4 * This file is part of the Symfony package.
6 * (c) Fabien Potencier <fabien@symfony.com>
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
12 namespace Symfony\Component\Config\Definition\Builder;
14 use Symfony\Component\Config\Definition\VariableNode;
17 * This class provides a fluent interface for defining a node.
19 * @author Johannes M. Schmitt <schmittjoh@gmail.com>
21 class VariableNodeDefinition extends NodeDefinition
26 * @return VariableNode The node
28 protected function instantiateNode()
30 return new VariableNode($this->name, $this->parent);
36 protected function createNode()
38 $node = $this->instantiateNode();
40 if (null !== $this->normalization) {
41 $node->setNormalizationClosures($this->normalization->before);
44 if (null !== $this->merge) {
45 $node->setAllowOverwrite($this->merge->allowOverwrite);
48 if (true === $this->default) {
49 $node->setDefaultValue($this->defaultValue);
52 $node->setAllowEmptyValue($this->allowEmptyValue);
53 $node->addEquivalentValue(null, $this->nullEquivalent);
54 $node->addEquivalentValue(true, $this->trueEquivalent);
55 $node->addEquivalentValue(false, $this->falseEquivalent);
56 $node->setRequired($this->required);
57 $node->setDeprecated($this->deprecationMessage);
59 if (null !== $this->validation) {
60 $node->setFinalValidationClosures($this->validation->rules);