/**
* Perform cursor fetching.
*
* @param string $name Property name.
* @param array $options Cursor ResultSet configuration options.
* @return ResultSet
*/
public function fetchCursor($name, $options = [])
{
$options += ['entityClass' => 'Cake\\ORM\\Entity'];
if ($this->isNew()) {
throw new InvalidArgumentException('Cannot fetch cursor on not executed request');
}
$parameter = $this->_repository->schema()->parameter($name);
if (empty($parameter)) {
throw new InvalidArgumentException('Cannot fetch cursor for not declared parameter');
}
if ($parameter['type'] !== 'cursor') {
throw new InvalidArgumentException('Cannot fetch cursor for parameter that have wrong type');
}
$property = $this->get($name);
$statement = $this->_repository->connection()->prepareMethod($property);
$statement->queryString = __('fetch {0} cursor', $name);
$statement->execute();
return new ResultSet($this->_repository, $statement, $options);
}
/**
* Constructor
*
* @param Method $repository Method object instance.
* @param \Cake\Database\StatementInterface $statement The statement to fetch from
* @param array $options Additional resultset options that setup result entity.
* @internal param \Cake\ORM\Query $query Query from where results come
*/
public function __construct($repository, $statement, $options = [])
{
$options += ['entityClass' => 'Cake\\ORM\\Entity', 'hydrate' => true, 'useBuffering' => false, 'schema' => []];
$this->_statement = $statement;
$this->_driver = $repository->connection()->driver();
$this->_hydrate = $options['hydrate'];
$this->_entityClass = $options['entityClass'];
$this->_useBuffering = $options['useBuffering'];
$this->_schema = $options['schema'];
$this->_types = $this->_getTypes(array_keys($this->_schema));
if ($this->_useBuffering) {
$count = $this->count();
$this->_results = new SplFixedArray($count);
}
}
