SplitterShareUnitOfWorkCompletionAwareTest.java

/**
 * 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 org.apache.camel.ContextTestSupport;
import org.apache.camel.Exchange;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.processor.aggregate.CompletionAwareAggregationStrategy;

/**
 * @version 
 */
public class SplitterShareUnitOfWorkCompletionAwareTest extends ContextTestSupport {

    public void testCompletionAware() throws Exception {
        getMockEndpoint("mock:line").expectedBodiesReceived("A", "B", "C");
        getMockEndpoint("mock:result").expectedBodiesReceived("A+B+C");
        getMockEndpoint("mock:result").expectedHeaderReceived("foo", "bar");

        template.sendBody("direct:start", "A,B,C");

        assertMockEndpointsSatisfied();
    }

    protected RouteBuilder createRouteBuilder() {
        return new RouteBuilder() {
            public void configure() {
                from("direct:start")
                    .split(body(), new MyStrategy()).shareUnitOfWork()
                        .to("mock:line")
                    .end()
                    .to("mock:result");
            }
        };
    }

    private class MyStrategy implements CompletionAwareAggregationStrategy {

        @Override
        public Exchange aggregate(Exchange oldExchange, Exchange newExchange) {
            if (oldExchange == null) {
                return newExchange;
            }
            String body = oldExchange.getIn().getBody() + "+" + newExchange.getIn().getBody();
            oldExchange.getIn().setBody(body);
            return oldExchange;
        }

        @Override
        public void onCompletion(Exchange exchange) {
            exchange.getIn().setHeader("foo", "bar");
        }
    }

}