/**
* 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");
}
@Override
protected void setUp() throws Exception {
this.disableJMX();
super.setUp();
final DataSource ds = getMandatoryBean(DataSource.class, "dataSource");
jdbc = new JdbcTemplate(ds);
}
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");
fail("Should have thrown exception");
} 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");
}
};
}
}