src/java/Department.java

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package myapp;


import javax.persistence.*;
import java.util.*;


@Entity
@Table(name="DEPARTMENT")
public class Department implements java.io.Serializable {

    // Instance variables
    private int  id;
    private String  name;
    private Set<Employee> employees;

    public Department() {
    }

    public Department(int id, String name) {
        this.id = id;
        this.name = name;
    }

    // ===========================================================
    // getters and setters for the state fields

    @Id
    @Column(name="ID")
    public int getId() {
        return id;
    }
    public void setId(int id) {
        this.id = id;
    }

    @Column(name="NAME")
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }

    // ===========================================================
    // getters and setters for the association fields
    @OneToMany(cascade=CascadeType.ALL, mappedBy="department")
    public Set<Employee> getEmployees() {
        return employees;
    }
    public void setEmployees(Set<Employee> employees) {
        this.employees = employees;
    }

    public String toString() {
        return "Department id=" + getId() + ", Department Name=" + getName();
    }

}