/*
* Copyright 2002-2016 the original author or authors.
*
* Licensed 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.springframework.integration.jdbc;
import static org.hamcrest.Matchers.contains;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertThat;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.support.AbstractApplicationContext;
import org.springframework.integration.annotation.ServiceActivator;
import org.springframework.messaging.Message;
import org.springframework.test.annotation.DirtiesContext;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
/**
* @author Gunnar Hillert
* @author Gary Russell
*/
@ContextConfiguration
@RunWith(SpringJUnit4ClassRunner.class)
@DirtiesContext // close at the end after class
public class StoredProcPollingChannelAdapterWithNamespaceIntegrationTests {
@Autowired
private AbstractApplicationContext context;
@Autowired
private Consumer consumer;
@SuppressWarnings("unchecked")
@Test
public void pollH2DatabaseUsingStoredProcedureCall() throws Exception {
List<Message<?>> received = new ArrayList<Message<?>>();
received.add(consumer.poll(60000));
Message<?> message = received.get(0);
context.stop();
assertNotNull(message);
assertNotNull(message.getPayload());
assertNotNull(message.getPayload() instanceof Collection<?>);
List<Integer> primeNumbers = (List<Integer>) message.getPayload();
assertThat(primeNumbers, contains(2, 3, 5, 7));
}
static class Counter {
private final AtomicInteger count = new AtomicInteger();
public Integer next() throws InterruptedException {
if (count.get() > 2) {
// prevent message overload
return null;
}
return Integer.valueOf(count.incrementAndGet());
}
}
static class Consumer {
private final BlockingQueue<Message<?>> messages = new LinkedBlockingQueue<Message<?>>();
@ServiceActivator
public void receive(Message<?> message) {
messages.add(message);
}
Message<?> poll(long timeoutInMillis) throws InterruptedException {
return messages.poll(timeoutInMillis, TimeUnit.MILLISECONDS);
}
}
}