How is Magento\Framework\View\TemplateEnginePool implemented and used?

dmitry_fedyuk · May 6, 2017, 11:31am

Context:

Implementation

magento/magento2/blob/2.1.6/lib/internal/Magento/Framework/View/TemplateEnginePool.php#L9-L48


class TemplateEnginePool
{
/**
 * Factory
 *
 * @var TemplateEngineFactory
 */
protected $factory;


/**
 * Template engines
 *
 * @var \Magento\Framework\View\TemplateEngineInterface[]
 */
protected $engines = [];


/**
 * Constructor
 *
 * @param TemplateEngineFactory $factory
 */
public function __construct(TemplateEngineFactory $factory)
{
    $this->factory = $factory;
}


/**
 * Retrieve a template engine instance by its unique name
 *
 * @param string $name
 * @return \Magento\Framework\View\TemplateEngineInterface
 */
public function get($name)
{
    if (!isset($this->engines[$name])) {
        $this->engines[$name] = $this->factory->create($name);
    }
    return $this->engines[$name];
}
}

The single usage: Magento\Framework\View\Element\Template\Context

github.com

magento/magento2/blob/2.1.6/lib/internal/Magento/Framework/View/Element/Template/Context.php#L38-L43


/**
 * Template engine pool
 *
 * @var \Magento\Framework\View\TemplateEnginePool
 */
protected $enginePool;

github.com

magento/magento2/blob/2.1.6/lib/internal/Magento/Framework/View/Element/Template/Context.php#L95-L95


* @param \Magento\Framework\View\TemplateEnginePool $enginePool

github.com

magento/magento2/blob/2.1.6/lib/internal/Magento/Framework/View/Element/Template/Context.php#L124-L124


\Magento\Framework\View\TemplateEnginePool $enginePool,

Magento\Framework\View\Element\Template\Context::getEnginePool()

github.com

magento/magento2/blob/2.1.6/lib/internal/Magento/Framework/View/Element/Template/Context.php#L211-L219


/**
 * Get the template engine pool instance
 *
 * @return \Magento\Framework\View\TemplateEnginePool
 */
public function getEnginePool()
{
    return $this->enginePool;
}