lithium\data\source\mongo_db\Result::_fetch()

Implements lithium\data\source\Result::_fetch()

protected method

Fetches the next result from the resource.

Returns

array|boolean|null

Returns a key/value pair for the next result, null if there is none, false if something bad happened.

Source

	protected function _fetch() {
		if (!$this->_resource) {
			return false;
		}
		if (!$this->_subIterator) {
			$this->_resource->setTypeMap(['root' => 'array', 'document' => 'array']);
			$this->_subIterator = new IteratorIterator($this->_resource);
			$this->_subIterator->rewind();
		}
		if (!$this->_subIterator->valid()) {
			return;
		}
		$result = $this->_subIterator->current();
		$this->_subIterator->next();

		return [$this->_iterator, $result];
	}