/**
* Gets an array of GrupoModulo objects which contain a foreign key that references this object.
*
* If this collection has already been initialized with an identical Criteria, it returns the collection.
* Otherwise if this Grupo has previously been saved, it will retrieve
* related GrupoModulos from storage. If this Grupo is new, it will return
* an empty collection or the current collection, the criteria is ignored on a new object.
*
* @param PropelPDO $con
* @param Criteria $criteria
* @return array GrupoModulo[]
* @throws PropelException
*/
public function getGrupoModulos($criteria = null, PropelPDO $con = null)
{
if ($criteria === null) {
$criteria = new Criteria(GrupoPeer::DATABASE_NAME);
} elseif ($criteria instanceof Criteria) {
$criteria = clone $criteria;
}
if ($this->collGrupoModulos === null) {
if ($this->isNew()) {
$this->collGrupoModulos = array();
} else {
$criteria->add(GrupoModuloPeer::ID_GRUPO, $this->id_grupo);
GrupoModuloPeer::addSelectColumns($criteria);
$this->collGrupoModulos = GrupoModuloPeer::doSelect($criteria, $con);
}
} else {
// criteria has no effect for a new object
if (!$this->isNew()) {
// the following code is to determine if a new query is
// called for. If the criteria is the same as the last
// one, just return the collection.
$criteria->add(GrupoModuloPeer::ID_GRUPO, $this->id_grupo);
GrupoModuloPeer::addSelectColumns($criteria);
if (!isset($this->lastGrupoModuloCriteria) || !$this->lastGrupoModuloCriteria->equals($criteria)) {
$this->collGrupoModulos = GrupoModuloPeer::doSelect($criteria, $con);
}
}
}
$this->lastGrupoModuloCriteria = $criteria;
return $this->collGrupoModulos;
}
/**
* Retrieve object using using composite pkey values.
* @param string $modulo
@param string $accion
@param int $id_grupo
* @param PropelPDO $con
* @return GrupoModulo
*/
public static function retrieveByPK($modulo, $accion, $id_grupo, PropelPDO $con = null)
{
$key = serialize(array((string) $modulo, (string) $accion, (string) $id_grupo));
if (null !== ($obj = GrupoModuloPeer::getInstanceFromPool($key))) {
return $obj;
}
if ($con === null) {
$con = Propel::getConnection(GrupoModuloPeer::DATABASE_NAME, Propel::CONNECTION_READ);
}
$criteria = new Criteria(GrupoModuloPeer::DATABASE_NAME);
$criteria->add(GrupoModuloPeer::MODULO, $modulo);
$criteria->add(GrupoModuloPeer::ACCION, $accion);
$criteria->add(GrupoModuloPeer::ID_GRUPO, $id_grupo);
$v = GrupoModuloPeer::doSelect($criteria, $con);
return !empty($v) ? $v[0] : null;
}
