Added copyright notices, end blank lines, extension attributes getter/setter, and method descriptions in GroupedItemQtyInterface, GroupedItemQty, and CartItemProcessor

Author: Shawn Abramson

app/code/Magento/GroupedProduct/Api/Data/GroupedItemQtyInterface.php

@@ -1,33 +1,60 @@
 <?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
 
 namespace Magento\GroupedProduct\Api\Data;
 
+/**
+ * Object that contains quantity information for a single associated product of a Grouped Product
+ *
+ * Interface \Magento\GroupedProduct\Api\Data\GroupedItemQtyInterface
+ */
 interface GroupedItemQtyInterface extends \Magento\Framework\Api\ExtensibleDataInterface
 {
     const PRODUCT_ID = 'product_id';
     const QTY        = 'qty';
 
     /**
-     * Associated product id
+     * Set associated product id
      *
      * @param int|string $value
      */
     public function setProductId($value);
 
     /**
-     * Associated product id
+     * Get associated product id
      *
      * @return int|string
      */
     public function getProductId();
 
     /**
+     * Set associated product qty
+     *
      * @param int|string $qty
      */
     public function setQty($qty);
 
     /**
+     * Get associated product qty
+     *
      * @return int
      */
     public function getQty();
-}
+
+    /**
+     * @param \Magento\GroupedProduct\Api\Data\GroupedItemQtyExtensionInterface $extensionAttributes
+     *
+     * @return $this
+     */
+    public function setExtensionAttributes(
+        \Magento\GroupedProduct\Api\Data\GroupedItemQtyExtensionInterface $extensionAttributes
+    );
+
+    /**
+     * @return \Magento\GroupedProduct\Api\Data\GroupedItemQtyExtensionInterface|null
+     */
+    public function getExtensionAttributes();
+}

app/code/Magento/GroupedProduct/Model/Quote/Item/CartItemProcessor.php

@@ -1,4 +1,8 @@
 <?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
 
 namespace Magento\GroupedProduct\Model\Quote\Item;
 
@@ -8,7 +12,9 @@
 use Magento\Quote\Model\Quote\Item\CartItemProcessorInterface;
 
 /**
- * Class CartItemProcessor
+ * A class that converts the Grouped Product super group, as received over RESTful API, into the format needed within the buy request
+ *
+ * Class \Magento\GroupedProduct\Model\Quote\Item\CartItemProcessor
  */
 class CartItemProcessor implements CartItemProcessorInterface
 {
@@ -28,6 +34,9 @@ public function __construct(ObjectFactory $objectFactory)
     }
 
     /**
+     *
+     * Converts the super_group request data into the same format as native frontend add-to-cart
+     *
      * @param CartItemInterface $cartItem
      *
      * @return \Magento\Framework\DataObject|null
@@ -59,6 +68,8 @@ public function convertToBuyRequest(CartItemInterface $cartItem)
     }
 
     /**
+     * Option processor
+     *
      * @param CartItemInterface $cartItem
      *
      * @return CartItemInterface

app/code/Magento/GroupedProduct/Model/Quote/Item/GroupedItemQty.php

@@ -1,17 +1,28 @@
 <?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
 
 namespace Magento\GroupedProduct\Model\Quote\Item;
 
 use Magento\Framework\Model\AbstractExtensibleModel;
 use Magento\GroupedProduct\Api\Data\GroupedItemQtyInterface;
+use Magento\GroupedProduct\Api\Data\GroupedItemQtyExtensionInterface;
 
 /**
- * Class GroupedItemQty
+ * Object that contains quantity information for a single associated product of a Grouped Product
+ *
+ * Class \Magento\GroupedProduct\Model\Quote\Item\GroupedItemQty
  */
 class GroupedItemQty extends AbstractExtensibleModel implements GroupedItemQtyInterface
 {
     /**
-     * {@inheritdoc}
+     * Set associated product id
+     *
+     * @param int|string $value
+     *
+     * @return $this
      */
     public function setProductId($value)
     {
@@ -21,15 +32,21 @@ public function setProductId($value)
     }
 
     /**
-     * {@inheritdoc}
+     * Get associated product id
+     *
+     * @return int|string
      */
     public function getProductId()
     {
         return $this->getData(self::PRODUCT_ID);
     }
 
     /**
-     * {@inheritdoc}
+     * Set associated product qty
+     *
+     * @param int|string $qty
+     *
+     * @return $this
      */
     public function setQty($qty)
     {
@@ -39,10 +56,36 @@ public function setQty($qty)
     }
 
     /**
-     * {@inheritdoc}
+     * Get associated product qty
+     *
+     * @return int
      */
     public function getQty()
     {
         return (int)$this->getData(self::QTY);
     }
-}
+
+    /**
+     * Set extension attributes
+     *
+     * @param GroupedItemQtyExtensionInterface $extensionAttributes
+     *
+     * @return $this
+     */
+    public function setExtensionAttributes(GroupedItemQtyExtensionInterface $extensionAttributes)
+    {
+        $this->_setExtensionAttributes($extensionAttributes);
+
+        return $this;
+    }
+
+    /**
+     * Get extension attributes
+     *
+     * @return GroupedItemQtyExtensionInterface|null
+     */
+    public function getExtensionAttributes()
+    {
+        return $this->_getExtensionAttributes();
+    }
+}