SplitterParallelIssueTest.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.issues;

import org.apache.camel.ContextTestSupport;
import org.apache.camel.Exchange;
import org.apache.camel.Processor;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.processor.aggregate.UseLatestAggregationStrategy;

/**
 *
 */
public class SplitterParallelIssueTest extends ContextTestSupport {

    private int size = 20;
    private int delay = 100;

    public void testSplitParallel() throws Exception {
        MockEndpoint mock = getMockEndpoint("mock:end");
        mock.expectedMessageCount(size);
        int time = Math.max(10000, size * 2 * delay);
        mock.setResultWaitTime(time);

        for (int i = 0; i < size; i++) {
            final int num = i;
            new Thread(new Runnable() {
                public void run() {
                    template.sendBody("direct:start", "" + num);
                }
            }).start();
        }

        assertMockEndpointsSatisfied();
    }

    @Override
    protected RouteBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            @Override
            public void configure() throws Exception {
                from("direct:start")
                        .log("Start ${body}")
                        .split(body().tokenize("@"), new UseLatestAggregationStrategy()).parallelProcessing().streaming()
                        .process(new Processor() {
                            @Override
                            public void process(Exchange exchange) throws Exception {
                                int num = exchange.getIn().getBody(int.class);
                                final long sleep = num * delay;
                                log.info("Sleep for " + sleep + "ms");
                                Thread.sleep(sleep);
                            }
                        })
                        .end()
                        .log("End ${body}")
                        .to("mock:end");
            }
        };
    }

}