88 lines
1.9 KiB
PHP
88 lines
1.9 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Config\Definition;
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/**
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* Common Interface among all nodes.
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*
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* In most cases, it is better to inherit from BaseNode instead of implementing
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* this interface yourself.
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*
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* @author Johannes M. Schmitt <schmittjoh@gmail.com>
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*/
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interface NodeInterface
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{
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/**
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* Returns the name of the node.
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*
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* @return string The name of the node
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*/
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public function getName();
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/**
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* Returns the path of the node.
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*
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* @return string The node path
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*/
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public function getPath();
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/**
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* Returns true when the node is required.
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*
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* @return Boolean If the node is required
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*/
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public function isRequired();
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/**
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* Returns true when the node has a default value.
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*
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* @return Boolean If the node has a default value
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*/
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public function hasDefaultValue();
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/**
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* Returns the default value of the node.
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*
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* @return mixed The default value
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* @throws \RuntimeException if the node has no default value
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*/
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public function getDefaultValue();
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/**
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* Normalizes the supplied value.
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*
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* @param mixed $value The value to normalize
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*
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* @return mixed The normalized value
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*/
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public function normalize($value);
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/**
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* Merges two values together.
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*
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* @param mixed $leftSide
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* @param mixed $rightSide
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*
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* @return mixed The merged values
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*/
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public function merge($leftSide, $rightSide);
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/**
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* Finalizes a value.
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*
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* @param mixed $value The value to finalize
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*
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* @return mixed The finalized value
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*/
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public function finalize($value);
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}
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