sa1nick / employee_address_management

Employee Address Management

Built With

• Java 17
• Maven 4.0.0
• MySql Ver 8.0.32
• Spring Boot 3.0.5
• IntelliJ IDEA 2023.1 (Community Edition)

Data Flow

1. Model:

• It consists of Employee and Address entity classes along with their data members and member functions
• Used @Table and @Entity annotations inside the entity class.
• Used Lombok to reduce boilerplate code for pojo class.By using Lombok annotations like @Data, @NoArgsConstructor, @AllArgsConstructor getters and setters for those object generate automatically.
• Used @OneToOne annotation to perform one to one mapping between Employee and Address.

2. Controller:

• It consists of EmployeeController and AddressController classes in which used the annotations like @RestController to annotate the class as Controller.
• Used annotation @GetMapping , @PostMapping , @PutMapping , @DeleteMapping to map the HTTP web requests to the specific handler methods.

API Reference:

Employee's API References

• Add Employee:

  http://localhost:8080/employee/

• Get all Employees:

  http://localhost:8080/employee/getAll

• Get Employee By ID:

  http://localhost:8080/employee/{employeeId}

• Update Employee by Employee ID

  http://localhost:8080/employee/{employeeId}/firstName/{firstName}/lastName/{lastName}

• Delete Employee by ID

  http://localhost:8080/employee/{employeeId}

Address's API References:

• Add Address:

  http://localhost:8080/address/

• Get all Addresses:

  http://localhost:8080/address/getAll

• Get Address By ID:

  http://localhost:8080/address/{addressId}

• Update Address's Street by Address ID

  http://localhost:8080/address/{addressId}/{street}

• Delete Address by ID

  http://localhost:8080/address/{addressId}

3. Service:

• It consists of EmployeeService and AddressService classes in which provide some business functionalities of every handler methods.
• Used @Service annotation to indicate that a class belongs to the service layer.
• Used @Transactional annotation to separate transaction management code from the code for business logic on the update and delete methods.

4. Repository:

• It consists of IEmployeeDao and IAddressDao interface classes that extends CrudRepository which is interface for generic inbuilt CRUD operations on a repository for a specific type. Usually represent the database access layer in an application.
• Used Iterable for Employee and Address to manage the data of Employee and Address by performing CRUD operations.
• Used @Repository annotation is used to indicate that the class provides the mechanism for storage, retrieval, search, update and delete operation on objects.
• Used @Modifying annotation wrote named parameters query using @Query annotation to insert, update, or delete an entity.

Data Structure Used

Used Iterable<T> for Employee and Address to store the User type object.

Project Summary

• In this project I performed CRUD operation like add user,get user,delete user and update user.
  
• The aim of this project to perform one to one mapping between Employee and Address.
• Used interface CrudRepository class for generic CRUD inbuilt operations like save,saveAll,updateById, etc.
• Used our own custom finder methods and wrote operations using custom queries.