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;
  }
}
