| /** |
| * 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.component.leveldb; |
| |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| import org.apache.camel.Exchange; |
| import org.apache.camel.Processor; |
| import org.apache.camel.builder.RouteBuilder; |
| import org.apache.camel.processor.aggregate.AggregationStrategy; |
| import org.apache.camel.test.junit4.CamelTestSupport; |
| import org.junit.Test; |
| |
| public class LevelDBAggregateRecoverWithSedaTest extends CamelTestSupport { |
| |
| private static AtomicInteger counter = new AtomicInteger(0); |
| private LevelDBAggregationRepository repo; |
| |
| @Override |
| public void setUp() throws Exception { |
| deleteDirectory("target/data"); |
| repo = new LevelDBAggregationRepository("repo1", "target/data/leveldb.dat"); |
| // enable recovery |
| repo.setUseRecovery(true); |
| // check faster |
| repo.setRecoveryInterval(500, TimeUnit.MILLISECONDS); |
| super.setUp(); |
| } |
| |
| @Test |
| public void testLevelDBAggregateRecoverWithSeda() throws Exception { |
| // should fail the first 2 times and then recover |
| getMockEndpoint("mock:aggregated").expectedMessageCount(3); |
| getMockEndpoint("mock:result").expectedBodiesReceived("ABCDE"); |
| // should be marked as redelivered |
| getMockEndpoint("mock:result").message(0).header(Exchange.REDELIVERED).isEqualTo(Boolean.TRUE); |
| // on the 2nd redelivery attempt we success |
| getMockEndpoint("mock:result").message(0).header(Exchange.REDELIVERY_COUNTER).isEqualTo(2); |
| |
| template.sendBodyAndHeader("direct:start", "A", "id", 123); |
| template.sendBodyAndHeader("direct:start", "B", "id", 123); |
| template.sendBodyAndHeader("direct:start", "C", "id", 123); |
| template.sendBodyAndHeader("direct:start", "D", "id", 123); |
| template.sendBodyAndHeader("direct:start", "E", "id", 123); |
| |
| assertMockEndpointsSatisfied(30, TimeUnit.SECONDS); |
| } |
| |
| @Override |
| protected RouteBuilder createRouteBuilder() throws Exception { |
| return new RouteBuilder() { |
| @Override |
| public void configure() throws Exception { |
| from("direct:start") |
| .aggregate(header("id"), new MyAggregationStrategy()) |
| .completionSize(5).aggregationRepository(repo) |
| .log("aggregated exchange id ${exchangeId} with ${body}") |
| .to("mock:aggregated") |
| .to("seda:foo") |
| .end(); |
| |
| // should be able to recover when we send over SEDA as its a OnCompletion |
| // which confirms the exchange when its complete. |
| from("seda:foo") |
| .delay(1000) |
| // simulate errors the first two times |
| .process(new Processor() { |
| public void process(Exchange exchange) throws Exception { |
| int count = counter.incrementAndGet(); |
| if (count <= 2) { |
| throw new IllegalArgumentException("Damn"); |
| } |
| } |
| }) |
| .to("mock:result"); |
| } |
| }; |
| } |
| |
| public static class MyAggregationStrategy implements AggregationStrategy { |
| |
| public Exchange aggregate(Exchange oldExchange, Exchange newExchange) { |
| if (oldExchange == null) { |
| return newExchange; |
| } |
| String body1 = oldExchange.getIn().getBody(String.class); |
| String body2 = newExchange.getIn().getBody(String.class); |
| |
| oldExchange.getIn().setBody(body1 + body2); |
| return oldExchange; |
| } |
| } |
| } |