/**
*
* @param Datastore $oDB
* the datastore to search for the record
* @param array $aConditions
* The criteria to use to search for the record
*/
public function findByKey($oDB, $aConditions)
{
constraint_mustBeArray($aConditions);
$oAdapter = $oDB->getAdapterFor($this);
$return = $oAdapter->findByKey($this, $aConditions);
if (!$return) {
// we did not find the record
//
// if the record is expected to exist, we throw
// an exception
$oDef = $this->oModel->getDefinition();
$mustExist = false;
foreach ($aConditions as $field => $value) {
if ($oDef->isValidFieldName($field) && $oDef->isMandatoryField($field)) {
$mustExist = true;
}
}
if ($mustExist) {
throw new Datastore_E_RelatedDataNotFound($oDef->getModelName(), $aConditions);
} else {
return false;
}
}
return true;
}
