/**
* @internal
*
* Used internally to parse the Model from it's model file
*
* @return void
*/
protected function parse()
{
$xmlModels = simplexml_load_file($this->modelFile()->path()->stringValue());
if (!$this->version()) {
$this->version = S((string) $xmlModels->{'current-version'});
}
$model = null;
foreach ($xmlModels->model as $m) {
if (S((string) $m['version'])->equals($this->version())) {
$model = $m;
}
}
if ($model != null) {
$relationshipsToLink = new MMutableDictionary();
foreach ($model->entity as $entity) {
$newEntity = new MEntityDescription(S((string) $entity['name']), S((string) $entity['plural']), S((string) $entity['class']));
foreach ($entity->property as $property) {
$newProperty = new MEntityDescriptionProperty($newEntity, S((string) $property['name']));
if ((string) $property['type'] != null) {
$newProperty->setType((string) $property['type']);
}
if ((string) $property['defaultValue'] != null) {
$defaultValue = null;
if ($newProperty->type() == MEntityDescriptionProperty::StringType) {
$defaultValue = new MString((string) $property['defaultValue']);
} else {
if ($newProperty->type() == MEntityDescriptionProperty::IntegerType) {
$defaultValue = MNumber::parseInt((string) $property['defaultValue']);
} else {
if ($newProperty->type() == MEntityDescriptionProperty::FloatType) {
$defaultValue = MNumber::parseFloat((string) $property['defaultValue']);
} else {
if ($newProperty->type() == MEntityDescriptionProperty::BooleanType) {
$defaultValue = MNumber::parseBool((string) $property['defaultValue']);
} else {
if ($newProperty->type() == MEntityDescriptionProperty::DateType) {
$defaultValue = MDate::parseString((string) $property['defaultValue']);
} else {
if ($newProperty->type() == MEntityDescriptionProperty::BinaryType) {
// BinaryType's defaultValue is ignored, always null
} else {
throw new MModelParseErrorException($this->modelFile(), Sf("Invalid data type '%s'", $newProperty->type()));
}
}
}
}
}
}
$newProperty->setDefaultValue($defaultValue);
}
}
foreach ($entity->relationship as $relationship) {
$newRelationship = new MEntityDescriptionRelationship($newEntity, S((string) $relationship['name']), S((string) $relationship['type']));
$newRelationship->setSingular(S((string) $relationship['singular']));
if (strtolower((string) $relationship['to']) == "many") {
$newRelationship->setTo(MEntityDescriptionRelationship::ToMany);
} else {
$newRelationship->setTo(MEntityDescriptionRelationship::ToOne);
}
if ($relationship['inverse'] != null) {
$relationshipsToLink->setObjectForKey($newRelationship, S((string) $relationship['inverse']));
}
}
$this->addEntity($newEntity);
}
// Link relationships to their respective inverse relationships
foreach ($relationshipsToLink->allKeys()->toArray() as $relationship) {
$inverse = $relationshipsToLink->objectForKey($relationship);
$inverseEntity = $this->entityWithName($relationship->type());
if ($inverseEntity) {
$inverseRelationship = $inverseEntity->attributeWithName($inverse);
if ($inverseRelationship) {
$relationship->setInverseRelationship($inverseRelationship);
} else {
throw new MModelParseErrorException($this->modelFile(), Sf("Could not find the relationship named '%s' in entity '%s'", $inverse, $relationship->type()));
}
} else {
throw new MModelParseErrorException($this->modelFile(), Sf("[%s->%s] Inverse relationship's entity named '%s' not defined in this model version", $relationship->entity()->name(), $relationship->name(), $relationship->type()));
}
}
} else {
throw new MModelVersionNotFoundException($this->modelFile());
}
}
/**
* Returns a Managed Object whose property matches the specified object value
*
* This method fetches an object from the Persistent Store that contains the
* specified property and whose value for that property matches the value
* specified in $value
*
* @param MEntityDescriptionProperty $property The property whose value you
* wish to match against
* @param MObject $value The value to be matched
*
* @return MManagedObject The fetched MManagedObject
*/
public function objectWith(MEntityDescriptionProperty $property, MObject $value = null)
{
$request = new MFetchRequest($property->entity(), $this);
if ($value) {
$request->setPredicate(Sf("%s = '%s'", $property->name()->stringValue(), $value->toString()->stringValue()));
} else {
$request->setPredicate(Sf("%s = null", $property->name()->stringValue()));
}
$data = $this->executeFetchRequest($request);
return $data->lastObject();
}
