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<?php |
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declare(strict_types=1); |
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namespace PhpValueObjects\Collection; |
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use PhpValueObjects\Collection\Exception\InvalidCollectionObjectException; |
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abstract class ObjectCollection |
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{ |
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protected $objects; |
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public function __construct(array $objects) |
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{ |
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foreach ($objects as $object) { |
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if (false === is_a($object, $this->setClassName())) { |
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throw new InvalidCollectionObjectException($object, $this->setClassName()); |
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} |
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} |
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$this->objects = $objects; |
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} |
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public static function init(): self |
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{ |
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return new static([]); |
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} |
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abstract protected function setClassName(): string; |
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public function getCollection(): array |
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{ |
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return $this->objects; |
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} |
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public function first() |
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{ |
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return reset($this->objects); |
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} |
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public function last() |
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{ |
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return end($this->objects); |
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} |
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public function key() |
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{ |
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return key($this->getCollection()); |
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} |
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public function next() |
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{ |
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return next($this->objects); |
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} |
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public function current() |
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{ |
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return current($this->objects); |
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} |
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public function remove($key) |
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{ |
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if (!isset($this->objects[$key]) && !array_key_exists($key, $this->objects)) { |
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return null; |
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} |
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$removed = $this->objects[$key]; |
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unset($this->objects[$key]); |
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return $removed; |
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} |
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public function removeElement($element): bool |
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{ |
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$key = array_search($element, $this->objects, true); |
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if ($key === false) { |
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return false; |
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} |
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unset($this->objects[$key]); |
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return true; |
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} |
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public function contains($element): bool |
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{ |
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return in_array($element, $this->objects, true); |
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} |
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public function get($key) |
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{ |
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return $this->objects[$key] ?? null; |
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} |
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public function getKeys() |
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{ |
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return array_keys($this->objects); |
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} |
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public function getValues() |
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{ |
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return array_values($this->objects); |
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} |
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public function count(): int |
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{ |
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return count($this->objects); |
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} |
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public function set($key, $value): void |
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{ |
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$this->objects[$key] = $value; |
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} |
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public function add($element): void |
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{ |
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$this->objects[] = $element; |
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} |
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public function isEmpty(): bool |
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{ |
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return empty($this->objects); |
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} |
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public function clear(): void |
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{ |
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$this->objects = []; |
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} |
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} |
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bruli /
php-value-objects
