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1 <?php
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2
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3 /*
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4 * This file is part of the Symfony package.
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5 *
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6 * (c) Fabien Potencier <fabien@symfony.com>
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7 *
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8 * For the full copyright and license information, please view the LICENSE
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9 * file that was distributed with this source code.
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10 */
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11
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12 namespace Symfony\Component\DependencyInjection\Loader\Configurator\Traits;
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13
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14 use Symfony\Component\DependencyInjection\ChildDefinition;
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15 use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
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16
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17 /**
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18 * @method $this parent(string $parent)
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19 */
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20 trait ParentTrait
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21 {
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22 /**
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23 * Sets the Definition to inherit from.
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24 *
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25 * @param string $parent
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26 *
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27 * @return $this
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28 *
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29 * @throws InvalidArgumentException when parent cannot be set
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30 */
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31 final protected function setParent($parent)
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32 {
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33 if (!$this->allowParent) {
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34 throw new InvalidArgumentException(sprintf('A parent cannot be defined when either "_instanceof" or "_defaults" are also defined for service prototype "%s".', $this->id));
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35 }
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36
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37 if ($this->definition instanceof ChildDefinition) {
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38 $this->definition->setParent($parent);
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39 } elseif ($this->definition->isAutoconfigured()) {
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40 throw new InvalidArgumentException(sprintf('The service "%s" cannot have a "parent" and also have "autoconfigure". Try disabling autoconfiguration for the service.', $this->id));
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41 } elseif ($this->definition->getBindings()) {
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42 throw new InvalidArgumentException(sprintf('The service "%s" cannot have a "parent" and also "bind" arguments.', $this->id));
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43 } else {
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44 // cast Definition to ChildDefinition
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45 $definition = serialize($this->definition);
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46 $definition = substr_replace($definition, '53', 2, 2);
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47 $definition = substr_replace($definition, 'Child', 44, 0);
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48 $definition = unserialize($definition);
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49
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50 $this->definition = $definition->setParent($parent);
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51 }
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52
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53 return $this;
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54 }
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55 }
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