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Create a primary key column with sequence generated value in hibernate

For example you have a class User:

package org.kalidad.seamexercises.model;



import java.io.Serializable;



import javax.persistence.Column;

import javax.persistence.Entity;

import javax.persistence.GeneratedValue;

import javax.persistence.SequenceGenerator;

import javax.persistence.Table;



@Entity

@Table(name = "USER")

@SequenceGenerator(sequenceName = "USER_SEQ_ID_GENERATOR", name = "USER_SEQ_ID_GENERATOR")

public class User implements Serializable {

	private static final long serialVersionUID = 4707868996148508582L;

	private long id;

	private String name;

	private String username;

	private String password;



	public User() {



	}



	@Column(name = "ID")

	@javax.persistence.Id

	@GeneratedValue(generator = "USER_SEQ_ID_GENERATOR")

	public long getId() {

		return id;

	}



	public void setId(long id) {

		this.id = id;

	}



	@Column(name = "NAME")

	public String getName() {

		return name;

	}



	public void setName(String name) {

		this.name = name;

	}



	@Column(name = "USERNAME")

	public String getUsername() {

		return username;

	}



	public void setUsername(String username) {

		this.username = username;

	}



	@Column(name = "PASSWORD")

	public String getPassword() {

		return password;

	}



	public void setPassword(String password) {

		this.password = password;

	}



}

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