Hibernate笔记(二)

package domain;

import java.util.HashSet;
import java.util.Set;

public class Customer {
    private int cid;
    private String name;
    //表示多个联系人
    private Set<Person> people=new HashSet<>();

    public Set<Person> getPeople() {
        return people;
    }

    public void setPeople(Set<Person> people) {
        this.people = people;
    }

    public int getCid() {
        return cid;
    }

    public void setCid(int cid) {
        this.cid = cid;
    }

    public String getName() {
        return name;
    }

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

package domain;

public class Person {
    private int uid;
    private String name;
    //表示客户
    private Customer customer;

    public Customer getCustomer() {
        return customer;
    }

    public void setCustomer(Customer customer) {
        this.customer = customer;
    }

    public String getName() {
        return name;
    }

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

    public int getUid() {
        return uid;
    }

    public void setUid(int uid) {
        this.uid = uid;
    }
}

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-mapping PUBLIC
        "-//Hibernate/Hibernate Mapping DTD//EN"
        "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
    <class name="domain.Customer" table="customer">
        <id name="cid" column="id">
            <generator class="native"/>
        </id>
        <property name="name" column="name"/>

          <!-- 单方面的维护关系 -->
        <set name="people" inverse="true">
            <key column="cpid"/>
            <one-to-many class="domain.Person"/>
        </set>
    </class>
</hibernate-mapping>

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-mapping PUBLIC
        "-//Hibernate/Hibernate Mapping DTD//EN"
        "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
    <class name="domain.Person" table="people">
        <id name="uid" column="id">
            <generator class="native"/>
        </id>
        <property name="name" column="name"/>
        <many-to-one name="customer" class="domain.Customer" column="clid"/>
    </class>
</hibernate-mapping>

package domain1;

import java.util.HashSet;
import java.util.Set;

public class User {
    private int cid;
    private String name;
    //表示多个联系人
    private Set<Role> roles=new HashSet<>();

    public Set<Role> getRoles() {
        return roles;
    }

    public void setRoles(Set<Role> roles) {
        this.roles = roles;
    }

    public int getCid() {
        return cid;
    }

    public void setCid(int cid) {
        this.cid = cid;
    }

    public String getName() {
        return name;
    }

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

package domain1;

import java.util.HashSet;
import java.util.Set;

public class Role {
    private int cid;
    private String name;
    //表示多个联系人
    private Set<User> users=new HashSet<>();


    public Set<User> getUsers() {
        return users;
    }

    public void setUsers(Set<User> users) {
        this.users = users;
    }

    public int getCid() {
        return cid;
    }

    public void setCid(int cid) {
        this.cid = cid;
    }

    public String getName() {
        return name;
    }

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

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-mapping PUBLIC
        "-//Hibernate/Hibernate Mapping DTD//EN"
        "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
    <class name="domain1.Role" table="role">
        <id name="uid" column="id">
            <generator class="native"/>
        </id>
        <property name="name" column="name"/>


        <set name="users" table="user_role" cascade="save-update,delete">
            <key column="rid"/>
            <many-to-many class="domain1.User" column="uid"/>
        </set>
    </class>
</hibernate-mapping>

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-mapping PUBLIC
        "-//Hibernate/Hibernate Mapping DTD//EN"
        "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
    <class name="domain1.User" table="user">
        <id name="cid" column="id">
            <generator class="native"/>
        </id>
        <property name="name" column="name"/>

        <set name="roles" table="user_role">
            <key column="uid"/>
            <many-to-many class="domain1.Role" column="rid"/>
        </set>
    </class>
</hibernate-mapping>