/**
* Find object by primary key.
* Propel uses the instance pool to skip the database if the object exists.
* Go fast if the query is untouched.
*
* <code>
* $obj = $c->findPk(array(12, 34, 56, 78), $con);
* </code>
*
* @param array[$id, $id_eleve, $num_periode, $id_groupe] $key Primary key to use for the query
* @param PropelPDO $con an optional connection object
*
* @return CreditEcts|array|mixed the result, formatted by the current formatter
*/
public function findPk($key, $con = null)
{
if ($key === null) {
return null;
}
if ((null !== ($obj = CreditEctsPeer::getInstanceFromPool(serialize(array((string) $key[0], (string) $key[1], (string) $key[2], (string) $key[3]))))) && !$this->formatter) {
// the object is alredy in the instance pool
return $obj;
}
if ($con === null) {
$con = Propel::getConnection(CreditEctsPeer::DATABASE_NAME, Propel::CONNECTION_READ);
}
$this->basePreSelect($con);
if ($this->formatter || $this->modelAlias || $this->with || $this->select
|| $this->selectColumns || $this->asColumns || $this->selectModifiers
|| $this->map || $this->having || $this->joins) {
return $this->findPkComplex($key, $con);
} else {
return $this->findPkSimple($key, $con);
}
}
/**
* Retrieve object using using composite pkey values.
* @param int $id
* @param int $id_eleve
* @param int $num_periode
* @param int $id_groupe
* @param PropelPDO $con
* @return CreditEcts
*/
public static function retrieveByPK($id, $id_eleve, $num_periode, $id_groupe, PropelPDO $con = null) {
$_instancePoolKey = serialize(array((string) $id, (string) $id_eleve, (string) $num_periode, (string) $id_groupe));
if (null !== ($obj = CreditEctsPeer::getInstanceFromPool($_instancePoolKey))) {
return $obj;
}
if ($con === null) {
$con = Propel::getConnection(CreditEctsPeer::DATABASE_NAME, Propel::CONNECTION_READ);
}
$criteria = new Criteria(CreditEctsPeer::DATABASE_NAME);
$criteria->add(CreditEctsPeer::ID, $id);
$criteria->add(CreditEctsPeer::ID_ELEVE, $id_eleve);
$criteria->add(CreditEctsPeer::NUM_PERIODE, $num_periode);
$criteria->add(CreditEctsPeer::ID_GROUPE, $id_groupe);
$v = CreditEctsPeer::doSelect($criteria, $con);
return !empty($v) ? $v[0] : null;
}