/*
* 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.ops4j.pax.cdi.extension;
import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;
import javax.inject.Inject;
import java.util.concurrent.atomic.AtomicInteger;
import org.ops4j.pax.cdi.api.Component;
import org.ops4j.pax.cdi.api.Immediate;
import org.ops4j.pax.cdi.api.Service;
import org.junit.Assert;
import org.junit.Test;
import org.osgi.framework.ServiceRegistration;
public class MandatoryReferenceTest extends AbstractTest {
@Test
public void test() throws Exception {
createCdi(Hello.class);
Assert.assertEquals(0, Hello.created.get());
Assert.assertEquals(0, Hello.destroyed.get());
ServiceRegistration<MyService> registration = register(MyService.class, new MyService() {
@Override
public String hello() {
return "Hello world !!";
}
});
Assert.assertEquals(1, Hello.created.get());
Assert.assertEquals(0, Hello.destroyed.get());
registration.unregister();
Assert.assertEquals(1, Hello.created.get());
Assert.assertEquals(1, Hello.destroyed.get());
}
public interface MyService {
String hello();
}
@Immediate @Component
public static class Hello {
static final AtomicInteger created = new AtomicInteger();
static final AtomicInteger destroyed = new AtomicInteger();
@Inject @Service
MyService service;
@PostConstruct
public void init() {
created.incrementAndGet();
System.err.println("Creating Hello instance");
}
@PreDestroy
public void destroy() {
destroyed.incrementAndGet();
System.err.println("Destroying Hello instance");
}
public String sayHelloWorld() {
return service.hello();
}
}
}