Example usage for org.springframework.integration.dsl.context IntegrationFlowContext registration

Introduction

In this page you can find the example usage for org.springframework.integration.dsl.context IntegrationFlowContext registration.

Prototype

IntegrationFlowRegistrationBuilder registration(IntegrationFlow integrationFlow);

Source Link

Document

Associate provided IntegrationFlow with an IntegrationFlowRegistrationBuilder for additional options and farther registration in the application context.

Usage

From source file:org.springframework.batch.integration.partition.RemotePartitioningWorkerStepBuilder.java

/**
 * Create an {@link IntegrationFlow} with a {@link StepExecutionRequestHandler}
 * configured as a service activator listening to the input channel and replying
 * on the output channel.//  w  w  w  .  j a va 2s . c  o m
 */
private void configureWorkerIntegrationFlow() {
    Assert.notNull(this.inputChannel, "An InputChannel must be provided");
    Assert.notNull(this.jobExplorer, "A JobExplorer must be provided");

    if (this.stepLocator == null) {
        BeanFactoryStepLocator beanFactoryStepLocator = new BeanFactoryStepLocator();
        beanFactoryStepLocator.setBeanFactory(this.beanFactory);
        this.stepLocator = beanFactoryStepLocator;
    }
    if (this.outputChannel == null) {
        if (logger.isDebugEnabled()) {
            logger.debug("The output channel is set to a NullChannel. "
                    + "The master step must poll the job repository for workers status.");
        }
        this.outputChannel = new NullChannel();
    }

    StepExecutionRequestHandler stepExecutionRequestHandler = new StepExecutionRequestHandler();
    stepExecutionRequestHandler.setJobExplorer(this.jobExplorer);
    stepExecutionRequestHandler.setStepLocator(this.stepLocator);

    StandardIntegrationFlow standardIntegrationFlow = IntegrationFlows.from(this.inputChannel)
            .handle(stepExecutionRequestHandler, SERVICE_ACTIVATOR_METHOD_NAME).channel(this.outputChannel)
            .get();
    IntegrationFlowContext integrationFlowContext = this.beanFactory.getBean(IntegrationFlowContext.class);
    integrationFlowContext.registration(standardIntegrationFlow).autoStartup(false).register();
}

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