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<?php |
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namespace BaoPham\DynamoDb; |
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/** |
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* Class RawDynamoDbQuery |
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* |
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* @package BaoPham\DynamoDb |
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*/ |
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class RawDynamoDbQuery implements \IteratorAggregate, \ArrayAccess, \Countable |
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{ |
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/** |
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* 'Scan', 'Query', etc. |
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* |
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* @var string |
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*/ |
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public $op; |
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/** |
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* The query body being sent to AWS |
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* |
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* @var array |
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*/ |
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public $query; |
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public function __construct($op, $query) |
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{ |
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$this->op = $op; |
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$this->query = $query; |
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} |
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/** |
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* Perform any final clean up. |
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* Remove any empty values to avoid errors. |
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* |
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* @return $this |
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*/ |
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public function finalize() |
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{ |
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$this->query = array_filter($this->query, function ($value) { |
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return !empty($value) || is_bool($value) || is_numeric($value); |
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}); |
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return $this; |
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} |
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/** |
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* Whether a offset exists |
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* @link http://php.net/manual/en/arrayaccess.offsetexists.php |
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* @param mixed $offset <p> |
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* An offset to check for. |
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* </p> |
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* @return boolean true on success or false on failure. |
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* </p> |
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* <p> |
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* The return value will be casted to boolean if non-boolean was returned. |
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* @since 5.0.0 |
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*/ |
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#[\ReturnTypeWillChange] |
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public function offsetExists($offset) |
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{ |
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return isset($this->internal()[$offset]); |
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} |
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/** |
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* Offset to retrieve |
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* @link http://php.net/manual/en/arrayaccess.offsetget.php |
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* @param mixed $offset <p> |
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* The offset to retrieve. |
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* </p> |
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* @return mixed Can return all value types. |
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* @since 5.0.0 |
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*/ |
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#[\ReturnTypeWillChange] |
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public function offsetGet($offset) |
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{ |
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return $this->internal()[$offset]; |
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} |
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/** |
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* Offset to set |
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* @link http://php.net/manual/en/arrayaccess.offsetset.php |
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* @param mixed $offset <p> |
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* The offset to assign the value to. |
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* </p> |
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* @param mixed $value <p> |
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* The value to set. |
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* </p> |
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* @return void |
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* @since 5.0.0 |
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*/ |
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#[\ReturnTypeWillChange] |
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public function offsetSet($offset, $value) |
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{ |
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$this->internal()[$offset] = $value; |
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} |
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/** |
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* Offset to unset |
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* @link http://php.net/manual/en/arrayaccess.offsetunset.php |
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* @param mixed $offset <p> |
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* The offset to unset. |
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* </p> |
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* @return void |
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* @since 5.0.0 |
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*/ |
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#[\ReturnTypeWillChange] |
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public function offsetUnset($offset) |
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{ |
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unset($this->internal()[$offset]); |
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} |
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/** |
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* Retrieve an external iterator |
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* @link http://php.net/manual/en/iteratoraggregate.getiterator.php |
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* @return \Traversable An instance of an object implementing <b>Iterator</b> or |
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* <b>Traversable</b> |
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* @since 5.0.0 |
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*/ |
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#[\ReturnTypeWillChange] |
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public function getIterator() |
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{ |
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return new \ArrayObject($this->internal()); |
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} |
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/** |
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* Count elements of an object |
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* @link http://php.net/manual/en/countable.count.php |
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* @return int The custom count as an integer. |
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* </p> |
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* <p> |
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* The return value is cast to an integer. |
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* @since 5.1.0 |
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*/ |
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#[\ReturnTypeWillChange] |
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public function count() |
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{ |
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return count($this->internal()); |
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} |
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/** |
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* For backward compatibility, previously we use array to represent the raw query |
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* |
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* @var array |
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* |
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* @return array |
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*/ |
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private function internal() |
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{ |
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return [$this->op, $this->query]; |
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} |
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} |
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baopham /
laravel-dynamodb
