| /** |
| * 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.sql; |
| |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.concurrent.Callable; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.Future; |
| |
| import org.apache.camel.EndpointInject; |
| import org.apache.camel.builder.RouteBuilder; |
| import org.apache.camel.component.mock.MockEndpoint; |
| import org.apache.camel.test.junit4.CamelTestSupport; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.springframework.jdbc.datasource.embedded.EmbeddedDatabase; |
| import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseBuilder; |
| import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseType; |
| |
| /** |
| * @version |
| */ |
| public class SqlProducerConcurrentTest extends CamelTestSupport { |
| |
| @EndpointInject(uri = "mock:result") |
| private MockEndpoint mockEndpoint; |
| private EmbeddedDatabase db; |
| |
| @Test |
| public void testNoConcurrentProducers() throws Exception { |
| doSendMessages(1, 1); |
| } |
| |
| @Test |
| public void testConcurrentProducers() throws Exception { |
| doSendMessages(10, 5); |
| } |
| |
| private void doSendMessages(int files, int poolSize) throws Exception { |
| mockEndpoint.expectedMessageCount(files); |
| |
| ExecutorService executor = Executors.newFixedThreadPool(poolSize); |
| // we access the responses Map below only inside the main thread, |
| // so no need for a thread-safe Map implementation |
| Map<Integer, Future<List<?>>> responses = new HashMap<Integer, Future<List<?>>>(); |
| for (int i = 0; i < files; i++) { |
| final int index = i; |
| Future<List<?>> out = executor.submit(new Callable<List<?>>() { |
| public List<?> call() throws Exception { |
| int id = (index % 3) + 1; |
| return template.requestBody("direct:simple", "" + id, List.class); |
| } |
| }); |
| responses.put(index, out); |
| } |
| |
| assertMockEndpointsSatisfied(); |
| assertEquals(files, responses.size()); |
| |
| for (int i = 0; i < files; i++) { |
| List<?> rows = responses.get(i).get(); |
| Map<?, ?> columns = assertIsInstanceOf(Map.class, rows.get(0)); |
| if (i % 3 == 0) { |
| assertEquals("Camel", columns.get("PROJECT")); |
| } else if (i % 3 == 1) { |
| assertEquals("AMQ", columns.get("PROJECT")); |
| } else { |
| assertEquals("Linux", columns.get("PROJECT")); |
| } |
| } |
| executor.shutdownNow(); |
| } |
| |
| @Before |
| public void setUp() throws Exception { |
| db = new EmbeddedDatabaseBuilder() |
| .setType(EmbeddedDatabaseType.DERBY).addScript("sql/createAndPopulateDatabase.sql").build(); |
| |
| super.setUp(); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| super.tearDown(); |
| |
| db.shutdown(); |
| } |
| |
| @Override |
| protected RouteBuilder createRouteBuilder() throws Exception { |
| return new RouteBuilder() { |
| public void configure() { |
| getContext().getComponent("sql", SqlComponent.class).setDataSource(db); |
| |
| from("direct:simple").to("sql:select * from projects where id = # order by id").to("mock:result"); |
| } |
| }; |
| } |
| } |