/**
* 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.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 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);
Map<Integer, Future<?>> responses = new ConcurrentHashMap<Integer, Future<?>>();
for (int i = 0; i < files; i++) {
final int index = i;
Future<?> out = executor.submit(new Callable<Object>() {
public Object call() throws Exception {
int id = (index % 3) + 1;
return template.requestBody("direct:simple", "" + id);
}
});
responses.put(index, out);
}
assertMockEndpointsSatisfied();
assertEquals(files, responses.size());
for (int i = 0; i < files; i++) {
List<?> rows = assertIsInstanceOf(List.class, 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");
}
};
}
}