/**
* Creates a new Save Request with the specified context
*
* @param MManagedObjectContext $context The context in which this
* Save Request will be performed
*
* @return MSaveRequest The newly created Save Request
*/
public function __construct(MManagedObjectContext $context)
{
parent::__construct(MPersistentStoreRequest::SaveRequestType, $context);
$this->insertManagedObjects = null;
$this->updateManagedObjects = null;
$this->deleteManagedObjects = null;
}
/**
* Execute a request across all persistent stores and returns the results
* if any
*
* @param MPersistentStoreRequest $request The request to be peformed
*
* @return MArray|null An Array containing the results for the request
* or null if the request yields no results
*/
public function executeRequest(MPersistentStoreRequest $request)
{
if ($this->persistentStores()->count() > 0) {
if ($request->requestType() == MPersistentStoreRequest::SaveRequestType) {
$objects = new MArray();
foreach ($this->persistentStores()->toArray() as $persistentStore) {
$objects = $persistentStore->executeRequest($request);
}
return $objects;
} else {
if ($request->requestType() == MPersistentStoreRequest::FetchRequestType) {
return $this->persistentStores()->anyObject()->executeRequest($request);
} else {
if ($request->requestType() == MPersistentStoreRequest::FaultRequestType) {
return $this->persistentStores()->anyObject()->executeRequest($request);
} else {
throw new MPersistentStoreException(Sf("Unsupported request type (%s)", $request->requestType()));
}
}
}
} else {
throw new MPersistentStoreException(S("No persistent stores defined!"));
}
}
/**
* Creates a new instance of the MFetchRequest class which defines
* a request to be sent to the data store
*
* @param MEntityDescription $entity The entity you wish to fetch
* @param MManagedObjectContext $context The context in which this
* request will be performed
*
* @return MFetchRequest The newly created Fetch Request instance
*/
public function __construct(MEntityDescription $entity, MManagedObjectContext $context)
{
parent::__construct(MPersistentStoreRequest::FetchRequestType, $context);
$this->entity = $entity;
$this->predicate = null;
}
/**
* Creates a new instance of the MFaultRequest class
*
* This method creates a new instance of the MFaultRequest class and takes
* the context where the fault operation is to be performed.
*
* @param MManagedObjectContext $context The context where the fault operation
* is to be performed.
*
* @return MFaultRequest The newly created MFaultRequest instance
*/
public function __construct(MManagedObjectContext $context)
{
parent::__construct(MPersistentStoreRequest::FaultRequestType, $context);
$this->faults = new MMutableArray();
}
/**
* This method executes a request in the Persistent Store and returns the
* results as an Array
*
* @param MPersistentStoreRequest $request The Request to perform
*
* @return MArray An Array containing the results of the request
*/
public function executeRequest(MPersistentStoreRequest $request)
{
$this->ensureDatabaseConsistency();
if ($request->requestType() == MPersistentStoreRequest::FetchRequestType) {
return $this->executeFetchRequest($request);
} else {
if ($request->requestType() == MPersistentStoreRequest::FaultRequestType) {
return $this->executeFaultRequest($request);
} else {
if ($request->requestType() == MPersistentStoreRequest::SaveRequestType) {
return $this->executeSaveRequest($request);
} else {
throw new MPersistentStoreException(S("Invalid request type"));
}
}
}
}
