Context: How does \Magento\Framework\EntityManager\Operation\Read::execute() work?
\Magento\Framework\EntityManager\Operation\Read::execute()
Details: How does \Magento\Framework\ObjectManagerInterface\AttributePool::getActions() work?
\Magento\Framework\ObjectManagerInterface\AttributePool::getActions()
Details:
\Magento\Catalog\Model\Product\Option\ReadHandler::execute()
\Magento\Catalog\Model\Product\Gallery\ReadHandler::execute()
\Magento\ConfigurableProduct\Model\Product\ReadHandler::execute()
See also:
EAV
model-load
product-retrieving
entity-manager