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Hibernate Map映射的composite-index案例

系統(tǒng) 1691 0
?數(shù)據(jù)庫結構
CREATE ? TABLE ?`team3`?(
??`id`?
varchar ( 50 )? NOT ? NULL ,
??`name`?
varchar ( 50 )? default ? NULL ,
??
PRIMARY ? KEY ??(`id`)
)?ENGINE
= InnoDB? DEFAULT ?CHARSET = gb2312;

CREATE ? TABLE ?`member3`?(
??`id`?
varchar ( 50 )? NOT ? NULL ,
??`name`?
varchar ( 50 )? default ? NULL ,
??`age`?
varchar ( 50 )? default ? NULL ,
??`role`?
varchar ( 50 )? default ? NULL ,
??`scene`?
varchar ( 50 )? default ? NULL ,
??`team`?
varchar ( 50 )? default ? NULL ,
??`bestChoice`?
varchar ( 50 )? default ? NULL ,
??
PRIMARY ? KEY ??(`id`)
)?ENGINE
= InnoDB? DEFAULT ?CHARSET = gb2312;


實體類:

?

package ?mapcompoistindex;

import ?java.util.HashMap;
import ?java.util.Map;

public ? class ?Team? ... {
???
private ?String?id;
???
private ?String?name;
???
private ?Map?members = new ?HashMap();
public ?String?getId()? ... {
????
return ?id;
}

public ? void ?setId(String?id)? ... {
????
this .id? = ?id;
}



public ?Map?getMembers()? ... {
????
return ?members;
}

public ? void ?setMembers(Map?members)? ... {
????
this .members? = ?members;
}

public ?String?getName()? ... {
????
return ?name;
}

public ? void ?setName(String?name)? ... {
????
this .name? = ?name;
}

}



package ?mapcompoistindex;

import ?java.util.HashMap;
import ?java.util.Map;
import ?java.util.Set;

public ? class ?Member? ... {
???
private ?String?id;
???
private ?String?name;
???
private ?Position?postition;
???
private ?Team?team;
???
private ?String?age;
public ?String?getAge()? ... {
????
return ?age;
}

public ? void ?setAge(String?age)? ... {
????
this .age? = ?age;
}


public ?String?getName()? ... {
????
return ?name;
}

public ? void ?setName(String?name)? ... {
????
this .name? = ?name;
}



public ?Position?getPostition()? ... {
????
return ?postition;
}

public ? void ?setPostition(Position?postition)? ... {
????
this .postition? = ?postition;
}

public ?String?getId()? ... {
????
return ?id;
}

public ? void ?setId(String?id)? ... {
????
this .id? = ?id;
}

public ?Team?getTeam()? ... {
????
return ?team;
}

public ? void ?setTeam(Team?team)? ... {
????
this .team? = ?team;
}





}


package ?mapcompoistindex;

public ? class ?Position? ... {
??
private ?String?role;
??
private ?String?scene;
??
private ?Member?bestChoice;
public ?Member?getBestChoice()? ... {
????
return ?bestChoice;
}

public ? void ?setBestChoice(Member?bestChoice)? ... {
????
this .bestChoice? = ?bestChoice;
}

public ?String?getRole()? ... {
????
return ?role;
}

public ? void ?setRole(String?role)? ... {
????
this .role? = ?role;
}

public ?String?getScene()? ... {
????
return ?scene;
}

public ? void ?setScene(String?scene)? ... {
????
this .scene? = ?scene;
}

}


映射文件:
<? 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 ="mapcompoistindex" >
????
< class? name ="Team" ?table ="team3" >
???????
< id? name ="id" ?column ="id" >
?????????
< generator? class ="uuid.hex" ></ generator >
???????
</ id >
???????
< property? name ="name" ?column ="name" />
???????
< map? name ="members" ?inverse ="false" ?cascade ="save-update" >
??????????
< key? column ="team" />
???????????
< composite-index? class ="Position" >
?????????????
< key-property? name ="role" ></ key-property >
?????????????
< key-property? name ="scene" ></ key-property >
?????????????
< key-many-to-one? name ="bestChoice" ?class ="Member" ></ key-many-to-one >
???????????
</ composite-index >
???????????
< one-to-many? class ="Member" />
???????
</ map >
????
</ class >
</ hibernate-mapping >


<? xml?version="1.0"?encoding="utf-8" ?>

Hibernate Map映射的composite-index案例


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