/**
* Get an ID for the given data
*
* @return string
*/
public function getId()
{
$values = [];
foreach ($this->metadata->getIdColumns() as $column) {
$values[] = $this->getPropertyValue($column->getProperty());
}
if (!count($values)) {
throw new InvalidEntityException('Entity "' . $this->metadata->getClassName() . '" has no ID column');
}
return implode(self::ID_DELIMITER, $values);
}
/**
* Hydrate a relationship
*
* @param Relationship $relative
* @return $this
*/
public function hydrateRelative(Relationship $relative)
{
$this->entity_manager->getDriver()->debugLog("Hydrating relative for " . $this->metadata->getTableName() . "[" . $this->getReader()->getId() . "]::" . $relative->getName());
$setter = $relative->getSetter();
$key = $this->entity_manager->getKeyScheme()->getRelationshipKey($relative, $this->entity_manager->getMapper()->getEntityMetadata($relative->getSource())->getTableName(), $this->entity_manager->getMapper()->getEntityMetadata($relative->getTarget())->getTableName(), $this->getReader()->getId());
if (RelationshipType::isMultiIndex($relative->getRelationshipType())) {
$items = [];
$ids = $this->entity_manager->getDriver()->getMultiValueIndex($key);
foreach ($ids as $id) {
$items[] = $this->entity_manager->retrieveEntityOrNew($relative->getTarget(), $id);
}
$this->proxy->{$setter}($items);
} else {
$id = $this->entity_manager->getDriver()->getSingleValueIndex($key);
if ($id) {
$this->proxy->{$setter}($this->entity_manager->retrieve($relative->getTarget(), $id));
}
}
return $this;
}
/**
* Traverse an array of relationships and persist them
*
* @param Entity $metadata
* @param object $entity
* @param Reader $reader
* @param string $local_id
*/
private function persistRelationshipsTraversal(Entity $metadata, $entity, Reader $reader, $local_id)
{
$relationships = $metadata->getRelationships();
$is_proxy = $entity instanceof OrmProxyInterface;
foreach ($relationships as $relationship) {
$key = $this->getRelationshipKey($relationship, $local_id);
$value = $reader->getPropertyValue($relationship->getName());
// Skip relationship rules:
// If the entity is not a proxy (i.e. a new entity) we still must allow for the scenario in which a new
// entity is created over the top of an existing entity (same ID), as such, we still need to check every
// relationship attached to the entity
if (!$this->entity_manager->getMaintenanceMode() && $is_proxy) {
/** @var OrmProxyInterface $entity */
// Check if we can skip the update
if (!$entity->isRelativeModified($relationship->getName())) {
// Looks like we can skip, but check inverted sort indices first -
if ($relationship->getInversedBy()) {
$inverse_relationship = $this->invertRelationship($relationship);
if ($inverse_relationship->getSortableBy()) {
// The inverse relationship has sortable columns, we need to check for local property
// changes that might have impacted this -
list(, , $maintain) = $this->getRelationshipDeltas($key, $relationship, $value);
$this->updateMaintainedRelationshipSortIndices($inverse_relationship, $maintain, $reader, $local_id);
}
}
// Nothing else to update on this relationship
continue;
}
}
// This condition allows NEW (not a proxy) entities that have NOT set a relationship to inherit existing
// relationships which could be useful if the relationship was set by a foreign entity
// See: docs/RaceConditions.md
if ($is_proxy || $value || $this->entity_manager->getMaintenanceMode()) {
$this->persistForwardRelationship($relationship, $key, $value);
if (count($relationship->getSortableBy())) {
$this->persistForwardSortIndices($relationship, $local_id, $value);
}
// Modify the inversed relationships
if ($relationship->getInversedBy()) {
$this->persistInversedRelationship($relationship, $key, $value, $local_id, $reader);
} else {
$this->persistRefs($relationship, $key, $value, $local_id);
}
}
}
}
/**
* Get the Entity metadata object
*
* @return Entity
*/
public function getEntityMetadata()
{
$entity = new Entity($this->reflection_obj->name, $this->getTableName());
$entity->setColumns($this->getColumns());
$entity->setRelationships($this->getRelationships());
$entity->setIndices($this->getIndices());
$entity->setSortables($this->getSortables());
return $entity;
}
/**
* Deserialise the entity
*
* @param Entity $metadata Metadata object to match the entity
* @param SerialisedData $data Data to deserialise
* @param object $entity Entity to hydrate
*/
public function deserialise(Entity $metadata, SerialisedData $data, $entity)
{
// Using $assoc = true is ~ 10-20% quicker on PHP 5.3
// Source: http://stackoverflow.com/questions/8498114/should-i-use-an-associative-array-or-an-object
$raw = json_decode($data->getData(), true, self::ENCODE_DEPTH);
foreach ($metadata->getColumns() as $column) {
$setter = $column->getSetter();
$field = $column->getName();
$value = isset($raw[$field]) ? $raw[$field] : null;
switch ($column->getType()) {
default:
break;
case FieldType::DATETIME():
$entity->{$setter}($this->deserialiseDateTime($value));
break;
case FieldType::INT():
$entity->{$setter}((int) $value);
break;
case FieldType::STRING():
$entity->{$setter}((string) $value);
break;
case FieldType::DECIMAL():
$entity->{$setter}((double) $value);
break;
case FieldType::BOOL():
$entity->{$setter}((bool) $value);
break;
case FieldType::SET():
$entity->{$setter}(json_decode($value, true));
break;
case FieldType::OBJECT():
$entity->{$setter}($this->deserialiseObject($value, $column->getClassName()));
break;
}
}
}
/**
* Compiles all columns for an entity
*
* @param Entity $md
* @return array
*/
private function compileColumns(Entity $md)
{
$out = [];
$columns = $md->getColumns();
foreach ($columns as $column) {
$data = [Schema::COLUMN_TYPE => $column->getType()->value()];
if ($column->isId()) {
$data[Schema::COLUMN_ID] = true;
}
$default_getter = 'get' . Inflector::classify($column->getProperty());
if ($column->getGetter() && $column->getGetter() != $default_getter) {
$data[Schema::GETTER] = $column->getGetter();
}
$default_setter = 'set' . Inflector::classify($column->getProperty());
if ($column->getSetter() && $column->getSetter() != $default_setter) {
$data[Schema::SETTER] = $column->getSetter();
}
if ($column->getClassName()) {
$data[Schema::COLUMN_CLASS] = $column->getClassName();
}
$out[$column->getName()] = $data;
}
$relationships = $md->getRelationships();
foreach ($relationships as $relationship) {
$data = [Schema::REL_ASSOCIATION => $relationship->getRelationshipType()->value(), Schema::REL_TARGET => $relationship->getTarget()];
$default_getter = 'get' . Inflector::classify($relationship->getName());
if ($relationship->getGetter() && $relationship->getGetter() != $default_getter) {
$data[Schema::GETTER] = $relationship->getGetter();
}
$default_setter = 'set' . Inflector::classify($relationship->getName());
if ($relationship->getSetter() && $relationship->getSetter() != $default_setter) {
$data[Schema::SETTER] = $relationship->getSetter();
}
if ($relationship->getInversedBy()) {
$data[Schema::REL_INVERSED_BY] = $relationship->getInversedBy();
}
if ($relationship->getSortableBy()) {
$data[Schema::SORT_INDICES] = $this->compileSortables($relationship->getSortableBy());
}
$out[$relationship->getName()] = $data;
}
return $out;
}
/**
* Parse a map file, loading metadata from YAML
*
* @param string $fn
* @return $this
*/
protected function loadMap($fn)
{
$map = $this->getParser()->parse(file_get_contents($fn));
foreach ($map as $class => $schema) {
$table = $this->getNode($schema, Schema::TABLE_NAME);
$entity = new Entity($class, $table);
// Columns
$columns = $this->getNode($schema, Schema::COLUMNS);
foreach ($columns as $property => $column_schema) {
if ($this->getNode($column_schema, Schema::REL_ASSOCIATION, false)) {
$rel = $this->createRelationship($property, $column_schema);
$rel->setSource($class);
$entity->addRelationship($rel);
} else {
$entity->addColumn($this->createColumn($property, $column_schema));
}
}
// Table sortables
$entity->setSortables($this->createSortables($schema));
// Table indices
$indices = $this->getNode($schema, Schema::STD_INDICES, false, []);
foreach ($indices as $name => $index_schema) {
$index = new Index($table, $name);
$index->setColumns($this->getNode($index_schema, Schema::INDEX_COLUMNS, false, []));
$index->setMethods($this->getNode($index_schema, Schema::INDEX_METHODS, false, []));
$entity->addIndex($index);
}
// Add to map
$this->entities[$class] = $entity;
}
return $this;
}
