Example usage for org.springframework.web.context.request.async WebAsyncManager getConcurrentResultContext

Introduction

In this page you can find the example usage for org.springframework.web.context.request.async WebAsyncManager getConcurrentResultContext.

Prototype

public Object[] getConcurrentResultContext() 

Source Link

Document

Provides access to additional processing context saved at the start of concurrent handling.

Usage

From source file:co.paralleluniverse.springframework.web.servlet.mvc.method.annotation.FiberRequestMappingHandlerAdapter.java

/**
 * Invoke the {@link RequestMapping} handler method preparing a {@link ModelAndView}
 * if view resolution is required.//  w  ww . j  av  a2  s  .  co  m
 */
private ModelAndView invokeHandleMethod(HttpServletRequest request, HttpServletResponse response,
        HandlerMethod handlerMethod) throws Exception {
    ServletWebRequest webRequest = new ServletWebRequest(request, response);

    WebDataBinderFactory binderFactory = getDataBinderFactory(handlerMethod);
    ModelFactory modelFactory = getModelFactory(handlerMethod, binderFactory);
    FiberServletInvocableHandlerMethod requestMappingMethod = createRequestMappingMethod(handlerMethod,
            binderFactory);

    ModelAndViewContainer mavContainer = new ModelAndViewContainer();
    mavContainer.addAllAttributes(RequestContextUtils.getInputFlashMap(request));
    modelFactory.initModel(webRequest, mavContainer, requestMappingMethod);
    mavContainer.setIgnoreDefaultModelOnRedirect(this.ignoreDefaultModelOnRedirect);

    AsyncWebRequest asyncWebRequest = WebAsyncUtils.createAsyncWebRequest(request, response);
    asyncWebRequest.setTimeout(this.asyncRequestTimeout);

    final WebAsyncManager asyncManager = WebAsyncUtils.getAsyncManager(request);
    asyncManager.setTaskExecutor(this.taskExecutor);
    asyncManager.setAsyncWebRequest(asyncWebRequest);
    asyncManager.registerCallableInterceptors(this.callableInterceptors);
    asyncManager.registerDeferredResultInterceptors(this.deferredResultInterceptors);

    if (asyncManager.hasConcurrentResult()) {
        Object result = asyncManager.getConcurrentResult();
        mavContainer = (ModelAndViewContainer) asyncManager.getConcurrentResultContext()[0];
        asyncManager.clearConcurrentResult();

        if (logger.isDebugEnabled()) {
            logger.debug("Found concurrent result value [" + result + "]");
        }
        requestMappingMethod = requestMappingMethod.wrapConcurrentResult(result);
    }

    requestMappingMethod.invokeAndHandle(webRequest, mavContainer);

    if (asyncManager.isConcurrentHandlingStarted()) {
        return null;
    }

    return getModelAndView(mavContainer, modelFactory, webRequest);
}

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