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<?php
namespace AlgoWeb\ODataMetadata\Library\Expressions;
use AlgoWeb\ODataMetadata\Enums\ExpressionKind;
use AlgoWeb\ODataMetadata\Enums\ValueKind;
use AlgoWeb\ODataMetadata\Interfaces\Expressions\INullExpression;
use AlgoWeb\ODataMetadata\Library\Values\EdmValue;
class EdmNullExpression extends EdmValue implements INullExpression
{
private static $instance = null;
/**
* @return EdmNullExpression Singleton EdmNullExpression instance.
*/
public static function getEdmNullExpression(): EdmNullExpression{
return self::$instance ?? self::$instance = new self();
}
public function __construct()
parent::__construct(null);
* @inheritDoc
public function getValueKind(): ValueKind
return ValueKind::Null();
public function getExpressionKind(): ExpressionKind
return ExpressionKind::Null();
c-harris /
ODataMetadata
