Product.java

package com.test.jpa;

import java.util.List;

import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToMany;
import javax.persistence.ManyToOne;
import javax.persistence.OneToOne;
import javax.persistence.Table;

@Entity
@Table(name="product")
public class Product {

	@Id
	@GeneratedValue(strategy=GenerationType.AUTO)
	private int id;
	
	private String name;
	
	@OneToOne
	@JoinColumn(name="details_id")
	private ProductDetails details;
	
	@ManyToOne
	@JoinColumn(name="sector_id", referencedColumnName = "id")
	private Sector sector;
	
	@ManyToMany(mappedBy="products", fetch=FetchType.LAZY)
	private List<Group> groups;

	public int getId() {
		return id;
	}

	public void setId(int id) {
		this.id = id;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public ProductDetails getDetails() {
		return details;
	}

	public void setDetails(ProductDetails details) {
		this.details = details;
	}

	public Sector getSector() {
		return sector;
	}

	public void setSector(Sector sector) {
		this.sector = sector;
	}

	public List<Group> getGroups() {
		return groups;
	}

	public void setGroups(List<Group> groups) {
		this.groups = groups;
	}
	
}