will be completed async
                // so we break out now, then the callback will be invoked which then continue routing from where we left here
                return false;
            }
        } catch (Throwable e) {
            exchange.setException(e);
            // and do the done work
            doDone(exchange, null, callback, true, exhaust);
            return true;
        }


        // multicasting was processed successfully
        // and do the done work
        Exchange subExchange = result.get() != null ? result.get() : null;
        doDone(exchange, subExchange, callback, true, exhaust);
        return true;
    }

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Examples of org.apache.camel.util.concurrent.AtomicExchange

    public void process(Exchange exchange) throws Exception {
        AsyncProcessorHelper.process(this, exchange);
    }


    public boolean process(Exchange exchange, AsyncCallback callback) {
        final AtomicExchange result = new AtomicExchange();
        Iterable<ProcessorExchangePair> pairs = null;


        try {
            boolean sync = true;


            pairs = createProcessorExchangePairs(exchange);


            if (isParallelProcessing()) {
                // ensure an executor is set when running in parallel
                ObjectHelper.notNull(executorService, "executorService", this);
                doProcessParallel(exchange, result, pairs, isStreaming(), callback);
            } else {
                sync = doProcessSequential(exchange, result, pairs, callback);
            }


            if (!sync) {
                // the remainder of the multicast will be completed async
                // so we break out now, then the callback will be invoked which then continue routing from where we left here
                return false;
            }
        } catch (Throwable e) {
            exchange.setException(e);
            // unexpected exception was thrown, maybe from iterator etc. so do not regard as exhausted
            // and do the done work
            doDone(exchange, null, pairs, callback, true, false);
            return true;
        }


        // multicasting was processed successfully
        // and do the done work
        Exchange subExchange = result.get() != null ? result.get() : null;
        doDone(exchange, subExchange, pairs, callback, true, true);
        return true;
    }

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Examples of org.apache.camel.util.concurrent.AtomicExchange

    public void process(Exchange exchange) throws Exception {
        AsyncProcessorHelper.process(this, exchange);
    }


    public boolean process(Exchange exchange, AsyncCallback callback) {
        final AtomicExchange result = new AtomicExchange();
        final Iterable<ProcessorExchangePair> pairs;


        try {
            boolean sync = true;


            pairs = createProcessorExchangePairs(exchange);


            if (isParallelProcessing()) {
                // ensure an executor is set when running in parallel
                ObjectHelper.notNull(executorService, "executorService", this);
                doProcessParallel(exchange, result, pairs, isStreaming(), callback);
            } else {
                sync = doProcessSequential(exchange, result, pairs, callback);
            }


            if (!sync) {
                // the remainder of the multicast will be completed async
                // so we break out now, then the callback will be invoked which then continue routing from where we left here
                return false;
            }
        } catch (Throwable e) {
            exchange.setException(e);
            // unexpected exception was thrown, maybe from iterator etc. so do not regard as exhausted
            // and do the done work
            doDone(exchange, null, callback, true, false);
            return true;
        }


        // multicasting was processed successfully
        // and do the done work
        Exchange subExchange = result.get() != null ? result.get() : null;
        doDone(exchange, subExchange, callback, true, true);
        return true;
    }

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Examples of org.apache.camel.util.concurrent.AtomicExchange

    public void process(Exchange exchange) throws Exception {
        AsyncProcessorHelper.process(this, exchange);
    }


    public boolean process(Exchange exchange, AsyncCallback callback) {
        final AtomicExchange result = new AtomicExchange();
        final Iterable<ProcessorExchangePair> pairs;


        // multicast uses fine grained error handling on the output processors
        // so use try .. catch to cater for this
        boolean exhaust = false;
        try {
            boolean sync = true;


            pairs = createProcessorExchangePairs(exchange);


            // after we have created the processors we consider the exchange as exhausted if an unhandled
            // exception was thrown, (used in the catch block)
            exhaust = true;


            if (isParallelProcessing()) {
                // ensure an executor is set when running in parallel
                ObjectHelper.notNull(executorService, "executorService", this);
                doProcessParallel(exchange, result, pairs, isStreaming(), callback);
            } else {
                sync = doProcessSequential(exchange, result, pairs, callback);
            }


            if (!sync) {
                // the remainder of the multicast will be completed async
                // so we break out now, then the callback will be invoked which then continue routing from where we left here
                return false;
            }
        } catch (Throwable e) {
            exchange.setException(e);
            // and do the done work
            doDone(exchange, null, callback, true, exhaust);
            return true;
        }


        // multicasting was processed successfully
        // and do the done work
        Exchange subExchange = result.get() != null ? result.get() : null;
        doDone(exchange, subExchange, callback, true, exhaust);
        return true;
    }

View Full Code Here

Examples of org.apache.camel.util.concurrent.AtomicExchange

    public void process(Exchange exchange) throws Exception {
        AsyncProcessorHelper.process(this, exchange);
    }


    public boolean process(Exchange exchange, AsyncCallback callback) {
        final AtomicExchange result = new AtomicExchange();
        final Iterable<ProcessorExchangePair> pairs;


        // multicast uses fine grained error handling on the output processors
        // so use try .. catch to cater for this
        boolean exhaust = false;
        try {
            boolean sync = true;


            pairs = createProcessorExchangePairs(exchange);


            // after we have created the processors we consider the exchange as exhausted if an unhandled
            // exception was thrown, (used in the catch block)
            exhaust = true;


            if (isParallelProcessing()) {
                // ensure an executor is set when running in parallel
                ObjectHelper.notNull(executorService, "executorService", this);
                doProcessParallel(exchange, result, pairs, isStreaming(), callback);
            } else {
                sync = doProcessSequential(exchange, result, pairs, callback);
            }


            if (!sync) {
                // the remainder of the multicast will be completed async
                // so we break out now, then the callback will be invoked which then continue routing from where we left here
                return false;
            }
        } catch (Throwable e) {
            exchange.setException(e);
            // and do the done work
            doDone(exchange, null, callback, true, exhaust);
            return true;
        }


        // multicasting was processed successfully
        // and do the done work
        Exchange subExchange = result.get() != null ? result.get() : null;
        doDone(exchange, subExchange, callback, true, exhaust);
        return true;
    }

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Examples of org.apache.camel.util.concurrent.AtomicExchange

    public void process(Exchange exchange) throws Exception {
        AsyncProcessorHelper.process(this, exchange);
    }


    public boolean process(Exchange exchange, AsyncCallback callback) {
        final AtomicExchange result = new AtomicExchange();
        Iterable<ProcessorExchangePair> pairs = null;


        try {
            boolean sync = true;


            pairs = createProcessorExchangePairs(exchange);


            if (isParallelProcessing()) {
                // ensure an executor is set when running in parallel
                ObjectHelper.notNull(executorService, "executorService", this);
                doProcessParallel(exchange, result, pairs, isStreaming(), callback);
            } else {
                sync = doProcessSequential(exchange, result, pairs, callback);
            }


            if (!sync) {
                // the remainder of the multicast will be completed async
                // so we break out now, then the callback will be invoked which then continue routing from where we left here
                return false;
            }
        } catch (Throwable e) {
            exchange.setException(e);
            // unexpected exception was thrown, maybe from iterator etc. so do not regard as exhausted
            // and do the done work
            doDone(exchange, null, pairs, callback, true, false);
            return true;
        }


        // multicasting was processed successfully
        // and do the done work
        Exchange subExchange = result.get() != null ? result.get() : null;
        doDone(exchange, subExchange, pairs, callback, true, true);
        return true;
    }

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Examples of org.apache.camel.util.concurrent.AtomicExchange

            }
        }
    }


    public void process(Exchange exchange) throws Exception {
        final AtomicExchange result = new AtomicExchange();


        Iterable<ProcessorExchangePair> pairs = createProcessorExchangePairs(exchange);
        
        // Parallel Processing the producer
        if (isParallelProcessing) {
            List<Exchange> exchanges = new LinkedList<Exchange>();
            final CountingLatch completedExchanges = new CountingLatch();
            int i = 0;
            for (ProcessorExchangePair pair : pairs) {
                Processor producer = pair.getProcessor();
                final Exchange subExchange = pair.getExchange();
                updateNewExchange(subExchange, i, pairs);
                exchanges.add(subExchange);
                completedExchanges.increment(); 
                ProcessCall call = new ProcessCall(subExchange, producer, new AsyncCallback() {
                    public void done(boolean doneSynchronously) {
                        if (streaming && aggregationStrategy != null) {
                            doAggregate(result, subExchange);
                        }
                        completedExchanges.decrement();
                    }


                });
                executor.execute(call);
                i++;
            }
            completedExchanges.await();
            if (!streaming && aggregationStrategy != null) {
                for (Exchange resultExchange : exchanges) {
                    doAggregate(result, resultExchange);
                }
            }


        } else {
            // we call the producer one by one sequentially
            int i = 0;
            for (ProcessorExchangePair pair : pairs) {
                Processor producer = pair.getProcessor();
                Exchange subExchange = pair.getExchange();
                updateNewExchange(subExchange, i, pairs);
                try {
                    producer.process(subExchange);
                } catch (Exception exception) {
                    subExchange.setException(exception);
                }
                doAggregate(result, subExchange);
                i++;
            }
        }
        if (result.get() != null) {
            ExchangeHelper.copyResults(exchange, result.get());
        }
    }

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