de.forsthaus.backend.dao.impl.OrderDAOImpl.java Source code

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Here is the source code for de.forsthaus.backend.dao.impl.OrderDAOImpl.java

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/**
 * Copyright 2010 the original author or authors.
 * 
 * This file is part of Zksample2. http://zksample2.sourceforge.net/
 *
 * Zksample2 is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * Zksample2 is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Zksample2.  If not, see <http://www.gnu.org/licenses/gpl.html>.
 */
package de.forsthaus.backend.dao.impl;

import java.math.BigDecimal;
import java.util.List;

import org.hibernate.criterion.DetachedCriteria;
import org.hibernate.criterion.Projections;
import org.hibernate.criterion.Restrictions;
import org.springframework.dao.support.DataAccessUtils;
import org.springframework.stereotype.Repository;

import de.forsthaus.backend.dao.OrderDAO;
import de.forsthaus.backend.model.Customer;
import de.forsthaus.backend.model.Office;
import de.forsthaus.backend.model.Order;
import de.forsthaus.backend.model.Orderposition;

/**
 * EN: DAO methods implementation for the <b>Order</b> model class.<br>
 * DE: DAO Methoden Implementierung fuer die <b>Order</b> Model Klasse.<br>
 * 
 * @author bbruhns
 * @author Stephan Gerth
 */
@Repository
public class OrderDAOImpl extends BasisDAO<Order> implements OrderDAO {

    @Override
    public Order getNewOrder() {
        return new Order();
    }

    @Override
    public Order getOrderById(long id) {
        return get(Order.class, id);
    }

    @SuppressWarnings("unchecked")
    @Override
    public List<Order> getOrdersByCustomer(Customer customer) {
        DetachedCriteria criteria = DetachedCriteria.forClass(Order.class);
        criteria.add(Restrictions.eq("customer", customer));

        return getHibernateTemplate().findByCriteria(criteria);
    }

    @SuppressWarnings("unchecked")
    @Override
    public int getCountOrdersByCustomer(Customer customer) {

        DetachedCriteria criteria = DetachedCriteria.forClass(Order.class);

        criteria.add(Restrictions.eq("customer", customer));
        List<Order> anzahl = getHibernateTemplate().findByCriteria(criteria);

        return anzahl.size();

    }

    @SuppressWarnings("unchecked")
    @Override
    public Order getOrderByAufNr(String auf_nr) {
        DetachedCriteria criteria = DetachedCriteria.forClass(Order.class);
        criteria.add(Restrictions.eq("aufNr", auf_nr));

        return (Order) DataAccessUtils.uniqueResult(getHibernateTemplate().findByCriteria(criteria));
    }

    @SuppressWarnings("unchecked")
    @Override
    public List<Order> getOrdersByOffice(Office office) {
        DetachedCriteria criteria = DetachedCriteria.forClass(Order.class);

        // Raussuchen bei welchen Auftraegen der zugehoerige Kunde bei der
        // angegebenen Filiale ist
        criteria.createAlias("customer", "cu");
        criteria.add(Restrictions.eq("cu.office", office));

        return getHibernateTemplate().findByCriteria(criteria);
    }

    @Override
    public void deleteOrderByAufNr(String auf_nr) {
        Order order = getOrderByAufNr(auf_nr);
        if (order != null) {
            delete(order);
        }
    }

    @Override
    public void deleteOrdersByCustomer(Customer customer) {
        List<Order> orders = getOrdersByCustomer(customer);
        if (orders != null) {
            deleteAll(orders);
        }
    }

    @Override
    public List<Order> getAllOrders() {
        return getHibernateTemplate().loadAll(Order.class);
    }

    @SuppressWarnings("unchecked")
    @Override
    public BigDecimal getOrderSum(Order order) {
        DetachedCriteria criteria = DetachedCriteria.forClass(Orderposition.class);
        criteria.add(Restrictions.eq("order", order));
        criteria.setProjection(Projections.sum("aupGesamtwert"));

        BigDecimal sumResult = (BigDecimal) DataAccessUtils
                .uniqueResult(getHibernateTemplate().findByCriteria(criteria));

        return sumResult;
    }

    @Override
    public int getCountAllOrders() {
        return DataAccessUtils.intResult(getHibernateTemplate().find("select count(*) from Order"));
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * de.forsthaus.backend.dao.OrderDAO#initialize(de.forsthaus.backend.model
     * .Order)
     */
    @Override
    public void initialize(Order order) {
        super.initialize(order);
    }
}