| /** |
| * 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.file; |
| |
| import org.apache.camel.ContextTestSupport; |
| import org.apache.camel.Exchange; |
| import org.apache.camel.Processor; |
| import org.apache.camel.builder.RouteBuilder; |
| |
| /** |
| * Unit test to test CAMEL-1652 |
| * |
| * @version |
| */ |
| public class FileBatchConsumerMemoryLeakTest extends ContextTestSupport { |
| |
| private String fileUrl = "file://target/filesorter/"; |
| |
| @Override |
| protected void setUp() throws Exception { |
| deleteDirectory("target/filesorter"); |
| super.setUp(); |
| } |
| |
| @Override |
| public boolean isUseRouteBuilder() { |
| return false; |
| } |
| |
| public void testDummy() { |
| // need a single test method to not fail because of no test methods |
| } |
| |
| /** |
| * Process 100 files with a sorted file endpoint. For each exchange the body will be replaced |
| * by a large buffer. In reality a similar thing happens if you have a lot of large files |
| * and use convertBodyTo(String.class). In both cases the Exchanges becomes quite large. |
| * The test will consume a lot of memory if all exchanges are kept in a list while doing |
| * the batch processing. This is because the garbage collector can not clean them as they |
| * are referenced in the list of exchanges. |
| * <p/> |
| * The test is not really a good integration test as it simply waits and does not fail |
| * or succeed fast |
| */ |
| public void xxxtestMemoryLeak() throws Exception { |
| // run this manually and browse the memory usage, eg in IDEA there is a Statistics tab |
| |
| deleteDirectory("target/filesorter/archiv"); |
| for (int c = 0; c < 100; c++) { |
| template.sendBodyAndHeader(fileUrl + "c", "test", Exchange.FILE_NAME, c + ".dat"); |
| } |
| context.addRoutes(new RouteBuilder() { |
| @Override |
| public void configure() throws Exception { |
| from(fileUrl + "c/?sortBy=ignoreCase:file:name") |
| .process(new Processor() { |
| public void process(Exchange exchange) throws Exception { |
| StringBuilder buf = new StringBuilder(10000000); |
| buf.setLength(1000000); |
| exchange.getIn().setBody(buf.toString()); |
| } |
| }).to("file:target/filesorter/archiv"); |
| } |
| }); |
| context.start(); |
| |
| Thread.sleep(30 * 1000L); |
| } |
| |
| } |