/**
* 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.aggregator;
import java.util.Objects;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import org.apache.camel.ContextTestSupport;
import org.apache.camel.Exchange;
import org.apache.camel.builder.RouteBuilder;
public class AggregateDslTest extends ContextTestSupport {
public void testAggregate() throws Exception {
getMockEndpoint("mock:aggregated").expectedBodiesReceived("0,3", "1,4", "2,5");
getMockEndpoint("mock:aggregated-supplier").expectedBodiesReceived("0,3,6", "1,4,7", "2,5,8");
for (int i = 0; i < 9; i++) {
template.sendBodyAndHeader("direct:start", i, "type", i % 3);
template.sendBodyAndHeader("direct:start-supplier", i, "type", i % 3);
}
assertMockEndpointsSatisfied();
}
@Override
protected RouteBuilder createRouteBuilder() throws Exception {
return new RouteBuilder() {
@Override
public void configure() throws Exception {
from("direct:start")
.aggregate()
.message(m -> m.getHeader("type"))
.strategy()
.body(String.class, AggregateDslTest::joinString)
.completion()
.body(String.class, s -> s.split(",").length == 2)
.to("mock:aggregated");
from("direct:start-supplier")
.aggregate()
.header("type")
.strategy(AggregateDslTest::joinStringStrategy)
.completion()
.body(String.class, s -> s.split(",").length == 3)
.to("mock:aggregated-supplier");
}
};
}
// *************************************************************************
// Strategies
// *************************************************************************
private static String joinString(String o, String n) {
return Stream.of(o, n).filter(Objects::nonNull).collect(Collectors.joining(","));
}
private static Exchange joinStringStrategy(Exchange oldExchange, Exchange newExchange) {
newExchange.getIn().setBody(
joinString(
oldExchange != null ? oldExchange.getIn().getBody(String.class) : null,
newExchange.getIn().getBody(String.class))
);
return newExchange;
}
}