| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.camel.component.jetty; |
| |
| import org.apache.camel.Exchange; |
| import org.apache.camel.ExchangePattern; |
| import org.apache.camel.Processor; |
| import org.apache.camel.WaitForTaskToComplete; |
| import org.apache.camel.builder.RouteBuilder; |
| import org.apache.camel.test.junit4.CamelTestSupport; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| /** |
| * @version $Revision$ |
| */ |
| public class JettyAsyncWithThreadsTest extends CamelTestSupport { |
| |
| private static final String ENDPOINT_NAME = "http://localhost:9876/asyncRouteTest"; |
| private static String route = ""; |
| |
| @Before |
| public void setUp() throws Exception { |
| super.setUp(); |
| route = ""; |
| } |
| |
| @Test |
| public void testAsyncNoWaitRouteExchange() throws Exception { |
| getMockEndpoint("mock:foo").expectedBodiesReceived("Hello World"); |
| getMockEndpoint("mock:result").expectedBodiesReceived("Bye World"); |
| |
| // send an in out to the direct endpoint using the classic API |
| Exchange exchange = template.send(ENDPOINT_NAME, new Processor() { |
| public void process(Exchange exchange) throws Exception { |
| exchange.setPattern(ExchangePattern.InOut); |
| exchange.getIn().setBody("Hello"); |
| } |
| }); |
| |
| route += "A"; |
| |
| assertMockEndpointsSatisfied(); |
| |
| Object out = exchange.getOut().getBody(); |
| assertNotNull(out); |
| |
| // camel-jetty waits for the future task to complete as it needs to stream a reply |
| // back to the http client |
| assertEquals("BA", route); |
| |
| // get the response from the future |
| String response = context.getTypeConverter().convertTo(String.class, out); |
| assertEquals("Bye World", response); |
| } |
| |
| @Test |
| public void testAsyncNoWaitRoute() throws Exception { |
| getMockEndpoint("mock:foo").expectedBodiesReceived("Hello World"); |
| getMockEndpoint("mock:result").expectedBodiesReceived("Bye World"); |
| |
| // send a request reply to the direct start endpoint |
| Object out = template.requestBody(ENDPOINT_NAME, "Hello"); |
| |
| route += "A"; |
| |
| assertMockEndpointsSatisfied(); |
| |
| // camel-jetty waits for the future task to complete as it needs to stream a reply |
| // back to the http client |
| assertEquals("BA", route); |
| |
| // get the response from the future |
| String response = context.getTypeConverter().convertTo(String.class, out); |
| assertEquals("Bye World", response); |
| } |
| |
| @Test |
| public void testAsyncRouteNoWaitWithTypeConverted() throws Exception { |
| getMockEndpoint("mock:foo").expectedBodiesReceived("Hello World"); |
| getMockEndpoint("mock:result").expectedBodiesReceived("Bye World"); |
| |
| // send a request reply to the direct start endpoint, but will use |
| // future type converter that will wait for the response, even though the async |
| // is set to not wait. As the type converter will wait for us |
| String response = template.requestBody(ENDPOINT_NAME, "Hello", String.class); |
| |
| // we should wait for the async response as we ask for the result as a String body |
| route += "A"; |
| |
| assertMockEndpointsSatisfied(); |
| |
| assertEquals("Bye World", response); |
| assertEquals("BA", route); |
| } |
| |
| @Override |
| protected RouteBuilder createRouteBuilder() throws Exception { |
| return new RouteBuilder() { |
| @Override |
| public void configure() throws Exception { |
| // we start this route async |
| from("jetty:" + ENDPOINT_NAME) |
| // we play a bit with the message |
| .transform(body().append(" World")) |
| // now turn the route into async from this point forward |
| // the caller will have a Future<Exchange> returned as response in OUT |
| // to be used to grab the async response when he fell like it |
| // we do not want to wait for tasks to be complete so we instruct Camel |
| // to not wait, and therefore Camel returns the Future<Exchange> handle we |
| // can use to get the result when we want |
| .threads().waitForTaskToComplete(WaitForTaskToComplete.Never) |
| // from this point forward this is the async route doing its work |
| // so we do a bit of delay to simulate heavy work that takes time |
| .to("mock:foo") |
| .delay(100) |
| // and we also work with the message so we can prepare a response |
| .process(new MyProcessor()) |
| // and we use mocks for unit testing |
| .to("mock:result"); |
| } |
| }; |
| } |
| |
| public static class MyProcessor implements Processor { |
| |
| public MyProcessor() { |
| } |
| |
| public void process(Exchange exchange) throws Exception { |
| route += "B"; |
| assertEquals("Hello World", exchange.getIn().getBody()); |
| exchange.getOut().setBody("Bye World"); |
| } |
| } |
| } |