Employee.java

import jakarta.persistence.*;

// maps this Java class directly to the employees table in the database
@Entity
@Table(name = "employees")
public class Employee {

    // auto-incremented primary key, uniquely identifies each employee record
    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private Long employeeId;

    // unique login identifier per contractor, database rejects duplicate values
    @Column(nullable = false, unique = true)
    private String accessCode;

    // BCrypt hash of the access key, original plaintext value is never stored
    // a phished credential exposes only this hash, not the original value
    @Column(nullable = false)
    private String accessKey;

    // authorization level controlling which system endpoints this employee can reach
    @Column(nullable = false)
    private String accessLevel;

    public Long getEmployeeId() { return employeeId; }
    public String getAccessCode() { return accessCode; }
    public void setAccessCode(String accessCode) { this.accessCode = accessCode; }
    public String getAccessKey() { return accessKey; }
    public void setAccessKey(String accessKey) { this.accessKey = accessKey; }
    public String getAccessLevel() { return accessLevel; }
    public void setAccessLevel(String accessLevel) { this.accessLevel = accessLevel; }
}