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    ant hbm 使用

    Posted on 2008-04-25 11:31 G_G 閱讀(1729) 評論(0)  編輯  收藏 所屬分類: ant
    你可以參考:快速修改 xdoclet samples ant -build.xml 適應實際開發
    此文檔為上面的改進版。

    1.在 你電腦上建一個 ant第三方擴展文件夾,我這為:D:\ant\lib
    2.當使用 eclipse->window->proferences..->ant->Runtime->Global Entries->Add External JARs->選擇你建的 ant_lib 下的全部jar;
    3.并在Global Entries下加入你的 classpath

    使用現成的 xdoclet ant -> 加入自己的 ->
    ????<target?name="hbm2ddl"?depends="prepare">
    ??????????
    <mkdir?dir="${hbm2ddl.sql.dir}"?/>
    ??????????
    <taskdef?
    ??????????????
    name="hbm2ddl"
    ?????????????classname
    ="org.hibernate.tool.ant.HibernateToolTask"?>
    ??????????
    </taskdef>
    ??????????
    <hbm2ddl?destdir="${hbm2ddl.sql.dir}"?>
    ???????????????????
    <configuration?configurationfile="../src/hibernate.cfg.xml"?/>
    ???????????????????
    <hbm2ddl?export="true"?console="false"?create="false"?update="false"?drop="false"?outputfilename="bestunix.sql"/>
    ??????????
    </hbm2ddl>?
    ??? ?? ??? <!-- 支持 1.5 泛型請
    搜索到xjavadoc最新1.5版本,下載,替換原來的xjavadoc-1.1.x,再次運行xdoclet任務,執行成功! -->
    ????
    </target>

    ????
    <target?name="sql"?depends="hbm2ddl">
    ????????
    ?????????
    <sql?driver="org.gjt.mm.mysql.Driver"?password=""??userid="root"?autocommit="true"??
    ???????????????????????url
    ="jdbc:mysql://localhost:3306/zhongqi?characterEncoding=gbk"?
    ????????????????????????src
    ="../sql/data.sql"?print="yes"?output="sql_out.txt">??
    ??????????????
    </sql>??
    ????
    </target>????

    成功后就可以:
    ??? 使用 xdoclet 面向對象建表 ;
    ??? 通過 ant -> java2hbn, hbn2ddl,insertSql

    在開發過程中當要加 jar 方法為:
    ??? 1.在 ant_lib 中加入 jar
    ??? 2.eclipse ->> Global Entries->Add External JARs->
    工程轉換修改 Global Entries中的classpath

    例:
    java
    package?hbm;

    import?java.util.Set;

    /**
    ?*?@hibernate.class?table?=?"level"
    ?*?where?=?"?visible?=?0??"
    ?*?
    @author?Administrator
    ?*
    ?
    */
    public?class?Level?{
    ????
    private?long?id?;
    ????
    private?String?name?;
    ????
    private?Level?father?;
    ????
    private?Set<Level>?childSet?;
    ????
    private?int?visible??;

    ????
    public?Level(){}
    ????
    public?Level(String?name){??this.name?=?name?;?}
    ????
    ????
    public?Level(String?name,int?visible){this.visible?=?visible;??this.name?=?name?;?}
    ????
    /**
    ?????*?@hibernate.id?generator-class?=?"identity"
    ?????*?
    @return
    ?????
    */
    ????
    public?long?getId()?{
    ????????
    return?id;
    ????}
    ????
    public?void?setId(long?id)?{
    ????????
    this.id?=?id;
    ????}
    ????
    /**
    ?????*?@hibernate.property?
    ?????*?length?=?"20"
    ?????*?
    @return
    ?????
    */
    ????
    public?String?getName()?{
    ????????
    return?name;
    ????}
    ????
    public?void?setName(String?name)?{
    ????????
    this.name?=?name;
    ????}
    ????
    ????
    /**
    ?????*?@hibernate.many-to-one?
    ?????*?cascade?=?"save-update"
    ?????*?inverse?=?"false"
    ?????*?column?=?"fid"
    ?????*?
    @return
    ?????
    */
    ????
    public?Level?getFather()?{
    ????????
    return?father;
    ????}
    ????
    public?void?setFather(Level?father)?{
    ????????
    this.father?=?father;
    ????}
    ????
    ????
    /**
    ?????*?@hibernate.set?
    ?????*?lazy?=?"true"
    ?????*?table?=?"Level"
    ?????*?cascade?=?"save-update"
    ?????*?where?=?"?visible?=?0?"
    ?????*?@hibernate.collection-key?column?=?"fid"
    ?????*?@hibernate.collection-one-to-many?class?=?"hbm.Level"
    ?????*?
    @return
    ?????
    */
    ????
    public?Set<Level>?getChildSet()?{
    ????????
    return?childSet;
    ????}
    ????
    public?void?setChildSet(Set<Level>?childSet)?{
    ????????
    this.childSet?=?childSet;
    ????}
    ????
    ????
    /**
    ?????*?@hibernate.property?
    ?????*?
    @return
    ?????
    */
    ????
    public?int?getVisible()?{
    ????????
    return?visible;
    ????}
    ????
    public?void?setVisible(int?visible)?{
    ????????
    this.visible?=?visible;
    ????}
    }


    unit
    package?test;

    import?java.util.HashSet;
    import?java.util.List;
    import?java.util.Set;

    import?hbm.Level;

    import?org.hibernate.Hibernate;
    import?org.hibernate.Session;
    import?org.hibernate.Transaction;
    import?org.junit.Test;

    import?unit.HibernateUtil;

    public?class?HbnUnit?{
    ????@Test
    ????
    public?void?level()?throws?Exception?{
    ????????Session?session?
    =?HibernateUtil.currentSession();
    ????????Transaction?tr?
    =??session.beginTransaction();
    ????????
    ????????Level?level?
    =?new?Level();
    ????????level.setName(
    "f1");
    ????????
    ????????Set
    <Level>?set?=?new?HashSet<Level>();
    ????????????set.add(
    new?Level("c1"));
    ????????????set.add(
    new?Level("c2",1));
    ????????????set.add(
    new?Level("c3"));
    ????????????set.add(
    new?Level("c4",1?));
    ????????????set.add(
    new?Level("c5"?));
    ????????????set.add(
    new?Level("c6",1?));
    ????????
    ????????level.setChildSet(set);
    ????????session.save(level);
    ????????session.flush()?;
    ????????session.clear();
    ????????tr.commit();

    ????????
    ????}
    ????
    ????@Test
    ????
    public?void?sAll()?throws?Exception?{
    ????????Session?session?
    =?HibernateUtil.currentSession();
    ????????
    ????????System.out.println(
    "---------------------------------------------");
    ????????List
    <Level>?list?=??session.createQuery("?from?Level?tl?where?tl.father?is?null?").list();
    ????????
    for(?Level?tmp?:?list?){
    ????????????System.out.println(
    "---->"?+?tmp.getName()+"?visible="+tmp.getVisible()??);
    ????????????
    ????????????
    for(??Level?tt?:?tmp.getChildSet()?){
    ????????????????System.out.println(?tt.getName()
    +"?visible="+tt.getVisible()??);
    ????????????}
    ????????????
    ????????}
    ????????System.out.println(?list.get(
    0).getVisible()+":"+?list.size()?);
    ????}
    ????
    }

    結果:
    Hibernate:?insert?into?level?(name,?fid,?visible)?values?(?,??,??)
    Hibernate:?
    insert?into?level?(name,?fid,?visible)?values?(?,??,??)
    Hibernate:?
    insert?into?level?(name,?fid,?visible)?values?(?,??,??)
    Hibernate:?
    insert?into?level?(name,?fid,?visible)?values?(?,??,??)
    Hibernate:?
    insert?into?level?(name,?fid,?visible)?values?(?,??,??)
    Hibernate:?
    insert?into?level?(name,?fid,?visible)?values?(?,??,??)
    Hibernate:?
    insert?into?level?(name,?fid,?visible)?values?(?,??,??)
    Hibernate:?
    update?level?set?fid=??where?id=?
    Hibernate:?
    update?level?set?fid=??where?id=?
    Hibernate:?
    update?level?set?fid=??where?id=?
    Hibernate:?
    update?level?set?fid=??where?id=?
    Hibernate:?
    update?level?set?fid=??where?id=?
    Hibernate:?
    update?level?set?fid=??where?id=?
    ---------------------------------------------
    Hibernate:?select?level0_.id?as?id0_,?level0_.name?as?name0_,?level0_.fid?as?fid0_,?level0_.visible?as?visible0_?from?level?level0_?where?(??level0_.visible?=?0?)?and?(level0_.fid?is?null)
    ---->f1?visible=0
    Hibernate:?select?childset0_.fid?as?fid1_,?childset0_.id?as?id1_,?childset0_.id?as?id0_0_,?childset0_.name?as?name0_0_,?childset0_.fid?as?fid0_0_,?childset0_.visible?as?visible0_0_?from?level?childset0_?where??(??childset0_.visible?=?0?)??and?childset0_.fid=?
    c1?visible
    =0
    c5?visible
    =0
    c3?visible
    =0
    0:1



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