Use singleton for EntityManagerFactory

1 files changed, 5 insertions, 6 deletions

diff --git a/src/beans/ProductManager.java b/src/beans/ProductManager.java
index d499e3c..3442c52 100644
--- a/src/beans/ProductManager.java
+++ b/src/beans/ProductManager.java
@@ -16,10 +16,9 @@ import javax.faces.bean.ManagedBean;
 import javax.faces.bean.SessionScoped;
 import javax.faces.context.FacesContext;
 import javax.persistence.EntityManager;
-import javax.persistence.EntityManagerFactory;
 import javax.persistence.EntityTransaction;
-import javax.persistence.Persistence;
 
+import jpa.EntityManagerFactorySingleton;
 import jpa.Product;
 
 @ManagedBean(name = "ProductManager")
@@ -37,12 +36,11 @@ public class ProductManager
    {
       FacesContext facesContext = FacesContext.getCurrentInstance();
       Map params = facesContext.getExternalContext().getRequestParameterMap();
-      String selectedId = (String) params.get("selectedId");
+      int selectedId = Integer.valueOf((String) params.get("selectedId"), 10);
       // System.out.println(selectedId);
 
-      EntityManagerFactory factory = Persistence
-            .createEntityManagerFactory("catalog");
-      EntityManager manager = factory.createEntityManager();
+      EntityManager manager = EntityManagerFactorySingleton.getInstance()
+            .getEntityManagerFactory().createEntityManager();
 
       EntityTransaction tx = manager.getTransaction();
       tx.begin();
@@ -69,6 +67,7 @@ public class ProductManager
          e.printStackTrace();
       }
       context.responseComplete();
+      manager.close();
    }
 
 }