OfComponent.php

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<?php

declare(strict_types=1);

namespace ILIAS\Component\Dependencies;

use ILIAS\Component\Component;

class OfComponent implements \ArrayAccess
{
    protected Component $component;
    protected array $dependencies = [];

    public function __construct(Component $component, Dependency ...$ds)
    {
        $this->component = $component;

        foreach ($ds as $d) {
            if (!isset($this->dependencies[(string) $d])) {
                $this->dependencies[(string) $d] = [];
            }
            $this->dependencies[(string) $d][] = $d;
            if ($d instanceof Out) {
                $d->setComponent($this);
            }
        }
    }

    public function getComponent(): Component
    {
        return $this->component;
    }

    public function getComponentName(): string
    {
        return get_class($this->getComponent());
    }

    public function getInDependencies(): \Iterator
    {
        foreach ($this->dependencies as $d) {
            foreach ($d as $i) {
                if ($i instanceof In) {
                    yield $i;
                }
            }
        }
    }

    public function getInDependenciesOf(InType $type): \Iterator
    {
        foreach ($this->dependencies as $d) {
            foreach ($d as $i) {
                if ($i instanceof In && $i->getType() === $type) {
                    yield $i;
                }
            }
        }
    }

    public function getOutDependenciesOf(OutType $type): \Iterator
    {
        foreach ($this->dependencies as $d) {
            foreach ($d as $o) {
                if ($o instanceof Out && $o->getType() === $type) {
                    yield $o;
                }
            }
        }
    }

    public function resetResolutions(): void
    {
        foreach ($this->dependencies as $d) {
            foreach ($d as $o) {
                $o->resetResolutions();
            }
        }
    }

    // ArrayAccess

    public function offsetExists($dependency_description): bool
    {
        return array_key_exists($dependency_description, $this->dependencies);
    }

    public function offsetGet($dependency_description): ?array
    {
        return $this->dependencies[$dependency_description];
    }

    public function offsetSet($offset, $value): void
    {
        throw new \LogicException(
            "Cannot modify dependencies of component."
        );
    }

    public function offsetUnset($offset): void
    {
        throw new \LogicException(
            "Cannot modify dependencies of component."
        );
    }
}