/**
* 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;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
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;
/**
* @version
*/
public class MulticastParallelStressTest extends ContextTestSupport {
public void testTwoMulticast() throws Exception {
MockEndpoint mock = getMockEndpoint("mock:result");
mock.expectedBodiesReceived("ABCD", "ABCD");
mock.expectsAscending().header("id");
template.sendBodyAndHeader("direct:start", "", "id", 1);
template.sendBodyAndHeader("direct:start", "", "id", 2);
assertMockEndpointsSatisfied();
}
public void testMoreMulticast() throws Exception {
MockEndpoint mock = getMockEndpoint("mock:result");
mock.expectedMessageCount(20);
mock.expectsAscending().header("id");
for (int i = 0; i < 20; i++) {
template.sendBodyAndHeader("direct:start", "", "id", i);
}
assertMockEndpointsSatisfied();
}
public void testConcurrencyParallelMulticast() throws Exception {
MockEndpoint mock = getMockEndpoint("mock:result");
mock.expectedMessageCount(20);
// this time we cannot expect in order but there should be no duplicates
mock.expectsNoDuplicates(header("id"));
ExecutorService executor = Executors.newFixedThreadPool(10);
for (int i = 0; i < 20; i++) {
final int index = i;
executor.submit(new Callable<Object>() {
public Object call() throws Exception {
template.sendBodyAndHeader("direct:start", "", "id", index);
return null;
}
});
}
assertMockEndpointsSatisfied();
executor.shutdownNow();
}
@Override
protected RouteBuilder createRouteBuilder() throws Exception {
return new RouteBuilder() {
@Override
public void configure() throws Exception {
from("direct:start")
.multicast(new AggregationStrategy() {
public Exchange aggregate(Exchange oldExchange, Exchange newExchange) {
if (oldExchange == null) {
return newExchange;
}
String body = oldExchange.getIn().getBody(String.class);
oldExchange.getIn().setBody(body + newExchange.getIn().getBody(String.class));
return oldExchange;
}
}).parallelProcessing()
.to("direct:a", "direct:b", "direct:c", "direct:d")
// use end to indicate end of multicast route
.end()
.to("mock:result");
from("direct:a").delay(20).setBody(body().append("A"));
from("direct:b").setBody(body().append("B"));
from("direct:c").delay(50).setBody(body().append("C"));
from("direct:d").delay(10).setBody(body().append("D"));
}
};
}
}