| /** |
| * 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.io.BufferedWriter; |
| import java.io.File; |
| import java.io.FileWriter; |
| import java.io.Writer; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.camel.ContextTestSupport; |
| import org.apache.camel.Exchange; |
| import org.apache.camel.builder.NotifyBuilder; |
| import org.apache.camel.builder.RouteBuilder; |
| import org.apache.camel.processor.aggregate.AggregationStrategy; |
| import org.apache.camel.util.StopWatch; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * |
| */ |
| public class AggregateSimpleExpressionIssueTest extends ContextTestSupport { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(AggregateSimpleExpressionIssueTest.class); |
| private static final String DATA = "100,200,1,123456,2010-03-01T12:13:14,100,USD,Best Buy,5045,Santa Monica,CA,Type\n"; |
| |
| private MyBean myBean = new MyBean(); |
| private AggStrategy aggStrategy = new AggStrategy(); |
| |
| @Override |
| protected void setUp() throws Exception { |
| deleteDirectory("target/files"); |
| super.setUp(); |
| } |
| |
| public void testDummy() throws Exception { |
| // noop |
| } |
| |
| // Enable me for manual unit testing |
| public void xxxtestAggregateSimpleExpression() throws Exception { |
| // 10 files + 10 files * 100 batches |
| int files = 10; |
| int rows = 100000; |
| int batches = rows / 1000; |
| int total = files + (files * rows) + (files * batches); |
| LOG.info("There are " + total + " exchanges"); |
| NotifyBuilder notify = new NotifyBuilder(context).whenDone(total).create(); |
| |
| LOG.info("Writing 10 files with 100000 rows in each file"); |
| // write 10 files of 100k rows |
| for (int i = 0; i < files; i++) { |
| Writer out = new BufferedWriter(new FileWriter(new File("target/files", "data" + i))); |
| for (int j = 0; j < rows; j++) { |
| out.write(DATA); |
| } |
| out.close(); |
| } |
| |
| // start the route |
| StopWatch watch = new StopWatch(); |
| context.startRoute("foo"); |
| |
| LOG.info("Waiting to process all the files"); |
| boolean matches = notify.matches(3, TimeUnit.MINUTES); |
| LOG.info("Should process all files " + matches); |
| |
| LOG.info("Time taken " + watch.taken() + " ms"); |
| } |
| |
| @Override |
| protected RouteBuilder createRouteBuilder() throws Exception { |
| return new RouteBuilder() { |
| @Override |
| public void configure() throws Exception { |
| from("file:target/files").routeId("foo").noAutoStartup() |
| .log("Picked up ${file:name}") |
| .split().tokenize("\n").streaming() |
| .aggregate(constant(true), aggStrategy) |
| .completionSize(simple("1000")).completionTimeout(simple("500")) |
| .bean(myBean) |
| .end() |
| .end(); |
| } |
| }; |
| } |
| |
| public static final class MyBean { |
| private volatile int cnt; |
| |
| public void invoke(final List<String> strList) { |
| LOG.info("Batch " + (++cnt)); |
| } |
| } |
| |
| public static final class AggStrategy implements AggregationStrategy { |
| |
| private final int batchSize = 1000; |
| |
| @SuppressWarnings("unchecked") |
| public Exchange aggregate(Exchange oldExchange, Exchange newExchange) { |
| String str = newExchange.getIn().getBody(String.class); |
| |
| if (oldExchange == null) { |
| List<String> list = new ArrayList<String>(batchSize); |
| list.add(str); |
| newExchange.getIn().setBody(list); |
| return newExchange; |
| } |
| |
| List<String> list = oldExchange.getIn().getBody(List.class); |
| list.add(str); |
| |
| return oldExchange; |
| } |
| |
| } |
| |
| } |