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<?php declare(strict_types = 1);
/*
 * Copyright (c) 2020, Josef Kufner  <josef@kufner.cz>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
namespace Smalldb\StateMachine\DtoExtension\Annotation;
use Smalldb\StateMachine\Definition\AnnotationReader\RecursiveAnnotationIncludeInterface;
use Smalldb\StateMachine\Definition\AnnotationReader\ApplyToStateMachineBuilderInterface;
use Smalldb\StateMachine\Definition\Builder\StateMachineDefinitionBuilder;
use Smalldb\StateMachine\DtoExtension\Definition\DtoExtensionPlaceholder;
/**
 * @Annotation
 * @Target({"CLASS"})
 */
class WrapDTO implements ApplyToStateMachineBuilderInterface, RecursiveAnnotationIncludeInterface
{
    public string $dtoClassName;
    public function applyToBuilder(StateMachineDefinitionBuilder $builder): void
    {
        if (!class_exists($this->dtoClassName)) {
            throw new \InvalidArgumentException("WrapDTO requires a class name of existing class: " . $this->dtoClassName);
        }
        /** @var DtoExtensionPlaceholder $extPlaceholder */
        $extPlaceholder = $builder->getExtensionPlaceholder(DtoExtensionPlaceholder::class);
        $extPlaceholder->dtoClassName = $this->dtoClassName;
    }
    public function getIncludedClassNames(): \Generator
    {
        if ($this->dtoClassName) {
            yield $this->dtoClassName;
        }
    }
}