| final public Load ( Storm\Core\Object\IRequest $ObjectRequest ) : array | object | null | ||
| $ObjectRequest | Storm\Core\Object\IRequest | The request to load |
| return | array | object | null | Depending on the supplied request, either all the entities are returned as an array or the first is returned or null if none are found. |
public final function Load(Object\IRequest $ObjectRequest)
{
$EntityType = $ObjectRequest->GetEntityType();
$this->VerifyEntityTypeIsMapped($EntityType);
$RelationalRequest = $this->MapRequest($ObjectRequest);
$ResultRows = $this->Database->Load($RelationalRequest);
$RevivalDataArray = $this->MapRowsToRevivalData($EntityType, $ResultRows);
$RevivedEntities = $this->Domain->ReviveEntities($EntityType, $RevivalDataArray);
if ($ObjectRequest->IsSingleEntity()) {
return count($RevivedEntities) > 0 ? reset($RevivedEntities) : null;
} else {
return $RevivedEntities;
}
} /**
* Loads an entity from an identity instance.
*
* @param Object\Identity $Identity The identity of the entity
* @return object|null
*/
protected function LoadByIdentity(Object\Identity $Identity)
{
$CachedEntity = $this->IdentityMap->GetFromCache($Identity);
if ($CachedEntity instanceof $this->EntityType) {
return $CachedEntity;
}
$Entity = $this->DomainDatabaseMap->Load(new Base\Object\Request($this->EntityType, $this->EntityMap->GetProperties(), true, new Base\Object\Criteria\MatchesCriterion($Identity)));
if ($Entity instanceof $this->EntityType) {
$this->IdentityMap->CacheEntity($Entity, $Identity);
}
return $Entity;
}
