/**
* @param string $entityClass
* @param string $key
* @param null $column
* @return StoredEntity|null
* @throws NoReferenceException
*/
public function reference($entityClass, $key = null, $column = null)
{
if ($this->cachedReferences == null) {
$this->cachedReferences = new ArrayHash();
}
if ($this->isNewEntity()) {
return null;
}
if ($key == null) {
$columnToDiscoverReference = $entityClass;
$reflectProperty = $this->getPropertyByColumnName($columnToDiscoverReference);
if ($reflectProperty) {
$entityClass = $this->getReferenceClassForProperty($reflectProperty);
if (!$entityClass) {
throw new NoReferenceException($columnToDiscoverReference);
}
$column = $columnToDiscoverReference;
$key = $entityClass::getTableName($this->annotationReader);
}
}
self::mustBeChildOf($entityClass, StoredEntity::class);
if (!$this->cachedReferences->offsetExists($key)) {
$reference = $entityClass::create($this, $this->row->getTable()->getReferencedTable($this->row, $key, $column));
$this->cachedReferences->offsetSet($key, $reference);
}
return $this->cachedReferences->offsetGet($key);
}
/**
* Returns referenced row.
* @param ActiveRow
* @param string
* @param string|NULL
* @return ActiveRow|NULL|FALSE NULL if the row does not exist, FALSE if the relationship does not exist
*/
public function getReferencedTable(ActiveRow $row, $table, $column = NULL)
{
if (!$column) {
$belongsTo = $this->conventions->getBelongsToReference($this->name, $table);
if (!$belongsTo) {
return FALSE;
}
list($table, $column) = $belongsTo;
}
if (!$row->accessColumn($column)) {
return FALSE;
}
$checkPrimaryKey = $row[$column];
$referenced =& $this->refCache['referenced'][$this->getSpecificCacheKey()]["{$table}.{$column}"];
$selection =& $referenced['selection'];
$cacheKeys =& $referenced['cacheKeys'];
if ($selection === NULL || $checkPrimaryKey !== NULL && !isset($cacheKeys[$checkPrimaryKey])) {
$this->execute();
$cacheKeys = [];
foreach ($this->rows as $row) {
if ($row[$column] === NULL) {
continue;
}
$key = $row[$column];
$cacheKeys[$key] = TRUE;
}
if ($cacheKeys) {
$selection = $this->createSelectionInstance($table);
//search for foreign key column name which is referenced from activeRow parent table to table from which is selection made
$foreign = $this->conventions->getForeign($row->getTable()->getName(), $column);
$primary = $foreign == NULL ? $selection->getPrimary() : $foreign;
$selection->where($primary, array_keys($cacheKeys));
} else {
$selection = NULL;
}
}
return $selection;
//return isset($selection[$checkPrimaryKey]) ? $selection[$checkPrimaryKey] : NULL;
}
