package ?abstracttest;

public ? abstract ? class ?Container? ... {
?? private ?String?containerId;
?? private ? double ?size;
?? private ?String?name;
?? private ?String?description;
public ?String?getContainerId()? ... {
???? return ?containerId;
}
public ? void ?setContainerId(String?containerId)? ... {
???? this .containerId? = ?containerId;
}
public ?String?getDescription()? ... {
???? return ?description;
}
public ? void ?setDescription(String?description)? ... {
???? this .description? = ?description;
}
public ?String?getName()? ... {
???? return ?name;
}
public ? void ?setName(String?name)? ... {
???? this .name? = ?name;
}
public ? double ?getSize()? ... {
???? return ?size;
}
public ? void ?setSize( double ?size)? ... {
???? this .size? = ?size;
}
}

package ?abstracttest;

public ? class ?Bottle? extends ?Container? ... {
?? private ? double ?diameter;
?? private ? double ?height;
public ? double ?getDiameter()? ... {
???? return ?diameter;
}
public ? void ?setDiameter( double ?diameter)? ... {
???? this .diameter? = ?diameter;
}
public ? double ?getHeight()? ... {
???? return ?height;
}
public ? void ?setHeight( double ?height)? ... {
???? this .height? = ?height;
}
}

package ?abstracttest;

public ? class ?Box? extends ?Container? ... {
???? private ? double ?height;
???? private ? double ?length;
???? private ? double ?width;
???? public ? double ?getHeight()? ... {
???????? return ?height;
????}
???? public ? void ?setHeight( double ?height)? ... {
???????? this .height? = ?height;
????}
???? public ? double ?getLength()? ... {
???????? return ?length;
????}
???? public ? void ?setLength( double ?length)? ... {
???????? this .length? = ?length;
????}
???? public ? double ?getWidth()? ... {
???????? return ?width;
????}
???? public ? void ?setWidth( double ?width)? ... {
???????? this .width? = ?width;
????}
}

<? xml?version="1.0"?encoding="utf-8" ?>
<! DOCTYPE?hibernate-mapping?PUBLIC?"-//Hibernate/Hibernate?Mapping?DTD?3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd" >
<!-- ?
????Mapping?file?autogenerated?by?MyEclipse?-?Hibernate?Tools
-->
< hibernate-mapping? package ="abstracttest" >
???? < class? name ="Container" ?abstract ="true" ?table ="container" >
??????? < id? name ="containerId" >
????????? < generator? class ="uuid.hex" ></ generator >
??????? </ id >
??????? < discriminator? column ="container_type" ></ discriminator >
??????? < property? name ="size" ?column ="size" ></ property >
??????? < property? name ="name" ?column ="name" ></ property >
??????? < property? name ="description" ?column ="description" ></ property >
??????? < subclass? name ="Box" ?discriminator-value ="BOX" >
????????? < property? name ="height" ?column ="height" ></ property >
????????? < property? name ="width" ?column ="width" ></ property >
????????? < property? name ="length" ?column ="length" ></ property >
??????? </ subclass >
??????? < subclass? name ="Bottle" ?discriminator-value ="BOTTLE" >
????????? < property? name ="diameter" ?column ="diameter" ></ property >
????????? < property? name ="height" ?column ="height" ></ property >
??????? </ subclass >
???? </ class >
</ hibernate-mapping >

package ?abstracttest;

import ?org.hibernate.Session;
import ?org.hibernate.SessionFactory;
import ?org.hibernate.Transaction;
import ?org.hibernate.cfg.Configuration;


public ? class ?Test? ... {

???? /**?*/ /**
?????*? @param ?args
????? */
???? public ? static ? void ?main(String[]?args)? ... {
????????Configuration?cfg = new ?Configuration();
????????cfg.configure();
????????SessionFactory?sf = cfg.buildSessionFactory();
????????Session?session = sf.openSession();
????????Transaction?t = session.beginTransaction();
????????Box?box1 = new ?Box();
????????box1.setName( " 木箱子 " );
????????box1.setHeight( 50 );
????????box1.setLength( 50 );
????????box1.setWidth( 50 );
????????box1.setDescription( " 包裝電視機 " );
????????box1.setSize( 12500 );
????????
????????Bottle?bottle1 = new ?Bottle();
????????bottle1.setName( " 玻璃瓶子 " );
????????bottle1.setDescription( " 喝牛奶用 " );
????????bottle1.setSize( 139.12 );
????????bottle1.setDiameter( 6 );
????????bottle1.setHeight( 12 );
????????
????????sessio