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File Content: `MetadataInterface.php`

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Validator;

/**
 * A container for validation metadata.
 *
 * The container contains constraints that may belong to different validation
 * groups. Constraints for a specific group can be fetched by calling
 * {@link findConstraints}.
 *
 * Implement this interface to add validation metadata to your own metadata
 * layer. Each metadata may have named properties. Each property can be
 * represented by one or more {@link PropertyMetadataInterface} instances that
 * are returned by {@link getPropertyMetadata}. Since
 * <tt>PropertyMetadataInterface</tt> inherits from <tt>MetadataInterface</tt>,
 * each property may be divided into further properties.
 *
 * The {@link accept} method of each metadata implements the Visitor pattern.
 * The method should forward the call to the visitor's
 * {@link ValidationVisitorInterface::visit} method and additionally call
 * <tt>accept()</tt> on all structurally related metadata instances.
 *
 * For example, to store constraints for PHP classes and their properties,
 * create a class <tt>ClassMetadata</tt> (implementing <tt>MetadataInterface</tt>)
 * and a class <tt>PropertyMetadata</tt> (implementing <tt>PropertyMetadataInterface</tt>).
 * <tt>ClassMetadata::getPropertyMetadata($property)</tt> returns all
 * <tt>PropertyMetadata</tt> instances for a property of that class. Its
 * <tt>accept()</tt>-method simply forwards to <tt>ValidationVisitorInterface::visit()</tt>
 * and calls <tt>accept()</tt> on all contained <tt>PropertyMetadata</tt>
 * instances, which themselves call <tt>ValidationVisitorInterface::visit()</tt>
 * again.
 *
 * @author Bernhard Schussek <bschussek@gmail.com>
 */
interface MetadataInterface
{
    /**
     * Implementation of the Visitor design pattern.
     *
     * Calls {@link ValidationVisitorInterface::visit} and then forwards the
     * <tt>accept()</tt>-call to all property metadata instances.
     *
     * @param ValidationVisitorInterface $visitor      The visitor implementing the validation logic.
     * @param mixed                      $value        The value to validate.
     * @param string|string[]            $group        The validation group to validate in.
     * @param string                     $propertyPath The current property path in the validation graph.
     */
    public function accept(ValidationVisitorInterface $visitor, $value, $group, $propertyPath);

    /**
     * Returns all constraints for a given validation group.
     *
     * @param string $group The validation group.
     *
     * @return Constraint[] A list of constraint instances.
     */
    public function findConstraints($group);
}

Name	Size	Permission
Constraints	---	0755
Exception	---	0755
Mapping	---	0755
Resources	---	0755
ClassBasedInterface.php	572 bytes	0644
Constraint.php	6797 bytes	0644
ConstraintValidator.php	700 bytes	0644
ConstraintValidatorFactory.php	2297 bytes	0644
ConstraintValidatorFactoryInterface.php	775 bytes	0644
ConstraintValidatorInterface.php	899 bytes	0644
ConstraintViolation.php	4334 bytes	0644
ConstraintViolationInterface.php	4353 bytes	0644
ConstraintViolationList.php	3245 bytes	0644
ConstraintViolationListInterface.php	2008 bytes	0644
DefaultTranslator.php	5245 bytes	0644
ExecutionContext.php	8495 bytes	0644
ExecutionContextInterface.php	12355 bytes	0644
GlobalExecutionContextInterface.php	1937 bytes	0644
GroupSequenceProviderInterface.php	597 bytes	0644
MetadataFactoryInterface.php	990 bytes	0644
MetadataInterface.php	2891 bytes	0644
ObjectInitializerInterface.php	817 bytes	0644
PropertyMetadataContainerInterface.php	1209 bytes	0644
PropertyMetadataInterface.php	1258 bytes	0644
Validation.php	1098 bytes	0644
ValidationVisitor.php	6322 bytes	0644
ValidationVisitorInterface.php	3548 bytes	0644
Validator.php	6681 bytes	0644
ValidatorBuilder.php	10082 bytes	0644
ValidatorBuilderInterface.php	5499 bytes	0644
ValidatorInterface.php	3580 bytes	0644
autoloader.php	339 bytes	0644

File Content: MetadataInterface.php

File Content: `MetadataInterface.php`