| /** |
| * 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.jpa; |
| |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| import org.apache.camel.CamelContext; |
| import org.apache.camel.Endpoint; |
| import org.apache.camel.Exchange; |
| import org.apache.camel.Message; |
| import org.apache.camel.Processor; |
| import org.apache.camel.component.mock.MockEndpoint; |
| import org.apache.camel.processor.idempotent.jpa.MessageProcessed; |
| import org.apache.camel.spring.SpringCamelContext; |
| import org.apache.camel.spring.SpringRouteBuilder; |
| import org.apache.camel.test.junit4.CamelTestSupport; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.springframework.context.ApplicationContext; |
| import org.springframework.context.support.ClassPathXmlApplicationContext; |
| import org.springframework.orm.jpa.JpaTemplate; |
| import org.springframework.orm.jpa.JpaTransactionManager; |
| import org.springframework.transaction.TransactionDefinition; |
| import org.springframework.transaction.TransactionStatus; |
| import org.springframework.transaction.support.TransactionCallback; |
| import org.springframework.transaction.support.TransactionTemplate; |
| |
| import static org.apache.camel.processor.idempotent.jpa.JpaMessageIdRepository.jpaMessageIdRepository; |
| |
| /** |
| * @version |
| */ |
| public class JpaIdempotentConsumerTest extends CamelTestSupport { |
| protected static final String SELECT_ALL_STRING = "select x from " + MessageProcessed.class.getName() + " x where x.processorName = ?1"; |
| protected static final String PROCESSOR_NAME = "myProcessorName"; |
| |
| protected ApplicationContext applicationContext; |
| protected JpaTemplate jpaTemplate; |
| protected Endpoint startEndpoint; |
| protected MockEndpoint resultEndpoint; |
| |
| @Override |
| protected CamelContext createCamelContext() throws Exception { |
| applicationContext = new ClassPathXmlApplicationContext("org/apache/camel/processor/jpa/spring.xml"); |
| cleanupRepository(); |
| return SpringCamelContext.springCamelContext(applicationContext); |
| } |
| |
| @Override |
| public boolean isUseRouteBuilder() { |
| return false; |
| } |
| |
| @SuppressWarnings("unchecked") |
| protected void cleanupRepository() { |
| jpaTemplate = (JpaTemplate)applicationContext.getBean("jpaTemplate", JpaTemplate.class); |
| |
| TransactionTemplate transactionTemplate = new TransactionTemplate(); |
| transactionTemplate.setTransactionManager(new JpaTransactionManager(jpaTemplate.getEntityManagerFactory())); |
| transactionTemplate.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRED); |
| |
| transactionTemplate.execute(new TransactionCallback() { |
| public Object doInTransaction(TransactionStatus arg0) { |
| List list = jpaTemplate.find(SELECT_ALL_STRING, PROCESSOR_NAME); |
| for (Object item : list) { |
| jpaTemplate.remove(item); |
| } |
| jpaTemplate.flush(); |
| return Boolean.TRUE; |
| } |
| }); |
| } |
| |
| @Override |
| @Before |
| public void setUp() throws Exception { |
| super.setUp(); |
| startEndpoint = resolveMandatoryEndpoint("direct:start"); |
| resultEndpoint = getMockEndpoint("mock:result"); |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Test |
| public void testDuplicateMessagesAreFilteredOut() throws Exception { |
| context.addRoutes(new SpringRouteBuilder() { |
| @Override |
| public void configure() throws Exception { |
| // START SNIPPET: idempotent |
| from("direct:start").idempotentConsumer( |
| header("messageId"), |
| jpaMessageIdRepository(lookup(JpaTemplate.class), PROCESSOR_NAME) |
| ).to("mock:result"); |
| // END SNIPPET: idempotent |
| } |
| }); |
| context.start(); |
| |
| resultEndpoint.expectedBodiesReceived("one", "two", "three"); |
| |
| sendMessage("1", "one"); |
| sendMessage("2", "two"); |
| sendMessage("1", "one"); |
| sendMessage("2", "two"); |
| sendMessage("1", "one"); |
| sendMessage("3", "three"); |
| |
| assertMockEndpointsSatisfied(); |
| |
| // all 3 messages should be in jpa repo |
| Set<String> ids = new HashSet<String>(); |
| List<MessageProcessed> list = jpaTemplate.find(SELECT_ALL_STRING, PROCESSOR_NAME); |
| for (MessageProcessed item : list) { |
| ids.add(item.getMessageId()); |
| } |
| |
| assertEquals(3, ids.size()); |
| assertTrue("Should contain message 1", ids.contains("1")); |
| assertTrue("Should contain message 2", ids.contains("2")); |
| assertTrue("Should contain message 3", ids.contains("3")); |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Test |
| public void testFailedExchangesNotAdded() throws Exception { |
| context.addRoutes(new SpringRouteBuilder() { |
| @Override |
| public void configure() throws Exception { |
| errorHandler(deadLetterChannel("mock:error").maximumRedeliveries(0).redeliveryDelay(0).logStackTrace(false)); |
| |
| from("direct:start").idempotentConsumer( |
| header("messageId"), |
| jpaMessageIdRepository(lookup(JpaTemplate.class), PROCESSOR_NAME) |
| ).process(new Processor() { |
| public void process(Exchange exchange) throws Exception { |
| String id = exchange.getIn().getHeader("messageId", String.class); |
| if (id.equals("2")) { |
| throw new IllegalArgumentException("Damn I cannot handle id 2"); |
| } |
| } |
| }).to("mock:result"); |
| } |
| }); |
| context.start(); |
| |
| // we send in 2 messages with id 2 that fails |
| getMockEndpoint("mock:error").expectedMessageCount(2); |
| resultEndpoint.expectedBodiesReceived("one", "three"); |
| |
| sendMessage("1", "one"); |
| sendMessage("2", "two"); |
| sendMessage("1", "one"); |
| sendMessage("2", "two"); |
| sendMessage("1", "one"); |
| sendMessage("3", "three"); |
| |
| assertMockEndpointsSatisfied(); |
| |
| // only message 1 and 3 should be in jpa repo |
| Set<String> ids = new HashSet<String>(); |
| List<MessageProcessed> list = jpaTemplate.find(SELECT_ALL_STRING, PROCESSOR_NAME); |
| for (MessageProcessed item : list) { |
| ids.add(item.getMessageId()); |
| } |
| |
| assertEquals(2, ids.size()); |
| assertTrue("Should contain message 1", ids.contains("1")); |
| assertTrue("Should contain message 3", ids.contains("3")); |
| } |
| |
| protected void sendMessage(final Object messageId, final Object body) { |
| template.send(startEndpoint, new Processor() { |
| public void process(Exchange exchange) { |
| // now lets fire in a message |
| Message in = exchange.getIn(); |
| in.setBody(body); |
| in.setHeader("messageId", messageId); |
| } |
| }); |
| } |
| |
| } |