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package org.glassfish.jersey.tests.e2e.server;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.container.AsyncResponse;
import javax.ws.rs.container.Suspended;
import javax.ws.rs.core.Application;
import javax.ws.rs.core.Response;
import javax.inject.Inject;
import org.glassfish.jersey.internal.inject.AbstractBinder;
import org.glassfish.jersey.internal.inject.DisposableSupplier;
import org.glassfish.jersey.process.internal.RequestScoped;
import org.glassfish.jersey.server.ResourceConfig;
import org.glassfish.jersey.test.JerseyTest;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
/**
* JERSEY-2677 reproducer - test, that {@code Factory.dispose()} is correctly called for both sync and async cases.
*
* @author Adam Lindenthal (adam.lindenthal at oracle.com)
*/
public class RequestScopedAndAsyncTest extends JerseyTest {
private static final Logger LOGGER = Logger.getLogger(RequestScopedAndAsyncTest.class.getName());
// latch to prevent, that the balance is checked before dispose() is called
private static CountDownLatch cdl;
public static class Injectable {
private String message = "Hello";
public String getMessage() {
return message;
}
}
public static class InjectableFactory implements DisposableSupplier<Injectable> {
private static AtomicInteger provided = new AtomicInteger(0);
private static AtomicInteger balance = new AtomicInteger(0);
@Override
public Injectable get() {
LOGGER.fine("Factory provide() called.");
provided.incrementAndGet();
balance.incrementAndGet();
return new Injectable();
}
@Override
public void dispose(Injectable i) {
LOGGER.fine("Factory dispose() called. ");
balance.decrementAndGet();
cdl.countDown();
}
public static void reset() {
LOGGER.fine("Factory reset() called.");
provided.set(0);
balance.set(0);
cdl = new CountDownLatch(1);
}
public static int getProvidedCount() {
return provided.intValue();
}
public static int getBalanceValue() {
return balance.intValue();
}
}
@Path("test")
public static class TestResource {
@Inject
private Injectable injectable;
@GET
@Path("sync")
public Response sync() {
LOGGER.fine("Injected message: " + injectable.getMessage());
return Response.noContent().build();
}
@GET
@Path("async")
public void async(@Suspended AsyncResponse ar) {
LOGGER.fine("Injected message: " + injectable.getMessage());
ar.resume(Response.noContent().build());
}
}
@Before
public void resetCounters() {
InjectableFactory.reset();
}
@Override
protected Application configure() {
return new ResourceConfig(TestResource.class)
.register(new AbstractBinder() {
@Override
protected void configure() {
bindFactory(InjectableFactory.class)
.to(Injectable.class)
.in(RequestScoped.class);
}
});
}
@Test
public void testInstanceReleaseAsync() throws ExecutionException, InterruptedException {
Future<Response> future = target("/test/async").request().async().get();
Response response = future.get();
assertEquals(204, response.getStatus());
assertEquals(1, InjectableFactory.getProvidedCount());
try {
cdl.await(500, TimeUnit.MILLISECONDS);
} catch (final InterruptedException e) {
LOGGER.log(Level.INFO, "CountDownLatch interrupted: ", e);
}
assertEquals(0, InjectableFactory.getBalanceValue());
}
@Test
public void testInstanceReleaseSync() {
assertEquals(204, target("/test/sync").request().get().getStatus());
assertEquals(1, InjectableFactory.getProvidedCount());
assertEquals(0, InjectableFactory.getBalanceValue());
}
@Test
public void shouldProvideAndDisposeSync2() {
assertEquals(204, target("/test/sync").request().get().getStatus());
assertEquals(1, InjectableFactory.getProvidedCount());
assertEquals(0, InjectableFactory.getBalanceValue());
}
@Test
public void shouldProvideAndDisposeAsync2() throws ExecutionException, InterruptedException {
assertEquals(204, target("/test/async").request().get().getStatus());
assertEquals(1, InjectableFactory.getProvidedCount());
try {
cdl.await(500, TimeUnit.MILLISECONDS);
} catch (final InterruptedException e) {
LOGGER.log(Level.INFO, "CountDownLatch interrupted: ", e);
}
assertEquals(0, InjectableFactory.getBalanceValue());
}
}