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<?php |
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/** |
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* Workflow library. |
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* |
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* @package workflow |
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* @author David Molineus <[email protected]> |
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* @copyright 2014-2017 netzmacht David Molineus |
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* @license LGPL 3.0 https://github.com/netzmacht/workflow |
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* @filesource |
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*/ |
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declare(strict_types=1); |
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namespace Netzmacht\Workflow\Data; |
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use Assert\Assertion; |
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/** |
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* Class EntityId identifies an entity by using its row id and provider name. |
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* |
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* @package Netzmacht\Workflow\Data |
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*/ |
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final class EntityId |
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{ |
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/** |
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* The identifier. Usually a database id. |
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* |
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* @var mixed |
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*/ |
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private $identifier; |
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/** |
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* The provider name. Usually the database table name. |
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* |
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* @var string |
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*/ |
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private $providerName; |
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/** |
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* Construct. |
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* |
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* @param string $providerName The provider name. |
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* @param mixed $identifier The identifier. |
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*/ |
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private function __construct(string $providerName, $identifier) |
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{ |
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// cast to int, but not for uuids |
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if (is_numeric($identifier)) { |
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$identifier = (int) $identifier; |
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} |
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$this->providerName = $providerName; |
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$this->identifier = $identifier; |
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} |
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/** |
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* Great the entity id from an string. |
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* |
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* @param string $entityId Entity id as string representation. For example provider::2. |
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* |
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* @return static |
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*/ |
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public static function fromString(string $entityId): self |
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{ |
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list($providerName, $identifier) = explode('::', $entityId, 2); |
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Assertion::notEmpty($providerName); |
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Assertion::notEmpty($identifier); |
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return new static($providerName, $identifier); |
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} |
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/** |
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* Create the entity id by provider name and identifier. |
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* |
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* @param string $providerName The provider name. |
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* @param mixed $identifier The identifier. |
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* |
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* @return static |
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*/ |
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public static function fromProviderNameAndId(string $providerName, $identifier): self |
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{ |
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return new static($providerName, $identifier); |
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} |
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/** |
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* Get the identifier. |
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* |
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* @return mixed |
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*/ |
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public function getIdentifier() |
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{ |
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return $this->identifier; |
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} |
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/** |
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* Get the provider name. |
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* |
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* @return string |
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*/ |
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public function getProviderName(): string |
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{ |
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return $this->providerName; |
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} |
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/** |
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* Consider if it is equal with another entity id. |
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* |
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* @param EntityId $entityId The entity id to compare with. |
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* |
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* @return bool |
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*/ |
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public function equals(EntityId $entityId): bool |
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{ |
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return ((string) $this == (string) $entityId); |
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} |
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/** |
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* Cast entity id to string. |
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* |
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* @return string |
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*/ |
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public function __toString(): string |
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{ |
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return $this->providerName . '::' . $this->identifier; |
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} |
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} |
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netzmacht /
workflow
