Examples with StandardServletAsyncWebRequest org.springframework.web.context.request.async.StandardServletAsyncWebRequest used on opensource projects

Example 6 with StandardServletAsyncWebRequest

use of org.springframework.web.context.request.async.StandardServletAsyncWebRequest in project spring-framework by spring-projects.

the class OpenEntityManagerInViewTests method testOpenEntityManagerInViewInterceptorAsyncScenario.

@Test
public void testOpenEntityManagerInViewInterceptorAsyncScenario() throws Exception {
    // Initial request thread
    OpenEntityManagerInViewInterceptor interceptor = new OpenEntityManagerInViewInterceptor();
    interceptor.setEntityManagerFactory(factory);
    given(factory.createEntityManager()).willReturn(this.manager);
    interceptor.preHandle(this.webRequest);
    assertTrue(TransactionSynchronizationManager.hasResource(factory));
    AsyncWebRequest asyncWebRequest = new StandardServletAsyncWebRequest(this.request, this.response);
    WebAsyncManager asyncManager = WebAsyncUtils.getAsyncManager(this.webRequest);
    asyncManager.setTaskExecutor(new SyncTaskExecutor());
    asyncManager.setAsyncWebRequest(asyncWebRequest);
    asyncManager.startCallableProcessing(new Callable<String>() {

        @Override
        public String call() throws Exception {
            return "anything";
        }
    });
    interceptor.afterConcurrentHandlingStarted(this.webRequest);
    assertFalse(TransactionSynchronizationManager.hasResource(factory));
    // Async dispatch thread
    interceptor.preHandle(this.webRequest);
    assertTrue(TransactionSynchronizationManager.hasResource(factory));
    asyncManager.clearConcurrentResult();
    // check that further invocations simply participate
    interceptor.preHandle(new ServletWebRequest(request));
    interceptor.preHandle(new ServletWebRequest(request));
    interceptor.postHandle(new ServletWebRequest(request), null);
    interceptor.afterCompletion(new ServletWebRequest(request), null);
    interceptor.postHandle(new ServletWebRequest(request), null);
    interceptor.afterCompletion(new ServletWebRequest(request), null);
    interceptor.preHandle(new ServletWebRequest(request));
    interceptor.postHandle(new ServletWebRequest(request), null);
    interceptor.afterCompletion(new ServletWebRequest(request), null);
    interceptor.postHandle(this.webRequest, null);
    assertTrue(TransactionSynchronizationManager.hasResource(factory));
    given(this.manager.isOpen()).willReturn(true);
    interceptor.afterCompletion(this.webRequest, null);
    assertFalse(TransactionSynchronizationManager.hasResource(factory));
    verify(this.manager).close();
}