| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  * This file is part of graze/data-node | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * Copyright (c) 2016 Nature Delivered Ltd. <https://www.graze.com> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * For the full copyright and license information, please view the LICENSE | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * file that was distributed with this source code. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  * @license https://github.com/graze/data-node/blob/master/LICENSE.md | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  * @link    https://github.com/graze/data-node | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  | namespace Graze\DataNode; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  | use Graze\DataStructure\Collection\Collection; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  | use InvalidArgumentException; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |  * Class NodeCollection | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |  * A Collection of DataNodes that can be acted upon by a flow | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |  * @package Graze\DataFlow\Node | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  | class NodeCollection extends Collection implements NodeCollectionInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |      * @param mixed $value | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |      * @return $this | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 | 11 |  |     public function add($value) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 | 11 |  |         if (!($value instanceof NodeInterface)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 | 1 |  |             throw new InvalidArgumentException("The specified value does not implement NodeInterface"); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 | 10 |  |         return parent::add($value); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |      * @param callable $fn | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |      * @return $this | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 | 2 |  |     public function apply(callable $fn) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 | 2 |  |         foreach ($this->items as &$item) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 | 2 |  |             $out = call_user_func($fn, $item); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 | 2 |  |             if (isset($out) && ($out instanceof NodeInterface)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 | 1 |  |                 $item = $out; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 | 1 |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 | 2 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 | 2 |  |         return $this; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |      * On clone, clone all flows too | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 | 1 |  |     public function __clone() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 | 1 |  |         foreach ($this->items as &$item) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 | 1 |  |             $item = clone $item; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 | 1 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 | 1 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 | 1 |  |     public function __toString() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 | 1 |  |         return "NodeCollection"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |      * @inheritdoc | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 | 1 |  |     public function getClone() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 | 1 |  |         return clone $this; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |      * Retrieve the first element that matches the optional callback | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |      * @param callable|null $fn | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |      * @param mixed|null    $default | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |      * @return mixed|null | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 91 |  |  |      */ | 
            
                                                                        
                            
            
                                                                    
                                                                                                        
            
            
                | 92 | 3 | View Code Duplication |     public function first(callable $fn = null, $default = null) | 
                            
                    |  |  |  | 
                                                                                        
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                | 93 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 94 | 3 |  |         if (is_null($fn)) { | 
            
                                                                        
                            
            
                                    
            
            
                | 95 | 1 |  |             return count($this->items) > 0 ? reset($this->items) : $default; | 
            
                                                                        
                            
            
                                    
            
            
                | 96 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 97 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 98 | 2 |  |         foreach ($this->getIterator() as $value) { | 
            
                                                                        
                            
            
                                    
            
            
                | 99 | 2 |  |             if (call_user_func($fn, $value)) { | 
            
                                                                        
                            
            
                                    
            
            
                | 100 | 1 |  |                 return $value; | 
            
                                                                        
                            
            
                                    
            
            
                | 101 |  |  |             } | 
            
                                                                        
                            
            
                                    
            
            
                | 102 | 2 |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 103 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 104 | 1 |  |         return $default; | 
            
                                                                        
                            
            
                                    
            
            
                | 105 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |      * Receive the last element that matches the optional callback | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |      * @param callable|null $fn | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |      * @param mixed|null    $default | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |      * @return mixed|null | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |      */ | 
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 115 | 3 | View Code Duplication |     public function last(callable $fn = null, $default = null) | 
                            
                    |  |  |  | 
                                                                                        
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                | 116 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 | 3 |  |         if (is_null($fn)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 | 1 |  |             return count($this->items) > 0 ? end($this->items) : $default; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 | 2 |  |         foreach (array_reverse($this->items) as $value) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 | 2 |  |             if (call_user_func($fn, $value)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 | 1 |  |                 return $value; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 | 2 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 | 1 |  |         return $default; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 129 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 130 |  |  |  | 
            
                        
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.