--- /dev/null
+<?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\DependencyInjection\Loader\Configurator\Traits;
+
+use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
+
+trait FactoryTrait
+{
+ /**
+ * Sets a factory.
+ *
+ * @param string|array $factory A PHP callable reference
+ *
+ * @return $this
+ */
+ final public function factory($factory)
+ {
+ if (is_string($factory) && 1 === substr_count($factory, ':')) {
+ $factoryParts = explode(':', $factory);
+
+ throw new InvalidArgumentException(sprintf('Invalid factory "%s": the `service:method` notation is not available when using PHP-based DI configuration. Use "[ref(\'%s\'), \'%s\']" instead.', $factory, $factoryParts[0], $factoryParts[1]));
+ }
+
+ $this->definition->setFactory(static::processValue($factory, true));
+
+ return $this;
+ }
+}