Added bidi List example, Minor

git-svn-id: https://svn.jboss.org/repos/hibernate/trunk/Hibernate3/doc@8112 1b8cb986-b30d-0410-93ca-fae66ebed9b2
This commit is contained in:
JongDae Kim 2005-09-07 11:22:49 +00:00
parent 2e6498cd89
commit a5a0bdb2ec
1 changed files with 33 additions and 5 deletions

View File

@ -292,7 +292,7 @@ create table Address ( addressId bigint not null primary key )
<sect1 id="assoc-bidirectional" revision="1"> <sect1 id="assoc-bidirectional" revision="1">
<title>양방향 연관들</title> <title>양방향 연관들</title>
<sect2 id="assoc-bidirectional-m21"> <sect2 id="assoc-bidirectional-m21" revision="1">
<title>one to many / many to one</title> <title>one to many / many to one</title>
<para> <para>
@ -323,6 +323,34 @@ create table Person ( personId bigint not null primary key,
addressId bigint not null ) addressId bigint not null )
create table Address ( addressId bigint not null primary key ) create table Address ( addressId bigint not null primary key )
]]></programlisting> ]]></programlisting>
<para>
만일 당신이 <literal>List</literal>(또는 다른 인덱싱 된 콜렉션)을 사용할 경우 당신은 foreign key의
<literal>key</literal> 컬럼을 <literal>not null</literal>로 설정하고, Hibernate로 하여금
각각의 요소의 인덱스를 유지관리하기 위해 (<literal>update="false"</literal>
<literal>insert="false"</literal>를 설정함으로써 다른 측을 가상적으로 inverse로 만들어)
그 콜렉션들 측으로부터 연관을 관리하도록 할 필요가 있다:
</para>
<programlisting><![CDATA[<class name="Person">
<id name="id"/>
...
<many-to-one name="address"
column="addressId"
not-null="true"
insert="false"
update="false"/>
</class>
<class name="Address">
<id name="id"/>
...
<list name="people">
<key column="addressId" not-null="true"/>
<list-index column="peopleIdx"/>
<one-to-many class="Person"/>
</list>
</class>]]></programlisting>
</sect2> </sect2>
@ -477,7 +505,7 @@ create table Address ( addressId bigint not null primary key )
</sect2> </sect2>
<sect2 id="assoc-bidirectional-join-m2m"> <sect2 id="assoc-bidirectional-join-m2m" revision="1">
<title>many to many</title> <title>many to many</title>
<para> <para>
@ -488,7 +516,7 @@ create table Address ( addressId bigint not null primary key )
<id name="id" column="personId"> <id name="id" column="personId">
<generator class="native"/> <generator class="native"/>
</id> </id>
<set name="addresses"> <set name="addresses" table="PersonAddress">
<key column="personId"/> <key column="personId"/>
<many-to-many column="addressId" <many-to-many column="addressId"
class="Address"/> class="Address"/>
@ -499,7 +527,7 @@ create table Address ( addressId bigint not null primary key )
<id name="id" column="addressId"> <id name="id" column="addressId">
<generator class="native"/> <generator class="native"/>
</id> </id>
<set name="people" inverse="true"> <set name="people" inverse="true" table="PersonAddress">
<key column="addressId"/> <key column="addressId"/>
<many-to-many column="personId" <many-to-many column="personId"
class="Person"/> class="Person"/>
@ -518,7 +546,7 @@ create table Address ( addressId bigint not null primary key )
</sect1> </sect1>
<sect1> <sect1 id="assoc-complex">
<title>보다 복잡한 연관 매핑들</title> <title>보다 복잡한 연관 매핑들</title>
<para> <para>