Package org.apache.camel.spi

Examples of org.apache.camel.spi.Policy

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    @Override
    public Processor createProcessor(RouteContext routeContext) throws Exception {
        Processor childProcessor = createOutputsProcessor(routeContext);

        Policy policy = resolvePolicy(routeContext);
        if (policy == null) {
            throw new IllegalArgumentException("No policy configured: " + this);
        }
        return policy.wrap(childProcessor);
    }
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    @Override
    protected RouteBuilder createRouteBuilder() {
        return new SpringRouteBuilder() {
            public void configure() {

                Policy requried = new SpringTransactionPolicy(bean(TransactionTemplate.class, "PROPAGATION_REQUIRED"));
                Policy notsupported = new SpringTransactionPolicy(bean(TransactionTemplate.class, "PROPAGATION_NOT_SUPPORTED"));
                Policy requirenew = new SpringTransactionPolicy(bean(TransactionTemplate.class, "PROPAGATION_REQUIRES_NEW"));

                Policy rollback = new Policy() {
                    public Processor wrap(Processor processor) {
                        return new DelegateProcessor(processor) {
                            @Override
                            public void process(Exchange exchange) throws Exception {
                                processNext(exchange);
                                throw new RuntimeException("rollback");
                            }

                            @Override
                            public String toString() {
                                return "rollback(" + getProcessor() + ")";
                            }
                        };
                    }
                };

                Policy catchRollback = new Policy() {
                    public Processor wrap(Processor processor) {
                        return new DelegateProcessor(processor) {
                            @Override
                            public void process(Exchange exchange) {
                                try {
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    @Override
    public Processor createProcessor(RouteContext routeContext) throws Exception {
        Processor childProcessor = createOutputsProcessor(routeContext);

        Policy policy = resolvePolicy(routeContext);
        if (policy == null) {
            throw new IllegalArgumentException("No policy configured: " + this);
        }
        return policy.wrap(childProcessor);
    }
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        context.addRoutes(new SpringRouteBuilder() {

            @Override
            public void configure() throws Exception {

                Policy required = bean(SpringTransactionPolicy.class, "PROPAGATION_REQUIRED_POLICY");
                from("activemq:queue:foo").policy(required).process(new ConditionalExceptionProcessor())
                    .to("activemq:queue:bar");
            }
        });
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        context.addRoutes(new SpringRouteBuilder() {

            @Override
            public void configure() throws Exception {

                Policy required = bean(SpringTransactionPolicy.class, "PROPAGATION_REQUIRED_POLICY");
                from("activemq:queue:foo").policy(required).process(new ConditionalExceptionProcessor());
            }
        });

        assertResult();
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        JmsComponent c1 = (JmsComponent)context.getComponent("activemq-1");
        final ConditionalExceptionProcessor cp = new ConditionalExceptionProcessor(10);
        context.addRoutes(new SpringRouteBuilder() {
            @Override
            public void configure() throws Exception {
                Policy required = bean(SpringTransactionPolicy.class, "PROPAGATION_REQUIRED_POLICY");
                from("activemq:queue:foo?replyTo=queue:foo.reply").policy(required).process(cp).to("activemq-1:queue:bar?replyTo=queue:bar.reply");
                from("activemq-1:queue:bar").process(new Processor() {
                    public void process(Exchange e) {
                        String request = e.getIn().getBody(String.class);
                        Message out = e.getOut(true);
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    @Override
    protected RouteBuilder createRouteBuilder() {
        return new SpringRouteBuilder() {
            public void configure() {

                Policy requried = new SpringTransactionPolicy(bean(TransactionTemplate.class, "PROPAGATION_REQUIRED"));
                Policy notsupported = new SpringTransactionPolicy(bean(TransactionTemplate.class, "PROPAGATION_NOT_SUPPORTED"));
                Policy requirenew = new SpringTransactionPolicy(bean(TransactionTemplate.class, "PROPAGATION_REQUIRES_NEW"));

                Policy rollback = new Policy() {
                    public Processor wrap(Processor processor) {
                        return new DelegateProcessor(processor) {
                            @Override
                            public void process(Exchange exchange) throws Exception {
                                processNext(exchange);
                                throw new RuntimeException("rollback");
                            }

                            @Override
                            public String toString() {
                                return "rollback(" + getProcessor() + ")";
                            }
                        };
                    }
                };

                Policy catchRollback = new Policy() {
                    public Processor wrap(Processor processor) {
                        return new DelegateProcessor(processor) {
                            @Override
                            public void process(Exchange exchange) {
                                try {
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        return this;
    }

    @Override
    public Processor createProcessor(RouteContext routeContext) throws Exception {
        Policy policy = resolvePolicy(routeContext);
        ObjectHelper.notNull(policy, "policy", this);

        // before wrap
        policy.beforeWrap(routeContext, this);

        // create processor after the before wrap
        Processor childProcessor = this.createChildProcessor(routeContext, true);

        // wrap
        Processor target = policy.wrap(routeContext, childProcessor);

        // wrap the target so it becomes a service and we can manage its lifecycle
        WrapProcessor wrap = new WrapProcessor(target, childProcessor);
        return wrap;
    }
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        }

        // no explicit reference given from user so we can use some convention over configuration here

        // try to lookup by scoped type
        Policy answer = null;
        if (type != null) {
            // try find by type, note that this method is not supported by all registry
            Map types = routeContext.lookupByType(type);
            if (types.size() == 1) {
                // only one policy defined so use it
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        return this;
    }

    @Override
    public Processor createProcessor(RouteContext routeContext) throws Exception {
        Policy policy = resolvePolicy(routeContext);
        ObjectHelper.notNull(policy, "policy", this);

        // before wrap
        policy.beforeWrap(routeContext, this);

        // create processor after the before wrap
        Processor childProcessor = this.createChildProcessor(routeContext, true);

        // wrap
        Processor target = policy.wrap(routeContext, childProcessor);

        // wrap the target so it becomes a service and we can manage its lifecycle
        WrapProcessor wrap = new WrapProcessor(target, childProcessor);
        return wrap;
    }
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Related Classes of org.apache.camel.spi.Policy

  • org.apache.camel.component.jms.TransactedJmsRouteTest
  • org.apache.camel.component.jms.tx.QueueToProcessorTransactionTest
  • org.apache.camel.component.jms.tx.QueueToQueueRequestReplyTransactionTest
  • org.apache.camel.component.jms.tx.QueueToQueueTransactionTest
  • org.apache.camel.model.PolicyDefinition
  • org.apache.camel.model.PolicyRef
  • org.apache.camel.model.TransactedDefinition
  • org.apache.camel.processor.PolicyPerProcessorTest
  • org.apache.camel.processor.PolicyPerRouteTest
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