Your IP : 216.73.216.43
<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\CatalogSearch\Model\ResourceModel;
/**
* CatalogSearch Index Engine Interface
*
* @api
* @since 100.0.2
*/
interface EngineInterface
{
/**
* Field prefix constant
*
* @deprecated mysql search engine has been removed
* @see \Magento\Framework\Search\EngineResolverInterface
*/
const FIELD_PREFIX = 'attr_';
/**
* Scope identifier constant
*
* @deprecated since using engine resolver
* @see \Magento\Framework\Search\EngineResolverInterface
*/
const SCOPE_IDENTIFIER = 'scope';
/**
* Configuration path by which current indexer handler stored
*
* @deprecated since using engine resolver
* @see \Magento\Framework\Search\EngineResolverInterface
*/
const CONFIG_ENGINE_PATH = 'catalog/search/engine';
/**
* Retrieve allowed visibility values for current engine
*
* @return array
*/
public function getAllowedVisibility();
/**
* Define if current search engine supports advanced index
*
* @return bool
*/
public function allowAdvancedIndex();
/**
* Prepare attribute value to store in index
*
* @param \Magento\Eav\Model\Entity\Attribute $attribute
* @param mixed $value
* @return mixed
*/
public function processAttributeValue($attribute, $value);
/**
* Prepare index array as a string glued by separator
*
* @param array $index
* @param string $separator
* @return array
*/
public function prepareEntityIndex($index, $separator = ' ');
}