/**
* 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.enterprise;
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;
/**
* This class provides access to DB in order to query for {@link RoleLdap}.
*
* @author ssedano
*/
@Repository("jpaLdapRoleDAO")
public class RoleLdapDAO extends DefaultDAOBase<Integer, RoleLdap>
{
public RoleLdapDAO()
{
super(RoleLdap.class);
}
/**
* Constructor.
*
* @param entityManager entitimanager.
*/
public RoleLdapDAO(final EntityManager entityManager)
{
super(RoleLdap.class, entityManager);
}
/**
* {@link Role} that match <b>exactly</b> with type.
*
* @param type name of the <code>LdapRoleDAO</code>
* @return <code>LdapRoleDAO</code>s which type mathes name
*/
public RoleLdap findByType(final String type)
{
if (type == null)
{
return null;
}
// If at some point a single ldapRole will map more than one role, the implementation of
// this function must change.
RoleLdap role = (RoleLdap) createCriteria(type).uniqueResult();
return role;
}
/**
* @param type name.
* @return Criteria that matches type.
*/
private Criterion sameType(final String type)
{
return Restrictions.eq("ldapRole", type);
}
private Criteria createCriteria(final String type)
{
Criteria criteria = createCriteria();
if (type != null)
{
criteria.add(sameType(type));
}
return criteria;
}
// Criterions
private Criterion sameRole(final Role role)
{
return Restrictions.eq(RoleLdap.ROLE_PROPERTY, role);
}
private Criterion sameRoleLdap(final String roleLdap)
{
return Restrictions.eq(RoleLdap.ROLE_LDAP_PROPERTY, roleLdap);
}
public List<RoleLdap> findByRoleLdap(final String roleLdap)
{
return findByCriterions(sameRoleLdap(roleLdap));
}
public Collection<RoleLdap> findByRole(final Role role)
{
return findByCriterions(sameRole(role));
}
public Collection<RoleLdap> find(final String filter, final String orderBy, final boolean desc,
final Integer offset, final Integer numResults)
{
Criteria criteria = createCriteria(filter, orderBy, desc);
Number total = count(criteria);
criteria = createCriteria(filter, orderBy, desc);
criteria.setFirstResult(offset * numResults);
criteria.setMaxResults(numResults);
List<RoleLdap> result = getResultList(criteria);
PagedList<RoleLdap> page = new PagedList<RoleLdap>();
page.addAll(result);
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(RoleLdap.ROLE_LDAP_PROPERTY, '%' + filter + '%'));
return filterDisjunction;
}
public boolean existAnyRoleLdapWithRole(final Role role)
{
return existsAnyByCriterions(sameRole(role));
}
}