Knowledge quiz

It's time to put what you've learned to the test, get 4 right to pass this unit.

Choose the correct answer.

Extend or merge existing services

Replace existing services

Modify the original implementation of existing services

Implement a new service

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Load models with modelService.get()

Update models with modelService.update()

Delete models with modelService.remove()

Create models with modelService.create()

There are two correct answers.

You can use the tx XML schema

You can use the SAP Commerce Transaction API

You can change the isolation level of a transaction when using the @Transactional annotation

JTA user transaction interface is provided

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It is the layer where data is persisted into the database

It is the layer where data is rendered as RESTful web services response

It is the layer where data is prepared to be displayed on the frontend

It is the layer where data is processed according to business logic

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Model classes only have getters and setters, for instance, they don’t implement any business logic

Model classes are all generated in a predefined folder in the platform when ant is executed

A class implementing business logic can extend a Model class

Model classes are generated based on the "generate=true" statement of item types in items.xml