Software Architecture in Java: Design & Development/

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Develop the Mock Service

Develop the Mock Service

Develop a mock service for saving data in-memory.

We'll cover the following...

add function

Let’s begin with a simple add method to the in-memory database. This is based on the Singleton pattern implemented as an enum.

Java
public enum EmployeeInMemoryDB {



	INSTANCE;

	

	private static List<EmployeeDto> list = new ArrayList<EmployeeDto>();

	private static Integer lastId = 0;

	

	public Integer getId() {

		return ++lastId;

	}

	

	public void add(EmployeeDto employeeDto) {

		employeeDto.setId(getId());

		list.add(employeeDto);

	}

}

Create operation

We will look at the mock service for the create ...