remorhaz / php-json-pointer

src/Query/QueryResult.php

<?php

declare(strict_types=1);

namespace Remorhaz\JSON\Pointer\Query;

use Remorhaz\JSON\Data\Value\NodeValueInterface;
use Remorhaz\JSON\Pointer\Locator\ReferenceInterface;

final class QueryResult implements QueryResultInterface
{

    private $source;

    private $selection;

    private $parent;

    private $lastReference;

    public function __construct(
        string $source,
        ?NodeValueInterface $selection = null,
        ?NodeValueInterface $parent = null,
        ?ReferenceInterface $lastReference = null
    ) {
        $this->source = $source;
        $this->selection = $selection;
        $this->parent = $parent;
        $this->lastReference = $lastReference;
    }

    public function getSource(): string
    {
        return $this->source;
    }

    public function getSelection(): NodeValueInterface
    {
        if (isset($this->selection)) {
            return $this->selection;

The expression return $this->selection could return the type null which is incompatible with the type-hinted return Remorhaz\JSON\Data\Value\NodeValueInterface. Consider adding an additional type-check to rule them out.

        }

        throw new Exception\SelectionNotFoundException($this->source);
    }

    public function hasSelection(): bool
    {
        return isset($this->selection);
    }

    public function getParent(): NodeValueInterface
    {
        if (isset($this->parent)) {
            return $this->parent;

The expression return $this->parent could return the type null which is incompatible with the type-hinted return Remorhaz\JSON\Data\Value\NodeValueInterface. Consider adding an additional type-check to rule them out.

        }

        throw new Exception\ParentNotFoundException($this->source);
    }

    public function hasParent(): bool
    {
        return isset($this->parent);
    }

    public function getLastReference(): ReferenceInterface
    {
        if (isset($this->lastReference)) {
            return $this->lastReference;

The expression return $this->lastReference could return the type null which is incompatible with the type-hinted return Remorhaz\JSON\Pointer\Locator\ReferenceInterface. Consider adding an additional type-check to rule them out.

        }

        throw new Exception\LastReferenceNotFoundException($this->source);
    }

    public function hasLastReference(): bool
    {
        return isset($this->lastReference);
    }
}