/**
* Copyright (C) 2008 - Abiquo Holdings S.L. All rights reserved.
*
* Please see /opt/abiquo/tomcat/webapps/legal/ on Abiquo server
* or contact contact@abiquo.com for licensing information.
*/
package com.abiquo.server.core.pricing;
import java.util.Collection;
import java.util.List;
import javax.persistence.EntityManager;
import org.apache.commons.lang.StringUtils;
import org.hibernate.Criteria;
import org.hibernate.criterion.Criterion;
import org.hibernate.criterion.Disjunction;
import org.hibernate.criterion.Order;
import org.hibernate.criterion.Restrictions;
import org.springframework.stereotype.Repository;
import com.abiquo.server.core.common.persistence.DefaultDAOBase;
import com.abiquo.server.core.util.PagedList;
@Repository("jpaCurrencyDAO")
public class CurrencyDAO extends DefaultDAOBase<Integer, Currency>
{
public CurrencyDAO()
{
super(Currency.class);
}
public CurrencyDAO(final EntityManager entityManager)
{
super(Currency.class, entityManager);
}
public boolean existAnyOtherCurrencyWithName(final String name)
{
return existsAnyByCriterions(sameName(name));
}
public static Criterion sameName(final String name)
{
return Restrictions.eq(Currency.NAME_PROPERTY, name);
}
public boolean existAnyOtherCurrencyWithName(final Currency currency, final String name)
{
return existsAnyOtherByCriterions(currency, sameName(name));
}
public Collection<Currency> find(final String filter, final String orderBy, final boolean desc,
final int offset, int numResults)
{
Criteria criteria = createCriteria(filter, orderBy, desc);
Number total = count(criteria);
criteria = createCriteria(filter, orderBy, desc);
numResults = (numResults != 0 ? numResults : total.intValue());
if (numResults != 0)
{
criteria.setFirstResult(offset * numResults);
criteria.setMaxResults(numResults);
}
List<Currency> result = getResultList(criteria);
PagedList<Currency> page = new PagedList<Currency>();
page.addAll(result);
if (numResults != 0)
{
page.setCurrentElement(offset);
page.setPageSize(numResults);
}
page.setTotalResults(total.intValue());
return page;
}
private Criteria createCriteria(final String filter, final String orderBy, final boolean desc)
{
Criteria criteria = createCriteria();
if (!StringUtils.isEmpty(filter))
{
criteria.add(filterBy(filter));
}
if (!StringUtils.isEmpty(orderBy))
{
Order order = Order.asc(orderBy);
if (desc)
{
order = Order.desc(orderBy);
}
criteria.addOrder(order);
}
return criteria;
}
private Criterion filterBy(final String filter)
{
Disjunction filterDisjunction = Restrictions.disjunction();
filterDisjunction.add(Restrictions.like(Currency.NAME_PROPERTY, '%' + filter + '%'));
filterDisjunction.add(Restrictions.like(Currency.SYMBOL_PROPERTY, '%' + filter + '%'));
return filterDisjunction;
}
}