Example usage for org.springframework.integration.endpoint AbstractEndpoint setComponentName

Introduction

In this page you can find the example usage for org.springframework.integration.endpoint AbstractEndpoint setComponentName.

Prototype

public void setComponentName(String componentName) 

Source Link

Document

Sets the name of this component.

Usage

From source file:org.springframework.xd.module.core.CompositeModule.java

@Override
public void initialize() {
    List<AbstractEndpoint> endpoints = new ArrayList<AbstractEndpoint>();
    MessageChannel previousOutputChannel = null;
    for (int i = 0; i < this.modules.size(); i++) {
        Module module = this.modules.get(i);
        module.initialize();/*from  w  w w . j  a  v  a 2  s. c  o  m*/
        MessageChannel inputChannel = module.getComponent("input", MessageChannel.class);
        MessageChannel outputChannel = module.getComponent("output", MessageChannel.class);
        if (i == 0 && inputChannel != null) {
            // this will act as THE input for the composite module
            // if the first module has no input, the composite is a source
            this.context.getBeanFactory().registerSingleton("input", inputChannel);
        }
        if (i > 0) {
            // first module MAY have 'input', all others MUST
            Assert.notNull(inputChannel, "each module after the first must provide 'input'");
        }
        if (previousOutputChannel != null) {
            BridgeHandler handler = new BridgeHandler();
            handler.setBeanFactory(this.context.getBeanFactory());
            handler.setOutputChannel(inputChannel);
            handler.afterPropertiesSet();
            ConsumerEndpointFactoryBean bridgeFactoryBean = new ConsumerEndpointFactoryBean();
            bridgeFactoryBean.setInputChannel(previousOutputChannel);
            bridgeFactoryBean.setHandler(handler);
            try {
                // TODO: might not be necessary to pass this context, but the FB requires non-null
                bridgeFactoryBean.setBeanFactory(this.context.getBeanFactory());
                bridgeFactoryBean.afterPropertiesSet();
                AbstractEndpoint endpoint = bridgeFactoryBean.getObject();
                endpoints.add(endpoint);
                this.context.getBeanFactory().registerSingleton("bridge-" + i, endpoint);
                endpoint.setComponentName("bridge-" + i);
                endpoint.afterPropertiesSet();
            } catch (Exception e) {
                throw new IllegalStateException("failed to start bridge for CompositeModule", e);
            }
        }
        if (i < this.modules.size() - 1) {
            // last module MAY have 'output', all others MUST
            Assert.notNull(outputChannel, "each module before the last must provide 'output'");
        }
        previousOutputChannel = outputChannel;
        if (i == this.modules.size() - 1 && outputChannel != null) {
            // this will act as THE output for the composite module
            // if the final module has no outputChannel, the composite is a sink
            this.context.getBeanFactory().registerSingleton("output", outputChannel);
        }
    }
    for (int i = endpoints.size() - 1; i >= 0; i--) {
        endpoints.get(i).start();
    }
    initContext();
    if (logger.isInfoEnabled()) {
        logger.info("initialized module: " + this.toString());
    }
}

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