public function __construct(\Iterator $records, RecordCollection $previousCollection, callable $filter)
{
parent::__construct($records, $previousCollection);
$this->filter = $filter;
}
function getCollection($criteria = null)
{
if (isset($this->_collection) && $this->_collection) {
if (!isset($criteria)) {
return $this->_collection;
}
$collection =& $this->_collection;
} else {
$collection = new RecordCollection($this->dbcon);
$collection->setSource($this->datatable);
}
if (isset($criteria)) {
$collection->setCriteria($criteria);
}
foreach ($this->_search_criteria_global as $crit_phrase) {
$collection->addCriteria($crit_phrase);
}
if (!$this->_allow_db_cache) {
$collection->clearCache();
}
$this->_collection =& $collection;
return $this->_collection;
}