Hibernate逍遥游记-第5章映射一对多-01单向<many-to-one>、cascade="save-update"、lazy、TransientObjectException

【Hibernate逍遥游记-第5章映射一对多-01单向<many-to-one>、cascade="save-update"、lazy、TransientObjectException】的更多相关文章

Hibernate逍遥游记-第5章映射一对多-01单向<many-to-one>、cascade="save-update"、lazy、TransientObjectException

1. <?xml version="1.0"?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> <hibernate-mapping > <class name=&quo…

Hibernate逍遥游记-第5章映射一对多-02双向(<set>、<key>、<one-to-many>、inverse、cascade="all-delete-orphan")

1. <?xml version="1.0"?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> <hibernate-mapping > <class name=&quo…

Hibernate逍遥游记-第13章映射实体关联关系-003单向多对多

0. 1. drop database if exists SAMPLEDB; create database SAMPLEDB; use SAMPLEDB; create table MONKEYS( ID bigint not null, NAME varchar(15), primary key (ID) ); create table TEACHERS( ID bigint not null, NAME varchar(15), primary key(ID) ); create tab…

Hibernate逍遥游记-第13章映射实体关联关系-006双向多对多(分解为一对多)

1. 2. <?xml version="1.0"?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> <hibernate-mapping > <class name=&…

Hibernate逍遥游记-第13章映射实体关联关系-005双向多对多(使用组件类集合\<composite-element>\)

1. <?xml version="1.0"?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> <hibernate-mapping > <class name=&quo…

Hibernate逍遥游记-第13章映射实体关联关系-004双向多对多(inverse="true")

1. <?xml version="1.0"?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> <hibernate-mapping > <class name=&quo…

Hibernate逍遥游记-第13章映射实体关联关系-002用主键映射一对一(<one-to-one constrained="true">、<generator class="foreign">)

1. <?xml version="1.0"?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> <hibernate-mapping > <class name=&quo…

Hibernate逍遥游记-第13章映射实体关联关系-001用外键映射一对一(<many-to-one unique="true">、<one-to-one>)

1. <?xml version="1.0"?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> <hibernate-mapping > <class name=&quo…

Hibernate逍遥游记-第12章映射值类型集合-005对集合排序Map(<order-by>\<sort>)

1. <?xml version="1.0"?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> <hibernate-mapping > <class name=&quo…

Hibernate逍遥游记-第12章映射值类型集合-005对集合排序(<order-by>\<sort>)

1. 2. <?xml version="1.0"?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> <hibernate-mapping > <class name=&…

Hibernate逍遥游记-第12章映射值类型集合-004映射Map(<map-key>)

1. 2. <?xml version="1.0"?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> <hibernate-mapping > <class name=&…

Hibernate逍遥游记-第12章映射值类型集合-003映射List(<list-index>)

1. <?xml version="1.0"?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> <hibernate-mapping > <class name=&quo…

Hibernate逍遥游记-第12章映射值类型集合-002映射Bag(<idbag><collection-id>)

1. 2. <?xml version="1.0"?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> <hibernate-mapping > <class name=&…

Hibernate逍遥游记-第12章映射值类型集合-001映射set(<element>)

1. 2. <?xml version="1.0"?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> <hibernate-mapping > <class name=&…

Hibernate逍遥游记-第10章映射继承关系-003继承关系树中的每个类对应一个表(joined-subclass)

1. 2. <?xml version="1.0"?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> <hibernate-mapping > <class name=&…

Hibernate逍遥游记-第10章映射继承关系-002继承关系树中的根类对应一个表(discriminator、subclass)

1. 2. <?xml version="1.0"?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> <hibernate-mapping > <class name=&…

Hibernate逍遥游记-第10章映射继承关系-001继承关系树中的每个具体类对应一个表

1. 2. <?xml version="1.0"?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> <hibernate-mapping > <class name=&…

Hibernate逍遥游记-第8章映射组成关系(<component>、<parent>)

一. 1. <?xml version="1.0"?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> <hibernate-mapping > <class name=&…

Hibernate逍遥游记-第4章映射对象标识符-increment、identity、hilo、native、assigned、sequence、<meta>

1. package mypack; import java.lang.reflect.Constructor; import org.hibernate.*; import org.hibernate.cfg.Configuration; import java.io.*; import java.sql.Time; import java.util.*; public class BusinessService{ public static SessionFactory sessionFac…

Hibernate逍遥游记-第9章 Hibernate的映射类型

1. 2. <?xml version="1.0"?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> <hibernate-mapping > <class name=&…

Hibernate逍遥游记-第3章对象-关系映射基础-access="field"、dynamic-insert、dynamic-update、formula、update=false

1. package mypack; import java.util.*; public class Monkey{ private Long id; private String firstname; private String lastname; private char gender; private int age; private int avgAge; private String description; public Monkey() {} public Monkey(Str…

Hibernate逍遥游记-第2章-使用hibernate.properties

1. package mypack; import org.hibernate.*; import org.hibernate.cfg.Configuration; import java.util.*; public class BusinessService{ public static SessionFactory sessionFactory; /** 初始化Hibernate,创建SessionFactory实例 */ static{ try{ // 根据默认位置的Hibernate配…

Hibernate逍遥游记-第15章处理并发问题-003乐观锁

1. 2. drop database if exists SAMPLEDB; create database SAMPLEDB; use SAMPLEDB; drop table if exists MONKEYS ; create table MONKEYS( ID bigint not null, NAME varchar(15), COUNT int, VERSION integer, primary key (ID) ) type=INNODB; insert into MONKEYS…

Hibernate逍遥游记-第15章处理并发问题-002悲观锁

1. 2. hibernate.dialect=org.hibernate.dialect.MySQLDialect hibernate.connection.driver_class=com.mysql.jdbc.Driver hibernate.connection.url=jdbc:mysql://localhost:3306/sampledb hibernate.connection.username=root hibernate.connection.password=1234 hib…

Hibernate逍遥游记-第7章 Hibernate的检索策略和检索方式(<set lazy="false" fetch="join">、left join fetch、FetchMode.JOIN、)

1. <?xml version="1.0"?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> <hibernate-mapping > <class name=&quo…

Hibernate逍遥游记-第1章-JDBC访问数据库

1. package mypack; import java.awt.*; import java.awt.event.*; import javax.swing.*; import javax.swing.table.*; import java.util.*; public class MonkeyGui implements ActionListener{ private BusinessService businessService=new BusinessService(); //界面…

Hibernate逍遥游记-第15章处理并发问题-001事务并发问题及隔离机制介绍

1. 2.第一类丢失更新 3.脏读 4.虚读.幻读 5.不可重复读 6.第二类丢失更新 7.数据库的锁机制 8.数据库事务的隔离机制…

Hibernate逍遥游记-第6章通过Hibernate操纵对象(select-before-update)

1. 2. 3. 4. 5. 6. 7.…

06章映射一对多双向关联关系、以及cascade、inverse属性

当类与类之间建立了关联,就可以方便的从一个对象导航到另一个对象.或者通过集合导航到一组对象.例如: 对于给定的Emp对象,如果想获得与它关联的Dept对象,只要调用如下方法 Dept dept=emp.getDept(); //从Emp对象导航到关联的Dept对象以Dept(部门)类和Emp(员工)类为例: 一.配置双向一对多关联需在Dept类中增加一个集合类型的emps属性 private Set<Emp> emps=new HashSet<Emp>(); public Se…

：Hibernate逍遥游记-第16管理session和实现对话

1. package mypack; public class Monkey{ private Long id; private String name; private int count; private int version; public Monkey() {} public Long getId() { return this.id; } public void setId(Long id) { this.id = id; } public String getName() { re…