FilteredAttributesBuilder.php

<?php

declare (strict_types=1);
namespace OpenTelemetry\SDK\Common\Attribute;

use function in_array;

/**
 * @internal
 */
final class FilteredAttributesBuilder implements AttributesBuilderInterface {
    private int $rejected = 0;
    
    /**
     * @param list<string> $rejectedKeys
     */
    public function __construct(AttributesBuilderInterface $builder, array $rejectedKeys) {
    }
    public function __clone() {
        $this->builder = clone $this->builder;
    }
    public function build() : AttributesInterface {
        $attributes = $this->builder
            ->build();
        $dropped = $attributes->getDroppedAttributesCount() + $this->rejected;
        return new Attributes($attributes->toArray(), $dropped);
    }
    public function merge(AttributesInterface $old, AttributesInterface $updating) : AttributesInterface {
        return $this->builder
            ->merge($old, $updating);
    }
    public function offsetExists($offset) : bool {
        return $this->builder
            ->offsetExists($offset);
    }
    
    /**
     * @phan-suppress PhanUndeclaredClassAttribute
     */
    public function offsetGet(mixed $offset) : mixed {
        return $this->builder
            ->offsetGet($offset);
    }
    
    /**
     * @phan-suppress PhanUndeclaredClassAttribute
     */
    public function offsetSet($offset, $value) : void {
        if ($value !== null && in_array($offset, $this->rejectedKeys, true)) {
            $this->rejected++;
            return;
        }
        $this->builder
            ->offsetSet($offset, $value);
    }
    
    /**
     * @phan-suppress PhanUndeclaredClassAttribute
     */
    public function offsetUnset($offset) : void {
        $this->builder
            ->offsetUnset($offset);
    }

}