Java tutorial
/** * ************************************************************************ * * The contents of this file are subject to the MRPL 1.2 * * (the "License"), being the Mozilla Public License * * Version 1.1 with a permitted attribution clause; you may not use this * * file except in compliance with the License. You may obtain a copy of * * the License at http://www.floreantpos.org/license.html * * Software distributed under the License is distributed on an "AS IS" * * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the * * License for the specific language governing rights and limitations * * under the License. * * The Original Code is FLOREANT POS. * * The Initial Developer of the Original Code is OROCUBE LLC * * All portions are Copyright (C) 2015 OROCUBE LLC * * All Rights Reserved. * ************************************************************************ */ package com.floreantpos.model.dao; import java.util.List; import org.hibernate.Criteria; import org.hibernate.Session; import org.hibernate.criterion.Restrictions; import com.floreantpos.PosException; import com.floreantpos.model.Shift; public class ShiftDAO extends BaseShiftDAO { /** * Default constructor. Can be used in place of getInstance() */ public ShiftDAO() { } public boolean exists(String shiftName) throws PosException { Session session = null; try { session = createNewSession(); Criteria criteria = session.createCriteria(getReferenceClass()); criteria.add(Restrictions.eq(Shift.PROP_NAME, shiftName)); List list = criteria.list(); if (list != null && list.size() > 0) { return true; } return false; } catch (Exception e) { throw new PosException("An error occured while trying to check Shift duplicacy", e); //$NON-NLS-1$ } finally { if (session != null) { try { session.close(); } catch (Exception e) { } } } } public void refresh(Shift shift) throws PosException { Session session = null; try { session = createNewSession(); session.refresh(shift); } catch (Exception e) { throw new PosException("An error occured while refreshing Shift state.", e); //$NON-NLS-1$ } finally { if (session != null) { try { session.close(); } catch (Exception e) { } } } } }