private function handleCollections($document, $options)
{
// Collection deletions (deletions of complete collections)
foreach ($this->uow->getScheduledCollections($document) as $coll) {
if ($this->uow->isCollectionScheduledForDeletion($coll)) {
$this->cp->delete($coll, $options);
}
}
// Collection updates (deleteRows, updateRows, insertRows)
foreach ($this->uow->getScheduledCollections($document) as $coll) {
if ($this->uow->isCollectionScheduledForUpdate($coll)) {
$this->cp->update($coll, $options);
}
}
// Take new snapshots from visited collections
foreach ($this->uow->getVisitedCollections($document) as $coll) {
$coll->takeSnapshot();
}
}
/**
* Returns the embedded document to be stored in Riak.
*
* The return value will usually be an associative array with string keys
* corresponding to field names on the embedded document. An object may be
* returned if the document is empty, to ensure that a BSON object will be
* stored in lieu of an array.
*
* If $includeNestedCollections is true, nested collections will be included
* in this prepared value and the option will cascade to all embedded
* associations. If any nested PersistentCollections (embed or reference)
* within this value were previously scheduled for deletion or update, they
* will also be unscheduled.
*
* @param array $embeddedMapping
* @param object $embeddedDocument
* @param boolean $includeNestedCollections
* @return array|object
* @throws \UnexpectedValueException if an unsupported associating mapping is found
*/
public function prepareEmbeddedDocumentValue(array $embeddedMapping, $embeddedDocument, $includeNestedCollections = false)
{
$embeddedDocumentValue = array();
$class = $this->dm->getClassMetadata(get_class($embeddedDocument));
foreach ($class->fieldMappings as $mapping) {
// Skip notSaved fields
if (!empty($mapping['notSaved'])) {
continue;
}
// Inline ClassMetadataInfo::getFieldValue()
$rawValue = $class->reflFields[$mapping['fieldName']]->getValue($embeddedDocument);
$value = null;
if ($rawValue !== null) {
switch (isset($mapping['association']) ? $mapping['association'] : null) {
// @Field, @String, @Date, etc.
case null:
$value = Type::getType($mapping['type'])->convertToDatabaseValue($rawValue);
break;
case ClassMetadata::EMBED_ONE:
case ClassMetadata::REFERENCE_ONE:
// Nested collections should only be included for embedded relationships
$value = $this->prepareAssociatedDocumentValue($mapping, $rawValue, $includeNestedCollections && isset($mapping['embedded']));
break;
case ClassMetadata::EMBED_MANY:
case ClassMetadata::REFERENCE_MANY:
// Skip PersistentCollections already scheduled for deletion
if (!$includeNestedCollections && $rawValue instanceof PersistentCollection && $this->uow->isCollectionScheduledForDeletion($rawValue)) {
break;
}
$value = $this->prepareAssociatedCollectionValue($rawValue, $includeNestedCollections);
break;
default:
throw new \UnexpectedValueException('Unsupported mapping association: ' . $mapping['association']);
}
}
// Omit non-nullable fields that would have a null value
if ($value === null && $mapping['nullable'] === false) {
continue;
}
$embeddedDocumentValue[$mapping['name']] = $value;
}
/* Add a discriminator value if the embedded document is not mapped
* explicitly to a targetDocument class.
*/
if (!isset($embeddedMapping['targetDocument'])) {
$discriminatorField = $embeddedMapping['discriminatorField'];
$discriminatorValue = isset($embeddedMapping['discriminatorMap']) ? array_search($class->name, $embeddedMapping['discriminatorMap']) : $class->name;
/* If the discriminator value was not found in the map, use the full
* class name. In the future, it may be preferable to throw an
* exception here (perhaps based on some strictness option).
*
* @see DocumentManager::createDBRef()
*/
if ($discriminatorValue === false) {
$discriminatorValue = $class->name;
}
$embeddedDocumentValue[$discriminatorField] = $discriminatorValue;
}
/* If the class has a discriminator (field and value), use it. A child
* class that is not defined in the discriminator map may only have a
* discriminator field and no value, so default to the full class name.
*/
if (isset($class->discriminatorField)) {
$embeddedDocumentValue[$class->discriminatorField] = isset($class->discriminatorValue) ? $class->discriminatorValue : $class->name;
}
// Ensure empty embedded documents are stored as BSON objects
if (empty($embeddedDocumentValue)) {
return (object) $embeddedDocumentValue;
}
/* @todo Consider always casting the return value to an object, or
* building $embeddedDocumentValue as an object instead of an array, to
* handle the edge case where all database field names are sequential,
* numeric keys.
*/
return $embeddedDocumentValue;
}
