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<?php
declare(strict_types=1);
namespace OpenTelemetry\SDK\Common\Attribute;
use function in_array;
/**
* @internal
*/
final class FilteredAttributesBuilder implements AttributesBuilderInterface
{
private AttributesBuilderInterface $builder;
private array $rejectedKeys;
private int $rejected = 0;
/**
* @param list<string> $rejectedKeys
*/
public function __construct(AttributesBuilderInterface $builder, array $rejectedKeys)
{
$this->builder = $builder;
$this->rejectedKeys = $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(), $dropped);
}
public function offsetExists($offset): bool
{
return $this->builder->offsetExists($offset);
}
/**
* @phan-suppress PhanUndeclaredClassAttribute
*/
#[\ReturnTypeWillChange]
public function offsetGet($offset)
{
return $this->builder->offsetGet($offset);
}
/**
* @phan-suppress PhanUndeclaredClassAttribute
*/
#[\ReturnTypeWillChange]
public function offsetSet($offset, $value)
{
if ($value !== null && in_array($offset, $this->rejectedKeys, true)) {
$this->rejected++;
return;
}
$this->builder->offsetSet($offset, $value);
}
/**
* @phan-suppress PhanUndeclaredClassAttribute
*/
#[\ReturnTypeWillChange]
public function offsetUnset($offset)
{
$this->builder->offsetUnset($offset);
}
}
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