From 723c66ea036b5bc53ddeee0005e335cffff16a45 Mon Sep 17 00:00:00 2001
From: Stefan Suhren <suhren.stefan@fh-swf.de>
Date: Mon, 23 Nov 2015 14:42:32 +0100
Subject: Use singleton for EntityManagerFactory

---
 src/beans/UserManager.java | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

(limited to 'src/beans/UserManager.java')

diff --git a/src/beans/UserManager.java b/src/beans/UserManager.java
index 190926b..36fd807 100644
--- a/src/beans/UserManager.java
+++ b/src/beans/UserManager.java
@@ -16,11 +16,10 @@ import java.util.List;
 import javax.faces.bean.ManagedBean;
 import javax.faces.bean.SessionScoped;
 import javax.persistence.EntityManager;
-import javax.persistence.EntityManagerFactory;
 import javax.persistence.EntityTransaction;
-import javax.persistence.Persistence;
 import javax.persistence.Query;
 
+import jpa.EntityManagerFactorySingleton;
 import jpa.User;
 
 @ManagedBean(name = "UserManager")
@@ -43,9 +42,8 @@ public class UserManager
             && current.getPassword() != null
             && current.getPassword().length() > 0)
       {
-         EntityManagerFactory factory = Persistence
-               .createEntityManagerFactory("catalog");
-         EntityManager manager = factory.createEntityManager();
+         EntityManager manager = EntityManagerFactorySingleton.getInstance()
+               .getEntityManagerFactory().createEntityManager();
          Query query = manager.createQuery(
                "SELECT u FROM User u where u.username = :username and u.password = :password");
          query.setParameter("username", current.getUsername());
@@ -58,6 +56,8 @@ public class UserManager
             current = (User) results.get(0);
             outcome = "success";
          }
+
+         manager.close();
       }
       // System.out.println(outcome);
       return outcome;
@@ -97,9 +97,8 @@ public class UserManager
 
    public User getCurrent()
    {
-      EntityManagerFactory factory = Persistence
-            .createEntityManagerFactory("catalog");
-      EntityManager manager = factory.createEntityManager();
+      EntityManager manager = EntityManagerFactorySingleton.getInstance()
+            .getEntityManagerFactory().createEntityManager();
 
       EntityTransaction tx = manager.getTransaction();
       tx.begin();
@@ -115,6 +114,8 @@ public class UserManager
          tx.rollback();
       }
 
+      manager.close();
+
       return current;
    }
 }
-- 
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