| /** |
| * 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.jdbc; |
| |
| import java.util.List; |
| import java.util.Map; |
| import java.util.concurrent.Callable; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.Future; |
| import javax.sql.DataSource; |
| |
| import org.apache.camel.builder.RouteBuilder; |
| import org.apache.camel.impl.JndiRegistry; |
| import org.apache.camel.test.junit4.CamelTestSupport; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.springframework.jdbc.core.JdbcTemplate; |
| import org.springframework.jdbc.datasource.DriverManagerDataSource; |
| |
| /** |
| * @version |
| */ |
| public class JdbcProducerConcurrenctTest extends CamelTestSupport { |
| |
| protected DataSource ds; |
| private String driverClass = "org.hsqldb.jdbcDriver"; |
| private String url = "jdbc:hsqldb:mem:camel_jdbc"; |
| private String user = "sa"; |
| private String password = ""; |
| |
| @Test |
| public void testNoConcurrentProducers() throws Exception { |
| doSendMessages(1, 1); |
| } |
| |
| @Test |
| public void testConcurrentProducers() throws Exception { |
| doSendMessages(10, 5); |
| } |
| |
| @SuppressWarnings("rawtypes") |
| private void doSendMessages(int files, int poolSize) throws Exception { |
| getMockEndpoint("mock:result").expectedMessageCount(files); |
| |
| ExecutorService executor = Executors.newFixedThreadPool(poolSize); |
| Map<Integer, Future<Object>> responses = new ConcurrentHashMap<Integer, Future<Object>>(); |
| for (int i = 0; i < files; i++) { |
| final int index = i; |
| Future<Object> out = executor.submit(new Callable<Object>() { |
| public Object call() throws Exception { |
| int id = index % 2; |
| return template.requestBody("direct:start", "select * from customer where id = " + id); |
| } |
| }); |
| responses.put(index, out); |
| } |
| |
| assertMockEndpointsSatisfied(); |
| |
| assertEquals(files, responses.size()); |
| |
| for (int i = 0; i < files; i++) { |
| List rows = (List) responses.get(i).get(); |
| Map columns = (Map) rows.get(0); |
| if (i % 2 == 0) { |
| assertEquals("jstrachan", columns.get("NAME")); |
| } else { |
| assertEquals("nsandhu", columns.get("NAME")); |
| } |
| } |
| executor.shutdownNow(); |
| } |
| |
| protected JndiRegistry createRegistry() throws Exception { |
| JndiRegistry reg = super.createRegistry(); |
| reg.bind("testdb", ds); |
| return reg; |
| } |
| |
| protected RouteBuilder createRouteBuilder() throws Exception { |
| return new RouteBuilder() { |
| public void configure() throws Exception { |
| from("direct:start").to("jdbc:testdb").to("mock:result"); |
| } |
| }; |
| } |
| |
| @Before |
| public void setUp() throws Exception { |
| DriverManagerDataSource dataSource = new DriverManagerDataSource(url, user, password); |
| dataSource.setDriverClassName(driverClass); |
| ds = dataSource; |
| |
| JdbcTemplate jdbc = new JdbcTemplate(ds); |
| jdbc.execute("create table customer (id varchar(15), name varchar(10))"); |
| jdbc.execute("insert into customer values('0','jstrachan')"); |
| jdbc.execute("insert into customer values('1','nsandhu')"); |
| super.setUp(); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| super.tearDown(); |
| JdbcTemplate jdbc = new JdbcTemplate(ds); |
| jdbc.execute("drop table customer"); |
| } |
| |
| } |