/*
* Copyright 2015 the original author or authors.
*
* Licensed 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.springframework.integration.samples.barrier2;
import java.util.Collection;
import org.springframework.messaging.MessagingException;
/**
* @author Gary Russell
* @since 4.2
*
*/
public class Aggregator {
public Object aggregate(Collection<Object> results) {
for (Object o : results) {
if (o instanceof MessagingException) {
return new ConsolidatedResultsException(results);
}
}
return results;
}
@SuppressWarnings("serial")
public static class ConsolidatedResultsException extends RuntimeException {
private final Collection<Object> results;
public ConsolidatedResultsException(Collection<Object> results) {
this.results = results;
}
public Collection<Object> getResults() {
return results;
}
@Override
public String toString() {
return "ConsolidatedResultsException\n[results=\n" + results.toString().replaceAll(", ", "\n") + "\n]";
}
}
}