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<?php |
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declare(strict_types=1); |
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namespace Stratadox\TableLoader\Loader; |
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use Stratadox\TableLoader\Loader\ContainsResultingObjects as Result; |
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/** |
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* Wires a relationship together. |
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* |
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* @author Stratadox |
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*/ |
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final class Wire implements WiresObjects |
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{ |
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private $from; |
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private $to; |
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private $relation; |
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private $setter; |
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private function __construct( |
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KnowsWhereToLookFrom $from, |
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KnowsWhereToLook $to, |
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MakesConnections $relation |
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) { |
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$this->from = $from; |
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$this->to = $to; |
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$this->relation = $relation; |
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// @todo use hydrator! |
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$this->setter = function (string $property, $value): void { |
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$this->$property = $value; |
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}; |
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} |
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/** |
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* Makes a new object that wires a relationship together. |
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* |
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* @param KnowsWhereToLookFrom $from Identification for the source entity. |
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* @param KnowsWhereToLook $to Identification for the target entity. |
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* @param MakesConnections $relation The type of relationship. |
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* @return WiresObjects The wiring object. |
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*/ |
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public static function it( |
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KnowsWhereToLookFrom $from, |
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KnowsWhereToLook $to, |
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MakesConnections $relation |
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): WiresObjects { |
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return new Wire($from, $to, $relation); |
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} |
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/** @inheritdoc */ |
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public function wire(Result $objects, array $data): void |
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{ |
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$relationships = $this->relation->load( |
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$this->from, |
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$data, |
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$this->to, |
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$objects |
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); |
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foreach ($relationships as $property => $relations) { |
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$this->writeTo($objects[$this->from->label()], $property, $relations); |
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} |
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} |
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private function writeTo( |
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array $objects, |
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string $property, |
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array $relations |
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): void { |
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foreach ($relations as $id => $relation) { |
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if ($this->from->hereToo($objects[$id])) { |
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$this->setter->call($objects[$id], $property, $relation); |
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} |
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} |
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} |
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} |
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Stratadox /
TableLoader
Loading history...
Let?s assume that you have a directory layout like this:
. |-- OtherDir | |-- Bar.php | `-- Foo.php `-- SomeDir `-- Foo.phpand let?s assume the following content of
Bar.php:If both files
OtherDir/Foo.phpandSomeDir/Foo.phpare loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.phpHowever, as
OtherDir/Foo.phpdoes not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: