hibernate注解配置集合映射list,该如何处理

package gpf;import java.util.ArrayList;import java.util.List;import javax.persistence.CascadeType;import javax.persistence.Entity;import javax.persistence.GeneratedValue;import javax.persistence.Id;import javax.persistence.OneToMany;import javax.persistence.OrderBy;@Entitypublic class Husband {    private int id;    private String name;    private List<Wifes> wifes=new ArrayList<Wifes>();        @Id    @GeneratedValue    public int getId() {        return id;    }    public String getName() {        return name;    }    public void setId(int id) {        this.id = id;    }    public void setName(String name) {        this.name = name;    }        @OneToMany(mappedBy="husband",cascade=CascadeType.ALL)    @OrderBy("number desc")    public List<Wifes> getWifes() {        return wifes;    }    public void setWifes(List<Wifes> wifes) {        this.wifes = wifes;    }}

package gpf;import javax.persistence.CascadeType;import javax.persistence.Entity;import javax.persistence.GeneratedValue;import javax.persistence.Id;import javax.persistence.JoinColumn;import javax.persistence.ManyToOne;@Entitypublic class Wifes {    private int id;    private String name;    private int number;    private Husband husband;        @ManyToOne(cascade=CascadeType.ALL)    @JoinColumn(name="husb_id")    public Husband getHusband() {        return husband;    }    public void setHusband(Husband husband) {        this.husband = husband;    }        @Id    @GeneratedValue    public int getId() {        return id;    }    public String getName() {        return name;    }    public void setId(int id) {        this.id = id;    }    public void setName(String name) {        this.name = name;    }    public int getNumber() {        return number;    }    public void setNumber(int number) {        this.number = number;    }}

<?xml version='1.0' encoding='utf-8'?><!DOCTYPE hibernate-configuration PUBLIC        "-//Hibernate/Hibernate Configuration DTD 3.0//EN"        "http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd"><hibernate-configuration>    <session-factory>            <!--<property name="connection.driver_class">oracle.jdbc.driver.OracleDriver</property>        <property name="connection.url">jdbc:oracle:thin:@localhost:1521:example</property>        <property name="connection.username">scott</property>        <property name="connection.password">tiger</property>        <property name="dialect">org.hibernate.dialect.Oracle10gDialect</property>            -->        <property name="connection.driver_class">com.mysql.jdbc.Driver</property>        <property name="connection.url">jdbc:mysql://localhost/hibernate</property>        <property name="connection.username">root</property>        <property name="connection.password">123</property>        <property name="dialect">org.hibernate.dialect.MySQLDialect</property>                <property name="connection.pool_size">1</property>                <property name="current_session_context_class">thread</property>        <property name="format_sql">true</property>        <property name="show_sql">true</property>        <mapping class="gpf.Husband"/>        <mapping class="gpf.Wifes"/>    </session-factory></hibernate-configuration>