StrategyChain.php in Zircon Profile 8

Namespace

Zend\Hydrator\Strategy

File

vendor/zendframework/zend-hydrator/src/Strategy/StrategyChain.php

<?php

/**
 * Zend Framework (http://framework.zend.com/)
 *
 * @link      http://github.com/zendframework/zf2 for the canonical source repository
 * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
 * @license   http://framework.zend.com/license/new-bsd New BSD License
 */
namespace Zend\Hydrator\Strategy;

use Traversable;
use Zend\Stdlib\ArrayUtils;
class StrategyChain implements StrategyInterface {

  /**
   * Strategy chain for extraction
   *
   * @var StrategyInterface[]
   */
  private $extractionStrategies;

  /**
   * Strategy chain for hydration
   *
   * @var StrategyInterface[]
   */
  private $hydrationStrategies;

  /**
   * Constructor
   *
   * @param array|Traversable $extractionStrategies
   */
  public function __construct($extractionStrategies) {
    $extractionStrategies = ArrayUtils::iteratorToArray($extractionStrategies);
    $this->extractionStrategies = array_map(function (StrategyInterface $strategy) {

      // this callback is here only to ensure type-safety
      return $strategy;
    }, $extractionStrategies);
    $this->hydrationStrategies = array_reverse($extractionStrategies);
  }

  /**
   * {@inheritDoc}
   */
  public function extract($value) {
    foreach ($this->extractionStrategies as $strategy) {
      $value = $strategy
        ->extract($value);
    }
    return $value;
  }

  /**
   * {@inheritDoc}
   */
  public function hydrate($value) {
    foreach ($this->hydrationStrategies as $strategy) {
      $value = $strategy
        ->hydrate($value);
    }
    return $value;
  }

}

Classes

Name	Description
StrategyChain