first commit with existing project files

hibernate-project/src/main/java/com/humanbooster/dao/ArticleDao.java

@@ -0,0 +1,34 @@
+package com.humanbooster.dao;
+
+import com.humanbooster.model.Article;
+import org.hibernate.Session;
+import org.hibernate.SessionFactory;
+
+public class ArticleDao extends GenericDaoImpl<Article,Long> {
+
+    public ArticleDao(SessionFactory sessionFactory) {
+        super(sessionFactory, Article.class);
+    }
+
+    public Article findByAuthor(String author) {
+        try(Session session = sessionFactory.openSession()){
+            session.beginTransaction();
+            Article article = session.createQuery("FROM Article WHERE author = :author", Article.class)
+                    .setParameter("author", author)
+                    .uniqueResult();
+            session.getTransaction().commit();
+            return article;
+        }
+    }
+
+    public Article findByTitle(String title) {
+        try(Session session = sessionFactory.openSession()){
+            session.beginTransaction();
+            Article article = session.createQuery("FROM Article WHERE title = :title", Article.class)
+                    .setParameter("title", title)
+                    .uniqueResult();
+            session.getTransaction().commit();
+            return article;
+        }
+    }
+}