Example usage for org.springframework.integration.channel MessagePublishingErrorHandler setBeanFactory

Introduction

In this page you can find the example usage for org.springframework.integration.channel MessagePublishingErrorHandler setBeanFactory.

Prototype

@Override
    public void setBeanFactory(BeanFactory beanFactory) 

Source Link

Usage

From source file:org.springframework.integration.config.annotation.AbstractMethodAnnotationPostProcessor.java

protected void configurePollingEndpoint(AbstractPollingEndpoint pollingEndpoint, List<Annotation> annotations) {
    PollerMetadata pollerMetadata = null;
    Poller[] pollers = MessagingAnnotationUtils.resolveAttribute(annotations, "poller", Poller[].class);
    if (!ObjectUtils.isEmpty(pollers)) {
        Assert.state(pollers.length == 1,
                "The 'poller' for an Annotation-based endpoint can have only one '@Poller'.");
        Poller poller = pollers[0];//from   w w w .jav  a 2  s . com

        String ref = poller.value();
        String triggerRef = poller.trigger();
        String executorRef = poller.taskExecutor();
        String fixedDelayValue = this.beanFactory.resolveEmbeddedValue(poller.fixedDelay());
        String fixedRateValue = this.beanFactory.resolveEmbeddedValue(poller.fixedRate());
        String maxMessagesPerPollValue = this.beanFactory.resolveEmbeddedValue(poller.maxMessagesPerPoll());
        String cron = this.beanFactory.resolveEmbeddedValue(poller.cron());
        String errorChannel = this.beanFactory.resolveEmbeddedValue(poller.errorChannel());

        if (StringUtils.hasText(ref)) {
            Assert.state(!StringUtils.hasText(triggerRef) && !StringUtils.hasText(executorRef)
                    && !StringUtils.hasText(cron) && !StringUtils.hasText(fixedDelayValue)
                    && !StringUtils.hasText(fixedRateValue) && !StringUtils.hasText(maxMessagesPerPollValue),
                    "The '@Poller' 'ref' attribute is mutually exclusive with other attributes.");
            pollerMetadata = this.beanFactory.getBean(ref, PollerMetadata.class);
        } else {
            pollerMetadata = new PollerMetadata();
            if (StringUtils.hasText(maxMessagesPerPollValue)) {
                pollerMetadata.setMaxMessagesPerPoll(Long.parseLong(maxMessagesPerPollValue));
            } else if (pollingEndpoint instanceof SourcePollingChannelAdapter) {
                // SPCAs default to 1 message per poll
                pollerMetadata.setMaxMessagesPerPoll(1);
            }

            if (StringUtils.hasText(executorRef)) {
                pollerMetadata.setTaskExecutor(this.beanFactory.getBean(executorRef, TaskExecutor.class));
            }

            Trigger trigger = null;
            if (StringUtils.hasText(triggerRef)) {
                Assert.state(
                        !StringUtils.hasText(cron) && !StringUtils.hasText(fixedDelayValue)
                                && !StringUtils.hasText(fixedRateValue),
                        "The '@Poller' 'trigger' attribute is mutually exclusive with other attributes.");
                trigger = this.beanFactory.getBean(triggerRef, Trigger.class);
            } else if (StringUtils.hasText(cron)) {
                Assert.state(!StringUtils.hasText(fixedDelayValue) && !StringUtils.hasText(fixedRateValue),
                        "The '@Poller' 'cron' attribute is mutually exclusive with other attributes.");
                trigger = new CronTrigger(cron);
            } else if (StringUtils.hasText(fixedDelayValue)) {
                Assert.state(!StringUtils.hasText(fixedRateValue),
                        "The '@Poller' 'fixedDelay' attribute is mutually exclusive with other attributes.");
                trigger = new PeriodicTrigger(Long.parseLong(fixedDelayValue));
            } else if (StringUtils.hasText(fixedRateValue)) {
                trigger = new PeriodicTrigger(Long.parseLong(fixedRateValue));
                ((PeriodicTrigger) trigger).setFixedRate(true);
            }
            //'Trigger' can be null. 'PollingConsumer' does fallback to the 'new PeriodicTrigger(10)'.
            pollerMetadata.setTrigger(trigger);

            if (StringUtils.hasText(errorChannel)) {
                MessagePublishingErrorHandler errorHandler = new MessagePublishingErrorHandler();
                errorHandler.setDefaultErrorChannelName(errorChannel);
                errorHandler.setBeanFactory(this.beanFactory);
                pollerMetadata.setErrorHandler(errorHandler);
            }
        }
    } else {
        pollerMetadata = PollerMetadata.getDefaultPollerMetadata(this.beanFactory);
        Assert.notNull(pollerMetadata, "No poller has been defined for Annotation-based endpoint, "
                + "and no default poller is available within the context.");
    }
    pollingEndpoint.setTaskExecutor(pollerMetadata.getTaskExecutor());
    pollingEndpoint.setTrigger(pollerMetadata.getTrigger());
    pollingEndpoint.setAdviceChain(pollerMetadata.getAdviceChain());
    pollingEndpoint.setMaxMessagesPerPoll(pollerMetadata.getMaxMessagesPerPoll());
    pollingEndpoint.setErrorHandler(pollerMetadata.getErrorHandler());
    if (pollingEndpoint instanceof PollingConsumer) {
        ((PollingConsumer) pollingEndpoint).setReceiveTimeout(pollerMetadata.getReceiveTimeout());
    }
    pollingEndpoint.setTransactionSynchronizationFactory(pollerMetadata.getTransactionSynchronizationFactory());
}

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