Merge remote-tracking branch 'owls/MAGETWO-93994-deprecate-mysql-fts' into BugFixPR

Author: Joan He

app/code/Magento/CatalogSearch/Block/Advanced/Form.php

@@ -23,6 +23,8 @@
 /**
  * @api
  * @since 100.0.2
+ * @deprecated CatalogSearch will be removed in 2.4, and {@see \Magento\ElasticSearch}
+ *             will replace it as the default search engine.
  */
 class Form extends Template
 {

app/code/Magento/CatalogSearch/Block/Advanced/Result.php

@@ -18,6 +18,8 @@
  *
  * @api
  * @since 100.0.2
+ * @deprecated CatalogSearch will be removed in 2.4, and {@see \Magento\ElasticSearch}
+ *             will replace it as the default search engine.
  */
 class Result extends Template
 {

app/code/Magento/CatalogSearch/Block/Plugin/FrontTabPlugin.php

@@ -12,6 +12,8 @@
 
 /**
  * Plugin for Magento\Catalog\Block\Adminhtml\Product\Attribute\Edit\Tab\Front
+ * @deprecated CatalogSearch will be removed in 2.4, and {@see \Magento\ElasticSearch}
+ *             will replace it as the default search engine.
  */
 class FrontTabPlugin
 {

app/code/Magento/CatalogSearch/Block/Result.php

@@ -18,6 +18,8 @@
  *
  * @api
  * @since 100.0.2
+ * @deprecated CatalogSearch will be removed in 2.4, and {@see \Magento\ElasticSearch}
+ *             will replace it as the default search engine.
  */
 class Result extends Template
 {

app/code/Magento/CatalogSearch/Block/SearchTermsLog.php

@@ -10,6 +10,8 @@
 
 /**
  * Class for logging search terms on cached pages
+ * @deprecated CatalogSearch will be removed in 2.4, and {@see \Magento\ElasticSearch}
+ *             will replace it as the default search engine.
  */
 class SearchTermsLog implements ArgumentInterface
 {

app/code/Magento/CatalogSearch/Controller/Advanced/Index.php

@@ -8,6 +8,10 @@
 
 use Magento\Framework\Controller\ResultFactory;
 
+/**
+ * @deprecated CatalogSearch will be removed in 2.4, and {@see \Magento\ElasticSearch}
+ *             will replace it as the default search engine.
+ */
 class Index extends \Magento\Framework\App\Action\Action
 {
     /**

app/code/Magento/CatalogSearch/Controller/Advanced/Result.php

@@ -10,6 +10,10 @@
 use Magento\Framework\App\Action\Context;
 use Magento\Framework\UrlFactory;
 
+/**
+ * @deprecated CatalogSearch will be removed in 2.4, and {@see \Magento\ElasticSearch}
+ *             will replace it as the default search engine.
+ */
 class Result extends \Magento\Framework\App\Action\Action
 {
     /**

app/code/Magento/CatalogSearch/Controller/Result/Index.php

@@ -13,6 +13,10 @@
 use Magento\Search\Model\QueryFactory;
 use Magento\Search\Model\PopularSearchTerms;
 
+/**
+ * @deprecated CatalogSearch will be removed in 2.4, and {@see \Magento\ElasticSearch}
+ *             will replace it as the default search engine.
+ */
 class Index extends \Magento\Framework\App\Action\Action
 {
     /**

app/code/Magento/CatalogSearch/Controller/SearchTermsLog/Save.php

@@ -15,6 +15,8 @@
 
 /**
  * Controller for save search terms
+ * @deprecated CatalogSearch will be removed in 2.4, and {@see \Magento\ElasticSearch}
+ *             will replace it as the default search engine.
  */
 class Save extends \Magento\Framework\App\Action\Action
 {

app/code/Magento/CatalogSearch/Helper/Data.php

@@ -10,6 +10,8 @@
  *
  * @api
  * @since 100.0.2
+ * @deprecated CatalogSearch will be removed in 2.4, and {@see \Magento\ElasticSearch}
+ *             will replace it as the default search engine.
  */
 class Data extends \Magento\Search\Helper\Data
 {