hibernate annotation one-to-many

CREATE TABLE `person` (
`id` bigint(20) NOT NULL AUTO_INCREMENT,
`personName` varchar(45) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8;

CREATE TABLE `house` (
`id` bigint(20) NOT NULL AUTO_INCREMENT,
`houseNo` varchar(45) NOT NULL,
`person_id` bigint(20) DEFAULT NULL,
PRIMARY KEY (`id`),
KEY `FK42AD7008BA56E9D` (`person_id`),
CONSTRAINT `FK42AD7008BA56E9D` FOREIGN KEY (`person_id`) REFERENCES `person` (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=utf8;

import java.io.Serializable;
import java.util.Set;

import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.OneToMany;
import javax.persistence.Table;

@Entity
@Table
public class Person implements Serializable{

/**
*
*/
private static final long serialVersionUID = -6396702070077903027L;

@Id
@GeneratedValue(strategy=GenerationType.IDENTITY)
public Long getId() {return id;}
public void setId(Long id) {this.id = id;}
private Long id;

@Column(length=45,nullable=false)
public String getPersonName() {return personName;}
public void setPersonName(String personName) {this.personName = personName;}
private String personName;

@OneToMany(mappedBy="person",cascade=CascadeType.ALL)
public Set<House> getHouseSet() {return houseSet;}
public void setHouseSet(Set<House> houseSet) {this.houseSet = houseSet;}
private Set<House> houseSet;

}

import java.io.Serializable;

import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.Table;

@Entity
@Table
public class House implements Serializable{

/**
*
*/
private static final long serialVersionUID = -2630598805462422037L;

@Id
@GeneratedValue(strategy=GenerationType.IDENTITY)
public Long getId() {return id;}
public void setId(Long id) {this.id = id;}
private Long id;

@Column(length=45,nullable=false)
public String getHouseNo() {return houseNo;}
public void setHouseNo(String houseNo) {this.houseNo = houseNo;}
private String houseNo;

@ManyToOne(cascade=CascadeType.ALL)
@JoinColumn
public Person getPerson() {return person;}
public void setPerson(Person person) {this.person = person;}
private Person person;

}