Examples of org.apache.camel.spi.UnitOfWork

org.apache.camel.spi.UnitOfWork
An object representing the unit of work processing an {@link Exchange}which allows the use of {@link Synchronization} hooks. This object might map one-to-one witha transaction in JPA or Spring; or might not.

     */
    public static Expression routeIdExpression() {
        return new ExpressionAdapter() {
            public Object evaluate(Exchange exchange) {
                String answer = null;
                UnitOfWork uow = exchange.getUnitOfWork();
                RouteContext rc = uow != null ? uow.getRouteContext() : null;
                if (rc != null) {
                    answer = rc.getRoute().getId();
                }
                if (answer == null) {
                    // fallback and get from route id on the exchange

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        this.parent = parentUnitOfWork;
    }


    public UnitOfWork createChildUnitOfWork(Exchange childExchange) {
        // create a new child unit of work, and mark me as its parent
        UnitOfWork answer = newInstance(childExchange);
        answer.setParentUnitOfWork(this);
        return answer;
    }

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    protected Processor createUnitOfWorkProcessor(RouteContext routeContext, Processor processor, Exchange exchange) {
        String routeId = routeContext != null ? routeContext.getRoute().idOrCreate(routeContext.getCamelContext().getNodeIdFactory()) : null;
        CamelInternalProcessor internal = new CamelInternalProcessor(processor);


        // and wrap it in a unit of work so the UoW is on the top, so the entire route will be in the same UoW
        UnitOfWork parent = exchange.getProperty(Exchange.PARENT_UNIT_OF_WORK, UnitOfWork.class);
        if (parent != null) {
            internal.addAdvice(new CamelInternalProcessor.ChildUnitOfWorkProcessorAdvice(routeId, parent));
        } else {
            internal.addAdvice(new CamelInternalProcessor.UnitOfWorkProcessorAdvice(routeId));
        }

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     */
    public static Expression routeIdExpression() {
        return new ExpressionAdapter() {
            public Object evaluate(Exchange exchange) {
                String answer = null;
                UnitOfWork uow = exchange.getUnitOfWork();
                RouteContext rc = uow != null ? uow.getRouteContext() : null;
                if (rc != null) {
                    answer = rc.getRoute().getId();
                }
                if (answer == null) {
                    // fallback and get from route id on the exchange

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        deleteDirectory("target/cachedir");
        createDirectory("target/cachedir");


        exchange = new DefaultExchange(context);
        UnitOfWork uow = new DefaultUnitOfWork(exchange);
        exchange.setUnitOfWork(uow);
    }

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     * @param processor    the processor wrapped in this unit of work processor
     * @param exchange     the exchange
     * @return the unit of work processor
     */
    protected UnitOfWorkProcessor createUnitOfWorkProcessor(RouteContext routeContext, Processor processor, Exchange exchange) {
        UnitOfWork parent = exchange.getProperty(Exchange.PARENT_UNIT_OF_WORK, UnitOfWork.class);
        if (parent != null) {
            return new ChildUnitOfWorkProcessor(parent, routeContext, processor);
        } else {
            return new UnitOfWorkProcessor(routeContext, processor);
        }

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        Exchange copy = exchange.copy();
        // do not share the unit of work
        copy.setUnitOfWork(null);
        // hand over on completion to the copy if we got any
        UnitOfWork uow = exchange.getUnitOfWork();
        if (handover && uow != null) {
            uow.handoverSynchronization(copy);
        }
        // set a correlation id so we can track back the original exchange
        copy.setProperty(Exchange.CORRELATION_ID, id);
        return copy;
    }

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    public boolean isFailed() {
        return (hasOut() && getOut().isFault()) || getException() != null;
    }


    public boolean isTransacted() {
        UnitOfWork uow = getUnitOfWork();
        if (uow != null) {
            return uow.isTransacted();
        } else {
            return false;
        }
    }

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    public boolean isFailed() {
        return (hasOut() && getOut().isFault()) || getException() != null;
    }


    public boolean isTransacted() {
        UnitOfWork uow = getUnitOfWork();
        if (uow != null) {
            return uow.isTransacted();
        } else {
            return false;
        }
    }

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        Exchange copy = exchange.copy();
        // do not share the unit of work
        copy.setUnitOfWork(null);
        // hand over on completion to the copy if we got any
        UnitOfWork uow = exchange.getUnitOfWork();
        if (handover && uow != null) {
            uow.handoverSynchronization(copy);
        }
        // set a correlation id so we can track back the original exchange
        copy.setProperty(Exchange.CORRELATION_ID, id);
        return copy;
    }

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org.apache.camel.builder.ExpressionBuilder

org.apache.camel.converter.stream.CachedOutputStreamTest

org.apache.camel.impl.BridgeExceptionHandlerToErrorHandler

org.apache.camel.impl.DefaultConsumer

org.apache.camel.impl.DefaultExchange

org.apache.camel.impl.DefaultRuntimeEndpointRegistry

org.apache.camel.impl.DefaultUnitOfWork

org.apache.camel.impl.DefaultUnitOfWorkFactory

org.apache.camel.processor.CamelInternalProcessor

org.apache.camel.processor.CamelInternalProcessor$RouteContextAdvice

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