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Diffstat (limited to 'vendor/ramsey/collection/src/Collection.php')
-rw-r--r-- | vendor/ramsey/collection/src/Collection.php | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/vendor/ramsey/collection/src/Collection.php b/vendor/ramsey/collection/src/Collection.php new file mode 100644 index 000000000..e4db68dfe --- /dev/null +++ b/vendor/ramsey/collection/src/Collection.php @@ -0,0 +1,106 @@ +<?php + +/** + * This file is part of the ramsey/collection library + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + * + * @copyright Copyright (c) Ben Ramsey <ben@benramsey.com> + * @license http://opensource.org/licenses/MIT MIT + */ + +declare(strict_types=1); + +namespace Ramsey\Collection; + +/** + * A collection represents a group of objects. + * + * Each object in the collection is of a specific, defined type. + * + * This is a direct implementation of `CollectionInterface`, provided for + * the sake of convenience. + * + * Example usage: + * + * ``` php + * $collection = new \Ramsey\Collection\Collection('My\\Foo'); + * $collection->add(new \My\Foo()); + * $collection->add(new \My\Foo()); + * + * foreach ($collection as $foo) { + * // Do something with $foo + * } + * ``` + * + * It is preferable to subclass `AbstractCollection` to create your own typed + * collections. For example: + * + * ``` php + * namespace My\Foo; + * + * class FooCollection extends \Ramsey\Collection\AbstractCollection + * { + * public function getType() + * { + * return 'My\\Foo'; + * } + * } + * ``` + * + * And then use it similarly to the earlier example: + * + * ``` php + * $fooCollection = new \My\Foo\FooCollection(); + * $fooCollection->add(new \My\Foo()); + * $fooCollection->add(new \My\Foo()); + * + * foreach ($fooCollection as $foo) { + * // Do something with $foo + * } + * ``` + * + * The benefit with this approach is that you may do type-checking on the + * collection object: + * + * ``` php + * if ($collection instanceof \My\Foo\FooCollection) { + * // the collection is a collection of My\Foo objects + * } + * ``` + */ +class Collection extends AbstractCollection +{ + /** + * The type of elements stored in this collection. + * + * A collection's type is immutable once it is set. For this reason, this + * property is set private. + * + * @var string + */ + private $collectionType; + + /** + * Constructs a collection object of the specified type, optionally with the + * specified data. + * + * @param string $collectionType The type (FQCN) associated with this + * collection. + * @param mixed[] $data The initial items to store in the collection. + */ + public function __construct(string $collectionType, array $data = []) + { + $this->collectionType = $collectionType; + parent::__construct($data); + } + + /** + * Returns the type associated with this collection. + */ + public function getType(): string + { + return $this->collectionType; + } +} |