| /** |
| * 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.processor.aggregator; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.concurrent.Callable; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| import org.apache.camel.ContextTestSupport; |
| import org.apache.camel.Exchange; |
| import org.apache.camel.builder.RouteBuilder; |
| import org.apache.camel.component.mock.MockEndpoint; |
| import org.apache.camel.processor.aggregate.AggregationStrategy; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * @version |
| */ |
| public class AggregatorConcurrencyTest extends ContextTestSupport { |
| |
| private static final transient Logger LOG = LoggerFactory.getLogger(AggregatorConcurrencyTest.class); |
| |
| private static final AtomicInteger COUNTER = new AtomicInteger(0); |
| private static final AtomicInteger SUM = new AtomicInteger(0); |
| |
| private final int size = 100; |
| private final String uri = "direct:start"; |
| |
| public void testAggregateConcurrency() throws Exception { |
| int total = 0; |
| ExecutorService service = Executors.newFixedThreadPool(20); |
| List<Callable<Object>> tasks = new ArrayList<Callable<Object>>(); |
| for (int i = 0; i < size; i++) { |
| final int count = i; |
| total += i; |
| tasks.add(new Callable<Object>() { |
| public Object call() throws Exception { |
| template.sendBodyAndHeader(uri, "Hello World", "index", count); |
| return null; |
| } |
| }); |
| } |
| |
| MockEndpoint mock = getMockEndpoint("mock:result"); |
| mock.expectedMessageCount(1); |
| mock.expectedBodiesReceived(total); |
| mock.expectedHeaderReceived("total", total); |
| mock.expectedPropertyReceived(Exchange.AGGREGATED_SIZE, size); |
| |
| // submit all tasks |
| service.invokeAll(tasks); |
| |
| assertMockEndpointsSatisfied(); |
| |
| assertEquals(100, COUNTER.get()); |
| // Need to shutdown the threadpool |
| service.shutdownNow(); |
| } |
| |
| @Override |
| protected RouteBuilder createRouteBuilder() throws Exception { |
| return new RouteBuilder() { |
| public void configure() throws Exception { |
| from(uri) |
| .aggregate(constant(true), new AggregationStrategy() { |
| public Exchange aggregate(Exchange oldExchange, Exchange newExchange) { |
| Exchange answer = oldExchange != null ? oldExchange : newExchange; |
| COUNTER.getAndIncrement(); |
| |
| Integer newIndex = newExchange.getIn().getHeader("index", Integer.class); |
| int total = SUM.addAndGet(newIndex); |
| answer.getIn().setHeader("total", total); |
| |
| LOG.debug("Index: " + newIndex + ". Total so far: " + total); |
| return answer; |
| } |
| }).completionTimeout(60000).completionPredicate(property(Exchange.AGGREGATED_SIZE).isEqualTo(100)) |
| .to("direct:foo"); |
| |
| from("direct:foo").setBody().header("total").to("mock:result"); |
| } |
| }; |
| } |
| } |