CamelSplitAggTimeoutTest & ArrayListAggregationStrategy - take #2

gistfile1.txt

public class CamelSplitAggTimeoutTest extends CamelTestSupport {

  @Test
  public void test() throws Exception {
    template.sendBody("direct:start", "A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z");
    Thread.sleep(10_000);
  }

  @Override
  protected RoutesBuilder createRouteBuilder() throws Exception {
    return new RouteBuilder() {
      @Override
      public void configure() throws Exception {
        from("direct:start")
          .onCompletion()
            .process(exchange -> {
              log.info("We should be done #1");
            })
          .end()

          .split(body().tokenize(",")).streaming()
            .aggregate(constant(true), new ArrayListAggregationStrategy())
              .completionSize(3)
              .completionPredicate(header("CamelSplitComplete"))
              .eagerCheckCompletion()

              .process(exchange -> {
                log.info("batch content: {}", exchange.getIn().getBody());
              })
            .end()
          .end()

          .process(exchange -> {
            log.info("We should be done #2");
          })
        ;
      }
    };
  }
}

//

public class ArrayListAggregationStrategy implements AggregationStrategy {

  @Override
  public Exchange aggregate(Exchange oldExchange, Exchange newExchange) {
    Object newBody = newExchange.getIn().getBody();
    ArrayList<Object> list = null;

    if (oldExchange == null) {
      list = new ArrayList<Object>();
      list.add(newBody);
      newExchange.getIn().setBody(list);
      return newExchange;
    }
    else {
      list = oldExchange.getIn().getBody(ArrayList.class);
      list.add(newBody);
      return oldExchange;
    }
  }
}