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<?php |
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/** |
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* Sandro Keil (https://sandro-keil.de) |
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* |
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* @link http://github.com/sandrokeil/arangodb-php-client for the canonical source repository |
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* @copyright Copyright (c) 2018-2019 Sandro Keil |
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* @license http://github.com/sandrokeil/arangodb-php-client/blob/master/LICENSE.md New BSD License |
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*/ |
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declare(strict_types=1); |
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namespace ArangoDb\Statement; |
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use ArangoDb\Util\Json; |
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use Psr\Http\Message\StreamInterface; |
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class ArrayStreamHandler implements StreamHandler |
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{ |
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/** |
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* @var mixed |
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*/ |
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private $data; |
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/** |
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* Current position in result set iteration (zero-based) |
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* |
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* @var int |
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*/ |
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private $position = 0; |
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/** |
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* Total length of result set (in number of documents) |
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* |
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* @var int |
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*/ |
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private $length; |
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public function __construct(StreamInterface $stream) |
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{ |
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$this->data = Json::decode($stream->getContents()); |
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$this->length = count($this->data['result']); |
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} |
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public function result(): array |
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{ |
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return $this->data['result']; |
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} |
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public function cursorId(): ?string |
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{ |
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return $this->data['id'] ?? null; |
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} |
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public function hasMore(): bool |
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{ |
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return $this->data['hasMore'] ?? false; |
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} |
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public function appendStream(StreamInterface $stream): void |
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{ |
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$data = Json::decode($stream->getContents()); |
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$data['result'] = array_merge($this->data['result'], $data['result']); |
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$this->data = $data; |
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$this->length = count($this->data['result']); |
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} |
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/** |
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* Get the total number of results in the cursor. |
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* |
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* This might issue additional HTTP requests to fetch any outstanding results from the server. |
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* |
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* @return int Total number of results |
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*/ |
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public function count() |
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{ |
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return $this->length; |
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} |
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/** |
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* Rewind the cursor, loads first batch, can be repeated (new cursor will be created) |
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* |
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* @return void |
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*/ |
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public function rewind() |
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{ |
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$this->position = 0; |
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} |
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/** |
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* Return the current result row depending on entry type |
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* |
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* @return string|array|object Data |
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*/ |
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public function current() |
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{ |
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return $this->data['result'][$this->position]; |
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} |
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public function key(): int |
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{ |
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return $this->position; |
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} |
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public function next(): void |
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{ |
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$this->position++; |
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} |
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/** |
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* @return bool |
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*/ |
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public function valid(): bool |
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{ |
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if ($this->position <= $this->length - 1) { |
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// we have more results than the current position is |
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return true; |
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} |
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return ($this->position <= $this->length - 1); |
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} |
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public function writesExecuted(): ?int |
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{ |
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return $this->data['extra']['stats']['writesExecuted'] ?? null; |
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} |
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public function writesIgnored(): ?int |
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{ |
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return $this->data['extra']['stats']['writesIgnored'] ?? null; |
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} |
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public function scannedFull(): ?int |
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{ |
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return $this->data['extra']['stats']['scannedFull'] ?? null; |
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} |
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public function scannedIndex(): ?int |
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{ |
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return $this->data['extra']['stats']['scannedIndex'] ?? null; |
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} |
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public function filtered(): ?int |
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{ |
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return $this->data['extra']['stats']['filtered'] ?? null; |
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} |
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public function fullCount(): ?int |
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{ |
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return $this->data['extra']['stats']['fullCount'] ?? null; |
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} |
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public function warnings(): array |
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{ |
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return $this->data['extra']['warnings'] ?? []; |
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} |
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public function isCached(): bool |
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{ |
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return $this->data['cached'] ?? false; |
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} |
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} |
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sandrokeil /
arangodb-php-client
