Updated ProductDao.java and ProductDaoTest.java to use System.out instead of log4j.

Author: ximanta

src/main/java/guru/springframework/blog/hibernatepagination/dao/ProductDao.java

@@ -2,7 +2,6 @@
 
 import guru.springframework.blog.hibernatepagination.domain.Product;
 import guru.springframework.blog.hibernatepagination.util.HibernateUtil;
-import org.apache.log4j.Logger;
 import org.hibernate.*;
 import org.hibernate.criterion.Order;
 import org.hibernate.criterion.Projections;
@@ -11,7 +10,6 @@
 import java.util.List;
 
 public class ProductDao {
-    private Logger log = Logger.getLogger(ProductDao.class);
     public void saveProducts() {
         Session session = HibernateUtil.getSessionFactory().openSession();
         Transaction trans = null;
@@ -29,7 +27,7 @@ public void saveProducts() {
         } finally {
             session.close();
         }
-        log.info("Saved 30 products");
+        System.out.println("Saved 30 products");
     }
 
     public int listPaginatedProductsUsingQuery(int firstResult, int maxResults) {
@@ -42,9 +40,9 @@ public int listPaginatedProductsUsingQuery(int firstResult, int maxResults) {
             List<Product> products = (List<Product>) query.list();
             if (products != null) {
                 paginatedCount = products.size();
-                log.info("Total Results: " + paginatedCount);
+                System.out.println("Total Results: " + paginatedCount);
                 for (Product product : products) {
-                    log.info("Retrieved Product using Query. Name: " + product.getProductName());
+                    System.out.println("Retrieved Product using Query. Name: " + product.getProductName());
                 }
             }
 
@@ -68,9 +66,9 @@ public int listPaginatedProductsUsingCriteria(int firstResult, int maxResults) {
             List<Product> products = (List<Product>) criteria.list();
             if (products != null) {
                 paginatedCount = products.size();
-                log.info("Total Results: " + paginatedCount);
+                System.out.println("Total Results: " + paginatedCount);
                 for (Product product : products) {
-                    log.info("Retrieved Product using Criteria. Name: " + product.getProductName());
+                    System.out.println("Retrieved Product using Criteria. Name: " + product.getProductName());
                 }
             }
 
@@ -97,7 +95,7 @@ public int listPaginatedProductsUsingScrollableResults(int firstResult, int maxR
             List<Object[]> products = criteria.list();
             if (products != null) {
                 for (Object[] product : products) {
-                    log.info("Retrieved Product using ScrollableResults. Name: " + product[0] + " out of "+totalRecords + " products");
+                    System.out.println("Retrieved Product using ScrollableResults. Name: " + product[0] + " out of "+totalRecords + " products");
                 }
             }
 
@@ -135,7 +133,7 @@ public void deleteAllProducts() {
         } finally {
             session.close();
         }
-        log.info("Deleted all products");
+        System.out.println("Deleted all products");
 
     }
 }

src/test/java/guru/springframework/blog/hibernatepagination/dao/ProductDaoTest.java

@@ -1,13 +1,11 @@
 package guru.springframework.blog.hibernatepagination.dao;
 
-import org.apache.log4j.Logger;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import static org.junit.Assert.*;
 
 public class ProductDaoTest {
-    private Logger log = Logger.getLogger(ProductDao.class);
     ProductDao productDao;
     @Before
     public void setUp() throws Exception {