/**
* 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.ArrayBlockingQueue;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
import org.apache.camel.ContextTestSupport;
import org.apache.camel.Exchange;
import org.apache.camel.Header;
import org.apache.camel.Message;
import org.apache.camel.Processor;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.processor.aggregate.AggregationStrategy;
public class MultiCastAggregatorTest extends ContextTestSupport {
public void testMulticastReceivesItsOwnExchangeParallelly() throws Exception {
sendingAMessageUsingMulticastReceivesItsOwnExchange(true);
}
public void testMulticastReceivesItsOwnExchangeSequentially() throws Exception {
sendingAMessageUsingMulticastReceivesItsOwnExchange(false);
}
private void sendingAMessageUsingMulticastReceivesItsOwnExchange(boolean isParallel) throws Exception {
MockEndpoint result = getMockEndpoint("mock:result");
result.expectedBodiesReceived("inputx+inputy+inputz");
String url;
if (isParallel) {
url = "direct:parallel";
} else {
url = "direct:sequential";
}
Exchange exchange = template.send(url, new Processor() {
public void process(Exchange exchange) {
Message in = exchange.getIn();
in.setBody("input");
in.setHeader("foo", "bar");
}
});
assertNotNull("We should get result here", exchange);
assertEquals("Can't get the right result", "inputx+inputy+inputz", exchange.getOut().getBody(String.class));
assertMockEndpointsSatisfied();
}
protected RouteBuilder createRouteBuilder() {
return new RouteBuilder() {
public void configure() {
ThreadPoolExecutor tpExecutor = new ThreadPoolExecutor(1, 1, 0, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
// START SNIPPET: example
// The message will be sent parallelly to the endpoints
from("direct:parallel")
.multicast(new BodyOutAggregatingStrategy(), true).setThreadPoolExecutor(tpExecutor)
.to("direct:x", "direct:y", "direct:z");
// Multicast the message in a sequential way
from("direct:sequential").multicast(new BodyOutAggregatingStrategy()).to("direct:x", "direct:y", "direct:z");
from("direct:x").process(new AppendingProcessor("x")).to("direct:aggregator");
from("direct:y").process(new AppendingProcessor("y")).to("direct:aggregator");
from("direct:z").process(new AppendingProcessor("z")).to("direct:aggregator");
from("direct:aggregator").aggregator(header("cheese"), new BodyInAggregatingStrategy()).
completedPredicate(header(Exchange.AGGREGATED_COUNT).isEqualTo(3)).to("mock:result");
// END SNIPPET: example
}
};
}
}