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package test.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import javax.annotation.Resource;
import javax.inject.Inject;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.PersistenceUnit;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.transaction.UserTransaction;
import test.beans.TestBeanInterface;
import test.beans.artifacts.Preferred;
import test.beans.artifacts.TestDatabase;
import test.util.JpaTest;
@WebServlet(name = "mytest", urlPatterns = { "/myurl" })
public class JPAResourceInjectionServlet extends HttpServlet {
@PersistenceUnit(unitName = "pu2")
private EntityManagerFactory emf;
@Inject
@TestDatabase
private EntityManagerFactory emf1;
private @Resource
UserTransaction utx;
@Inject
@Preferred
TestBeanInterface tbi;
protected void doGet(HttpServletRequest request,
HttpServletResponse response) throws ServletException,
IOException {
PrintWriter writer = response.getWriter();
writer.write("Hello from Servlet 3.0.");
String msg = "";
System.out.println("JPAResourceInjectionServlet::@PersistenceUnit " +
"CDI EntityManagerFactory=" + emf1);
EntityManager em = emf1.createEntityManager();
System.out.println("JPAResourceInjectionServlet::createEM" +
"EntityManager=" + em);
String testcase = request.getParameter("testcase");
System.out.println("testcase=" + testcase);
if (testcase != null) {
JpaTest jt = new JpaTest(em, utx);
boolean status = false;
if ("llinit".equals(testcase)) {
status = jt.lazyLoadingInit();
} else if ("llfind".equals(testcase)) {
status = jt.lazyLoadingByFind(1);
} else if ("llquery".equals(testcase)) {
status = jt.lazyLoadingByQuery("Carla");
} else if ("llinj".equals(testcase)){
status = ((tbi != null) &&
(tbi.testDatasourceInjection().trim().length()==0));
}
if (status) {
msg += "";// pass
} else {
msg += (testcase + ":fail");
}
}
writer.write(msg + "\n");
}
}