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   1  <?php
   2  /*
   3   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   4   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   5   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   6   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   7   * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   8   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   9   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  10   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  11   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  12   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  13   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  14   *
  15   * This software consists of voluntary contributions made by many individuals
  16   * and is licensed under the MIT license.
  17   */
  18  
  19  declare(strict_types=1);
  20  
  21  namespace ProxyManager\ProxyGenerator\LazyLoading\MethodGenerator;
  22  
  23  use ProxyManager\Generator\MethodGenerator;
  24  use ProxyManager\ProxyGenerator\Util\Properties;
  25  use ProxyManager\ProxyGenerator\Util\UnsetPropertiesGenerator;
  26  use Zend\Code\Generator\ParameterGenerator;
  27  use Zend\Code\Generator\PropertyGenerator;
  28  
  29  /**
  30   * The `staticProxyConstructor` implementation for lazy loading proxies
  31   *
  32   * @author Marco Pivetta <ocramius@gmail.com>
  33   * @license MIT
  34   */
  35  class StaticProxyConstructor extends MethodGenerator
  36  {
  37      /**
  38       * Static constructor
  39       *
  40       * @param PropertyGenerator $initializerProperty
  41       * @param Properties        $properties
  42       *
  43       * @throws \Zend\Code\Generator\Exception\InvalidArgumentException
  44       */
  45      public function __construct(PropertyGenerator $initializerProperty, Properties $properties)
  46      {
  47          parent::__construct('staticProxyConstructor', [], static::FLAG_PUBLIC | static::FLAG_STATIC);
  48  
  49          $this->setParameter(new ParameterGenerator('initializer'));
  50  
  51          $this->setDocBlock("Constructor for lazy initialization\n\n@param \\Closure|null \$initializer");
  52          $this->setBody(
  53              'static $reflection;' . "\n\n"
  54              . '$reflection = $reflection ?: $reflection = new \ReflectionClass(__CLASS__);' . "\n"
  55              . '$instance = (new \ReflectionClass(get_class()))->newInstanceWithoutConstructor();' . "\n\n"
  56              . UnsetPropertiesGenerator::generateSnippet($properties, 'instance')
  57              . '$instance->' . $initializerProperty->getName() . ' = $initializer;' . "\n\n"
  58              . 'return $instance;'
  59          );
  60      }
  61  }