Changed package naming across all examples.

service-layer/src/main/java/com/iluwatar/servicelayer/wizard/WizardDaoImpl.java

@@ -0,0 +1,42 @@
+package com.iluwatar.servicelayer.wizard;
+
+import org.hibernate.Criteria;
+import org.hibernate.Session;
+import org.hibernate.Transaction;
+import org.hibernate.criterion.Restrictions;
+
+import com.iluwatar.servicelayer.common.DaoBaseImpl;
+import com.iluwatar.servicelayer.spellbook.Spellbook;
+
+/**
+ * 
+ * WizardDao implementation.
+ *
+ */
+public class WizardDaoImpl extends DaoBaseImpl<Wizard> implements WizardDao {
+
+	@Override
+	public Wizard findByName(String name) {
+		Session session = getSession();
+		Transaction tx = null;
+		Wizard result = null;
+		try {
+			tx = session.beginTransaction();
+			Criteria criteria = session.createCriteria(persistentClass);
+			criteria.add(Restrictions.eq("name", name));
+			result = (Wizard) criteria.uniqueResult();
+			for (Spellbook s: result.getSpellbooks()) {
+				s.getSpells().size();
+			}
+			tx.commit();
+		}
+		catch (Exception e) {
+			if (tx!=null) tx.rollback();
+			throw e;
+		}
+		finally {
+			session.close();
+		}		
+		return result;
+	}
+}