| /** |
| * 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; |
| |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| |
| import org.apache.camel.builder.RouteBuilder; |
| import org.apache.camel.impl.DefaultEndpoint; |
| import org.apache.camel.impl.DefaultExchange; |
| import org.apache.camel.impl.SynchronizationAdapter; |
| |
| /** |
| * |
| */ |
| public class UnitOfWorkSyncProcessTest extends ContextTestSupport { |
| |
| private static String consumerThread; |
| private static String afterThread; |
| private static String taskThread; |
| private static String doneThread; |
| private ExecutorService executorService = Executors.newSingleThreadExecutor(); |
| |
| public void testUnitOfWorkSync() throws Exception { |
| getMockEndpoint("mock:result").expectedMessageCount(1); |
| |
| assertMockEndpointsSatisfied(); |
| |
| // should be same thread |
| assertEquals(taskThread, afterThread); |
| // should not be same |
| assertNotSame(doneThread, afterThread); |
| assertNotSame(doneThread, consumerThread); |
| // should be same thread |
| assertEquals(consumerThread, doneThread); |
| |
| executorService.shutdownNow(); |
| } |
| |
| @Override |
| protected RouteBuilder createRouteBuilder() throws Exception { |
| return new RouteBuilder() { |
| @Override |
| public void configure() throws Exception { |
| from(new MyEndpoint()) |
| .process(new AsyncProcessor() { |
| @Override |
| public boolean process(final Exchange exchange, final AsyncCallback callback) { |
| executorService.submit(new Runnable() { |
| @Override |
| public void run() { |
| taskThread = Thread.currentThread().getName(); |
| try { |
| Thread.sleep(100); |
| } catch (InterruptedException e) { |
| // ignore |
| } |
| exchange.getIn().setHeader("foo", 123); |
| callback.done(false); |
| } |
| }); |
| |
| return false; |
| } |
| |
| @Override |
| public void process(Exchange exchange) throws Exception { |
| // noop |
| } |
| }) |
| .process(new Processor() { |
| @Override |
| public void process(Exchange exchange) throws Exception { |
| afterThread = Thread.currentThread().getName(); |
| } |
| }) |
| .to("mock:result"); |
| } |
| }; |
| } |
| |
| private final class MyEndpoint extends DefaultEndpoint { |
| |
| @Override |
| public Producer createProducer() throws Exception { |
| // not supported |
| return null; |
| } |
| |
| @Override |
| public Consumer createConsumer(Processor processor) throws Exception { |
| return new MyConsumer(this, processor); |
| } |
| |
| @Override |
| protected String createEndpointUri() { |
| return "myEndpoint://foo"; |
| } |
| |
| @Override |
| public boolean isSingleton() { |
| return true; |
| } |
| |
| } |
| |
| private final class MyConsumer implements Consumer { |
| private Processor processor; |
| private Endpoint endpoint; |
| |
| private MyConsumer(Endpoint endpoint, Processor processor) { |
| this.endpoint = endpoint; |
| this.processor = processor; |
| } |
| |
| @Override |
| public Endpoint getEndpoint() { |
| return endpoint; |
| } |
| |
| @Override |
| public void start() throws Exception { |
| consumerThread = Thread.currentThread().getName(); |
| |
| Exchange exchange = new DefaultExchange(context); |
| exchange.setProperty(Exchange.UNIT_OF_WORK_PROCESS_SYNC, true); |
| exchange.addOnCompletion(new SynchronizationAdapter() { |
| @Override |
| public void onDone(Exchange exchange) { |
| doneThread = Thread.currentThread().getName(); |
| } |
| }); |
| |
| // just fire the exchange when started |
| processor.process(exchange); |
| } |
| |
| @Override |
| public void stop() throws Exception { |
| // noop |
| } |
| } |
| } |