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<?php
/*
* This file is part of the JVal package.
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace JVal\Constraint;
use JVal\Constraint;
use JVal\Context;
use JVal\Exception\Constraint\InvalidTypeException;
use JVal\Types;
use JVal\Walker;
use stdClass;
/**
* Constraint for the "not" keyword.
class NotConstraint implements Constraint
{
* {@inheritdoc}
public function keywords()
return ['not'];
}
public function supports($type)
return true;
public function normalize(stdClass $schema, Context $context, Walker $walker)
$context->enterNode('not');
if (!is_object($schema->not)) {
throw new InvalidTypeException($context, Types::TYPE_OBJECT);
$walker->parseSchema($schema->not, $context);
$context->leaveNode();
public function apply($instance, stdClass $schema, Context $context, Walker $walker)
$altContext = $context->duplicate();
$walker->applyConstraints($instance, $schema->not, $altContext);
if ($altContext->countViolations() === $context->countViolations()) {
$context->addViolation('should not match schema in "not"');
stefk /
JVal
