/**
* Retrieve multiple objects by pkey.
*
* @param array $pks List of primary keys
* @param Connection $con the connection to use
* @throws PropelException Any exceptions caught during processing will be
* rethrown wrapped into a PropelException.
*/
public static function retrieveByPKs($pks, $con = null)
{
if ($con === null) {
$con = Propel::getConnection(self::DATABASE_NAME);
}
$objs = null;
if (empty($pks)) {
$objs = array();
} else {
$criteria = new Criteria();
$criteria->add(RdfNamespacePeer::ID, $pks, Criteria::IN);
$objs = RdfNamespacePeer::doSelect($criteria, $con);
}
return $objs;
}
/**
* If this collection has already been initialized with
* an identical criteria, it returns the collection.
* Otherwise if this Schema has previously
* been saved, it will retrieve related RdfNamespaces from storage.
* If this Schema is new, it will return
* an empty collection or the current collection, the criteria
* is ignored on a new object.
*
* @param Connection $con
* @param Criteria $criteria
* @throws PropelException
*/
public function getRdfNamespaces($criteria = null, $con = null)
{
// include the Peer class
include_once 'lib/model/om/BaseRdfNamespacePeer.php';
if ($criteria === null) {
$criteria = new Criteria();
} elseif ($criteria instanceof Criteria) {
$criteria = clone $criteria;
}
if ($this->collRdfNamespaces === null) {
if ($this->isNew()) {
$this->collRdfNamespaces = array();
} else {
$criteria->add(RdfNamespacePeer::SCHEMA_ID, $this->getId());
RdfNamespacePeer::addSelectColumns($criteria);
$this->collRdfNamespaces = RdfNamespacePeer::doSelect($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(RdfNamespacePeer::SCHEMA_ID, $this->getId());
RdfNamespacePeer::addSelectColumns($criteria);
if (!isset($this->lastRdfNamespaceCriteria) || !$this->lastRdfNamespaceCriteria->equals($criteria)) {
$this->collRdfNamespaces = RdfNamespacePeer::doSelect($criteria, $con);
}
}
}
$this->lastRdfNamespaceCriteria = $criteria;
return $this->collRdfNamespaces;
}
