/**
* 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 org.apache.camel.ContextTestSupport;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.processor.aggregate.AggregationStrategyBeanAdapter;
public class AggregationStrategyBeanAdapterAllowNullOldExchangeTest extends ContextTestSupport {
private MyBodyAppender appender = new MyBodyAppender();
private AggregationStrategyBeanAdapter myStrategy;
public void testAggregate() throws Exception {
getMockEndpoint("mock:result").expectedBodiesReceived("OldWasNullABC");
template.sendBody("direct:start", "A");
template.sendBody("direct:start", "B");
template.sendBody("direct:start", "C");
assertMockEndpointsSatisfied();
}
@Override
protected RouteBuilder createRouteBuilder() throws Exception {
return new RouteBuilder() {
@Override
public void configure() throws Exception {
myStrategy = new AggregationStrategyBeanAdapter(appender, "append");
myStrategy.setAllowNullOldExchange(true);
from("direct:start")
.aggregate(constant(true), myStrategy)
.completionSize(3)
.to("mock:result");
}
};
}
public static final class MyBodyAppender {
public String append(String existing, String next) {
if (existing == null) {
return "OldWasNull" + next;
}
if (next != null) {
return existing + next;
} else {
return existing;
}
}
}
}