| /** |
| * 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.spring.interceptor; |
| |
| import javax.sql.DataSource; |
| |
| import org.apache.camel.RuntimeCamelException; |
| import org.apache.camel.builder.RouteBuilder; |
| import org.apache.camel.spring.SpringRouteBuilder; |
| import org.apache.camel.spring.SpringTestSupport; |
| import org.springframework.context.support.AbstractXmlApplicationContext; |
| import org.springframework.context.support.ClassPathXmlApplicationContext; |
| import org.springframework.jdbc.core.JdbcTemplate; |
| |
| /** |
| * Unit test to demonstrate the transactional client pattern. |
| */ |
| public class MixedTransactionPropagationTest extends SpringTestSupport { |
| |
| protected JdbcTemplate jdbc; |
| |
| protected AbstractXmlApplicationContext createApplicationContext() { |
| return new ClassPathXmlApplicationContext( |
| "/org/apache/camel/spring/interceptor/MixedTransactionPropagationTest.xml"); |
| } |
| |
| protected int getExpectedRouteCount() { |
| return 0; |
| } |
| |
| @Override |
| protected void setUp() throws Exception { |
| this.disableJMX(); |
| super.setUp(); |
| |
| final DataSource ds = getMandatoryBean(DataSource.class, "dataSource"); |
| jdbc = new JdbcTemplate(ds); |
| jdbc.execute("create table books (title varchar(50))"); |
| jdbc.update("insert into books (title) values (?)", new Object[] {"Camel in Action"}); |
| } |
| |
| @Override |
| protected void tearDown() throws Exception { |
| super.tearDown(); |
| jdbc.execute("drop table books"); |
| this.enableJMX(); |
| } |
| |
| public void testOkay() throws Exception { |
| template.sendBody("direct:okay", "Hello World"); |
| |
| int count = jdbc.queryForInt("select count(*) from books"); |
| assertEquals("Number of books", 3, count); |
| } |
| |
| public void testFail() throws Exception { |
| try { |
| template.sendBody("direct:fail", "Hello World"); |
| } catch (RuntimeCamelException e) { |
| // expected as we fail |
| assertIsInstanceOf(RuntimeCamelException.class, e.getCause()); |
| assertTrue(e.getCause().getCause() instanceof IllegalArgumentException); |
| assertEquals("We don't have Donkeys, only Camels", e.getCause().getCause().getMessage()); |
| } |
| |
| int count = jdbc.queryForInt("select count(*) from books"); |
| assertEquals("Number of books", 1, count); |
| } |
| |
| public void testMixedRollbackOnlyLast() throws Exception { |
| template.sendBody("direct:mixed", "Hello World"); |
| |
| int count = jdbc.queryForInt("select count(*) from books"); |
| assertEquals("Number of books", 3, count); |
| |
| // assert correct books in database |
| assertEquals(1, jdbc.queryForInt("select count(*) from books where title = 'Camel in Action'")); |
| assertEquals(1, jdbc.queryForInt("select count(*) from books where title = 'Tiger in Action'")); |
| assertEquals(1, jdbc.queryForInt("select count(*) from books where title = 'Elephant in Action'")); |
| assertEquals(0, jdbc.queryForInt("select count(*) from books where title = 'Lion in Action'")); |
| assertEquals(0, jdbc.queryForInt("select count(*) from books where title = 'Donkey in Action'")); |
| } |
| |
| public void testMixedCommit() throws Exception { |
| template.sendBody("direct:mixed3", "Hello World"); |
| |
| int count = jdbc.queryForInt("select count(*) from books"); |
| assertEquals("Number of books", 5, count); |
| |
| // assert correct books in database |
| assertEquals(1, jdbc.queryForInt("select count(*) from books where title = 'Camel in Action'")); |
| assertEquals(1, jdbc.queryForInt("select count(*) from books where title = 'Tiger in Action'")); |
| assertEquals(1, jdbc.queryForInt("select count(*) from books where title = 'Elephant in Action'")); |
| assertEquals(1, jdbc.queryForInt("select count(*) from books where title = 'Lion in Action'")); |
| assertEquals(1, jdbc.queryForInt("select count(*) from books where title = 'Crocodile in Action'")); |
| } |
| |
| protected RouteBuilder createRouteBuilder() throws Exception { |
| return new SpringRouteBuilder() { |
| public void configure() throws Exception { |
| from("direct:okay") |
| .transacted("PROPAGATION_REQUIRED") |
| .setBody(constant("Tiger in Action")).beanRef("bookService") |
| .setBody(constant("Elephant in Action")).beanRef("bookService"); |
| |
| from("direct:fail") |
| .transacted("PROPAGATION_REQUIRED") |
| .setBody(constant("Tiger in Action")).beanRef("bookService") |
| .setBody(constant("Donkey in Action")).beanRef("bookService"); |
| |
| // START SNIPPET: e1 |
| from("direct:mixed") |
| // using required |
| .transacted("PROPAGATION_REQUIRED") |
| // all these steps will be okay |
| .setBody(constant("Tiger in Action")).beanRef("bookService") |
| .setBody(constant("Elephant in Action")).beanRef("bookService") |
| // continue on route 2 |
| .to("direct:mixed2"); |
| |
| from("direct:mixed2") |
| // tell Camel that if this route fails then only rollback this last route |
| // by using (rollback only *last*) |
| .onException(Exception.class).markRollbackOnlyLast().end() |
| // using a different propagation which is requires new |
| .transacted("PROPAGATION_REQUIRES_NEW") |
| // this step will be okay |
| .setBody(constant("Lion in Action")).beanRef("bookService") |
| // this step will fail with donkey |
| .setBody(constant("Donkey in Action")).beanRef("bookService"); |
| // END SNIPPET: e1 |
| |
| from("direct:mixed3") |
| // using required |
| .transacted("PROPAGATION_REQUIRED") |
| // all these steps will be okay |
| .setBody(constant("Tiger in Action")).beanRef("bookService") |
| .setBody(constant("Elephant in Action")).beanRef("bookService") |
| // continue on route 4 |
| .to("direct:mixed4"); |
| |
| from("direct:mixed4") |
| // tell Camel that if this route fails then only rollback this last route |
| // by using (rollback only *last*) |
| .onException(Exception.class).markRollbackOnlyLast().end() |
| // using a different propagation which is requires new |
| .transacted("PROPAGATION_REQUIRES_NEW") |
| // this step will be okay |
| .setBody(constant("Lion in Action")).beanRef("bookService") |
| // this step will be okay |
| .setBody(constant("Crocodile in Action")).beanRef("bookService"); |
| } |
| }; |
| } |
| |
| } |