hibernate基本映射文件

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
        "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">

<hibernate-mapping package="com.fengye.hibernate">

    <!--
    class: 表示 实体类和表的映射  与数据库的相关设置不能出现数据库中的关键字
    dynamic-update:更新的sql语句不包含空值.动态组织sql语句
    dynamic-insert:插入式时不包含空的属性列,用于动态组织sql语句
    select-before-update:在更新时先查询
    -->
    <class name="com.fengye.hibernate.basic.BasicMap" table="BASIC_MAP"
           dynamic-update="true"
           dynamic-insert="true"
           select-before-update="true">

        <id name="id" type="java.lang.Integer">
            <column name="ID"/>
            <!-- 指定主键的生成方式, native: 使用数据库本地方式 -->
            <generator class="native"/>
            <!-- hilo -->
            <!--
            <generator class="hilo">
                <param name="table">HI_TABLE</param>
                <param name="column">NEXT_VAL</param>
                <param name="max_lo">10</param>
            </generator>
            -->
        </id>

        <!-- 普通属性 - property -->
        <property name="title"
                  type="java.lang.String" column="TITLE">
        </property>

        <property name="author" type="java.lang.String"
                  index="news_index">
            <column name="AUTHOR"/>
        </property>

        <!-- 时间(年/月/日,具体时间)-->
        <property name="date" type="date"/>
        <property name="time" type="time"/>
        <property name="timestamp" type="timestamp"/>

        <!-- boolean -->
        <property name="isUsed" type="yes_no">
            <column name="isUsed" sql-type="varchar(1)"></column>
        </property>

        <!-- enum -->
        <property name="gender">
            <column name="gender">
            </column>
            <type name="org.hibernate.type.EnumType">
                <param name="enumClass">com.fengye.hibernate.basic.Gender</param>
                <param name="type">12</param>
            </type>
        </property>

        <property name="desc" formula="(SELECT concat(author, ‘: ‘, title) FROM BASIC_MAP n WHERE n.id = id)"/>

        <!-- 大文本-->
        <property name="content">
            <column name="content" sql-type="mediumtext"/>
        </property>
        <property name="image">
            <column name="IMAGE" sql-type="mediumblob"></column>
        </property>

        <!-- component-->
        <component name="component" class="com.fengye.hibernate.basic.Component">
            <parent name="map"/>
            <property name="component1" column="component1"/>
            <property name="component2" column="component2"/>
        </component>
    </class>

</hibernate-mapping>