public function read( &$product ) {
		$product->set_defaults();

		if ( ! $product->get_id() ) {
			return;
		}

		$post_object = get_post( $product->get_id() );

		if ( ! $post_object ) {
			return;
		}

		if ( 'product_variation' !== $post_object->post_type ) {
			throw new WC_Data_Exception( 'variation_invalid_id', __( 'Invalid product type: passed ID does not correspond to a product variation.', 'woocommerce' ) );
		}

		$product->set_props(
			array(
				'name'              => $post_object->post_title,
				'slug'              => $post_object->post_name,
				'date_created'      => 0 < $post_object->post_date_gmt ? wc_string_to_timestamp( $post_object->post_date_gmt ) : null,
				'date_modified'     => 0 < $post_object->post_modified_gmt ? wc_string_to_timestamp( $post_object->post_modified_gmt ) : null,
				'status'            => $post_object->post_status,
				'menu_order'        => $post_object->menu_order,
				'reviews_allowed'   => 'open' === $post_object->comment_status,
				'parent_id'         => $post_object->post_parent,
				'attribute_summary' => $post_object->post_excerpt,
			)
		);

		// The post parent is not a valid variable product so we should prevent this.
		if ( $product->get_parent_id( 'edit' ) && 'product' !== get_post_type( $product->get_parent_id( 'edit' ) ) ) {
			$product->set_parent_id( 0 );
		}

		$this->read_downloads( $product );
		$this->read_product_data( $product );
		$this->read_extra_data( $product );
		$product->set_attributes( wc_get_product_variation_attributes( $product->get_id() ) );

		$updates = array();
		/**
		 * If a variation title is not in sync with the parent e.g. saved prior to 3.0, or if the parent title has changed, detect here and update.
		 */
		$new_title = $this->generate_product_title( $product );

		if ( $post_object->post_title !== $new_title ) {
			$product->set_name( $new_title );
			$updates = array_merge( $updates, array( 'post_title' => $new_title ) );
		}

		/**
		 * If the attribute summary is not in sync, update here. Used when searching for variations by attribute values.
		 * This is meant to also cover the case when global attribute name or value is updated, then the attribute summary is updated
		 * for respective products when they're read.
		 */
		$new_attribute_summary = $this->generate_attribute_summary( $product );

		if ( $new_attribute_summary !== $post_object->post_excerpt ) {
			$product->set_attribute_summary( $new_attribute_summary );
			$updates = array_merge( $updates, array( 'post_excerpt' => $new_attribute_summary ) );
		}

		if ( ! empty( $updates ) ) {
			$GLOBALS['wpdb']->update( $GLOBALS['wpdb']->posts, $updates, array( 'ID' => $product->get_id() ) );
			clean_post_cache( $product->get_id() );
		}

		// Set object_read true once all data is read.
		$product->set_object_read( true );
	}