What is Repository class in Magento 2?
Repository Pattern separates the database logic and maps it to the objects in the business logic. It works with the domain entities and performs database logic. In the Repository pattern, the data objects, the database logic, and the business logic connect to each other using interfaces.
What are interfaces in Magento 2?
A public interface is a set of code that third-party developers can call, implement, or build as a plug-in. Magento guarantees that this code will not change in subsequent releases without a major version change. Public interfaces for a module are marked with @api annotation.
When to use a factory in Magento 2?
Use Factories to create new entities Repositories do not come with methods to create a new entity, so in that case you will need a factory. But use the factory for the interface, such as Magento\\Catalog\\Api\\Data\\ProductInterfaceFactory – it will create the right implementation based on DI configuration.
Who is responsible for instantiating objects in Magento?
They create a layer of abstraction between the ObjectManager and business code. The Magento\\Framework\\ObjectManager is the class responsible for instantiating objects in the Magento application. Magento prohibits depending on and directly using the ObjectManager in your code.
When do we use entity manager in Magento?
Magento now using entity manager concept for save,delete,load operations. Resource models have entity manager object to fulfil those operations. Using solely collections seems like the lazy way out.
What is the objectmanager class in Magento framework?
The Magento\\Framework\\ObjectManager is the class responsible for instantiating objects in the Magento application. Magento prohibits depending on and directly using the ObjectManager in your code. Factories are an exception to this rule because they require the ObjectManager to instantiate specific models.