| /** |
| * 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.Consumer; |
| import org.apache.camel.ContextTestSupport; |
| import org.apache.camel.Endpoint; |
| import org.apache.camel.Exchange; |
| import org.apache.camel.builder.RouteBuilder; |
| import org.apache.camel.component.mock.MockEndpoint; |
| import org.apache.camel.impl.JndiRegistry; |
| import org.apache.camel.spi.PollingConsumerPollStrategy; |
| import org.apache.camel.util.ObjectHelper; |
| |
| /** |
| * Unit test for poll strategy |
| */ |
| public class FileConsumerPollStrategyStopOnRollbackTest extends ContextTestSupport { |
| |
| private static int counter; |
| private static volatile String event = ""; |
| |
| private String fileUrl = "file://target/pollstrategy/?pollStrategy=#myPoll"; |
| |
| @Override |
| protected JndiRegistry createRegistry() throws Exception { |
| JndiRegistry jndi = super.createRegistry(); |
| jndi.bind("myPoll", new MyPollStrategy()); |
| return jndi; |
| } |
| |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| deleteDirectory("target/pollstrategy"); |
| template.sendBodyAndHeader("file:target/pollstrategy/", "Hello World", Exchange.FILE_NAME, "hello.txt"); |
| } |
| |
| public void testStopOnRollback() throws Exception { |
| MockEndpoint mock = getMockEndpoint("mock:result"); |
| mock.expectedMessageCount(0); |
| |
| // let it run for a little while and since it fails first time we should never get a message |
| mock.assertIsSatisfied(2000); |
| |
| assertEquals("rollback", event); |
| } |
| |
| protected RouteBuilder createRouteBuilder() throws Exception { |
| return new RouteBuilder() { |
| public void configure() throws Exception { |
| from(fileUrl).convertBodyTo(String.class).to("mock:result"); |
| } |
| }; |
| } |
| |
| private class MyPollStrategy implements PollingConsumerPollStrategy { |
| |
| public boolean begin(Consumer consumer, Endpoint endpoint) { |
| // start consumer as we simulate the fail in begin |
| // and thus before camel lazy start it itself |
| try { |
| consumer.start(); |
| } catch (Exception e) { |
| ObjectHelper.wrapRuntimeCamelException(e); |
| } |
| |
| if (counter++ == 0) { |
| // simulate an error on first poll |
| throw new IllegalArgumentException("Damn I cannot do this"); |
| } |
| |
| return true; |
| } |
| |
| public void commit(Consumer consumer, Endpoint endpoint, int polledMessages) { |
| event += "commit"; |
| } |
| |
| public boolean rollback(Consumer consumer, Endpoint endpoint, int retryCounter, Exception cause) throws Exception { |
| if (cause.getMessage().equals("Damn I cannot do this")) { |
| event += "rollback"; |
| // stop consumer as it does not work |
| consumer.stop(); |
| } |
| return false; |
| } |
| } |
| |
| } |