BlogJava-BlueSpace-文章分类-hibernate

文章系统.Hibernate的一对多,多对一映射

crazy — Fri, 07 Sep 2007 02:09:00 GMT

包含4个表,文章分类,文章,文章评论,文章评论回复
文章分为三级目录,bigSortID,secondSordID,smallSortID

  1xml version="1.0"?>
  2DOCTYPE hibernate-mapping
  3PUBLIC "-//Hibernate/Hibernate Mapping DTD//EN"
  4"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
  5<hibernate-mapping>
  6 <class name="news.entity.ArticleSort" dynamic-insert="true" dynamic-update="true"  table="art_sort">
  7    <id name="id" type="java.lang.Integer" unsaved-value="null" >
  8        <column name="id" not-null="true"/>
  9        <generator class="native"/>
10    id>
11    <property name="sortName" />
12    <property name="parentID" />
13    <property name="createDate" />
14    <property name="editDate" />
15    <property name="orderBy" />
16    <property name="descript" />
17    <property name="editUser" />
18    <property name="sortType" />
19    <property name="isOpen" />
20
21
22    <set name="article" inverse="false" lazy ="true" order-by=" id " cascade="none">
23       <key column="smallSortID"/>
24       <one-to-many class="news.entity.Article"  />
25    set>
26
27
28    <many-to-one  insert="false" update="false" name="parentBigSort"
29            class = "news.entity.ArticleSort"
30            column = "parentID" />
31
32
33     <set name="smallSortSet" inverse="false" lazy ="true" order-by=" id " cascade="none">
34       <key column="parentID"/>
35       <one-to-many class="news.entity.ArticleSort"  />
36    set>
37class>
38hibernate-mapping>
39
40
41xml version="1.0"?>
42DOCTYPE hibernate-mapping
43PUBLIC "-//Hibernate/Hibernate Mapping DTD//EN"
44"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
45<hibernate-mapping>
46 <class name="news.entity.Article" dynamic-insert="true" dynamic-update="true" lazy="false" table="art_news">
47    <id name="id" type="java.lang.Integer" unsaved-value="null" >
48        <column name="id" not-null="true"/>
49        <generator class="native"/>
50    id>
51    <property name="title" />
52    <property name="subTitle" />
53    <property name="author" />
54    <property name="source" />
55    <property name="url" />
56    <property name="picUrl" />
57    <property name="bigSortID" />
58    <property name="secondSortID" />
59    <property name="smallSortID" />
60    <property name="content" />
61    <property name="hitCount" />
62    <property name="isPublish" />
63    <property name="isTop" />
64    <property name="createDate" />
65    <property name="publishDate" />
66    <property name="editDate" />
67    <property name="editUser" />
68    <property name="addUser"/>
69
70    <many-to-one name="articleSort" insert="false" update="false"
71        class = "news.entity.ArticleSort"  column = "secondSortID" />
72class>
73hibernate-mapping>
74
75
76xml version="1.0"?>
77DOCTYPE hibernate-mapping
78PUBLIC "-//Hibernate/Hibernate Mapping DTD//EN"
79"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
80<hibernate-mapping>
81 <class name="news.entity.ArticleRemark" dynamic-insert="true" dynamic-update="true" lazy="false" table="art_remark">
82    <id name="id" type="java.lang.Integer" unsaved-value="null" >
83        <column name="id" not-null="true"/>
84        <generator class="native"/>
85    id>
86    <property name="newsId" />
87    <property name="userName" />
88    <property name="title" />
89    <property name="contact" />
90    <property name="checkFlag" />
91    <property name="replyFlag" />
92    <property name="creDate" />
93    <property name="checkDate" />
94    <property name="userIp" />
95    <property name="checkUserId" />
96    <many-to-one name="article"  insert="false" update="false" outer-join="false"
97            class = "news.entity.Article"
98            column = "newsId" />
99
100    <set name="remarkReply" inverse="true" lazy ="true" order-by="replyTime desc" where=" flag=0 " table="art_remark_reply"  cascade="all">
101       <key column="remarkId"/>
102       <one-to-many class="news.entity.ArticleRemarkReply"  />
103    set>
104
105class>
106hibernate-mapping>
107
108
109xml version="1.0"?>
110DOCTYPE hibernate-mapping
111PUBLIC "-//Hibernate/Hibernate Mapping DTD//EN"
112"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
113<hibernate-mapping>
114 <class name="news.entity.ArticleRemarkReply" dynamic-insert="true" dynamic-update="true" lazy="false" table="art_remark_reply">
115    <id name="id" type="java.lang.Integer" unsaved-value="null" >
116        <column name="id" not-null="true"/>
117        <generator class="native"/>
118    id>
119    <property name="remarkId" />
120    <property name="content" />
121    <property name="flag" />
122    <property name="replyDate" />
123    <property name="userName" />
124    <property name="userID" />
125class>
126hibernate-mapping>

crazy 2007-09-07 10:09 发表评论

tomcat数据源的配置

crazy — Mon, 03 Sep 2007 02:40:00 GMT

1 < Resource
2          name ="jdbc/test"
3         type ="javax.sql.DataSource"
4         password ="123"
5         driverClassName ="com.mysql.jdbc.Driver"
6         maxIdle ="200"
7         maxWait ="5000"
8         username ="root"
9         url ="jdbc:mysql://192.168.1.11/test?zeroDateTimeBehavior=convertToNull"
10         maxActive ="400" />
11
12 < Context path ="/spring" docBase ="E:\eclipse\readme\springtest\web"
13                        debug ="5" reloadable ="false" crossContext ="true" >
14              < ResourceLink global ="jdbc/test" name ="jdbc/test" type ="javax.sql.DataSource" />
15              Context >

crazy 2007-09-03 10:40 发表评论

hibernate.cfg.xml的配置

crazy — Mon, 03 Sep 2007 02:34:00 GMT

1 xml version='1.0' encoding='utf-8' ?>
2 DOCTYPE hibernate-configuration PUBLIC
3      "-//Hibernate/Hibernate Configuration DTD//EN"
4        "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd" >
5
6
7 < hibernate-configuration >
8
9 < session-factory >
10
11      < property name ="connection.datasource" > java:comp/env/jdbc/test property >
12      < property name ="show_sql" > true property >
13      < property name ="dialect" > org.hibernate.dialect.SQLServerDialect property >
14      < property name ="dialect" > org.hibernate.dialect.MySQLDialect property >
15
16      < mapping resource ="test/entity/AuthCode.hbm.xml" />
17
18 session-factory >
19
20 hibernate-configuration >

crazy 2007-09-03 10:34 发表评论

hibernate的SessionManager

crazy — Mon, 03 Sep 2007 01:23:00 GMT

1 import org.apache.commons.logging.Log;
2 import org.apache.commons.logging.LogFactory;
3 import org.hibernate.FlushMode;
4 import org.hibernate.HibernateException;
5 import org.hibernate.Session;
6 import org.hibernate.SessionFactory;
7 import org.hibernate.Transaction;
8 import org.hibernate.cfg.Configuration;
9
10
11
12 public class SessionManager {
13      private static Log log = LogFactory.getLog(SessionManager. class );
14      private static final SessionFactory sessionFactory;
15      /** 静态块：创建session factory */
16      static {
17          try {
18             System.out.println( " 数据映射初始化begin " );
19             Configuration configure = new Configuration().configure();
20             sessionFactory = configure.buildSessionFactory();
21              /* URL configFileURL =
22                     SessionManager.class.getResource("/hibernate.cfg.xml");
23             Configuration configure = (new Configuration()).configure(configFileURL); */
24             System.out.println( " 数据映射初始化end " );
25         } catch (Throwable ex) {
26             log.error( " Initial SessionFactory creation failed. " , ex);
27              throw new ExceptionInInitializerError(ex);
28         }
29     }
30      /** 获取当前线程的session对象 */
31      public static Session currentSession() throws HibernateException {
32         Session s = sessionFactory.openSession();
33         s.setFlushMode(FlushMode.NEVER);
34          return s;
35     }
36      public static Session currentSessionFlush() throws HibernateException {
37         Session s = sessionFactory.openSession();
38         s.setFlushMode(FlushMode.AUTO);
39          return s;
40     }
41      /** 关闭当前线程所在的session对象 */
42      public static void closeSession(Session s) throws HibernateException {
43          if (s != null ) {
44             s.close();
45         }
46     }
47      public static SessionFactory getSessionFactory() {
48          if (sessionFactory != null ) {
49              return sessionFactory;
50         }
51          else {
52             System.out.println( " 无效的factiory " );
53              return null ;
54         }
55     }
56 }
57

crazy 2007-09-03 09:23 发表评论