Hi,
I've a kind of problem with the relationships between 2 tables.
I would appreciate if someone let me know how to resolve this relationship trap.
Following are the 2 tables called TOKEN which is having token properties and TOKEN_USER which is actually a relationship kind of table with the user.
But USER doesn't represent any separate entity/table. Its a varchar2 field in the TOKEN_USER table and the relations to be mapped are,
1. 'A UserName can be assigned to any number of tokens'.
2. 'A Token can be assigned to any number of UserNames'.
Code:
CREATE TABLE CS_TOKEN (
CS_TOKEN_ID NUMBER(10 , 0) NOT NULL,
CS_APPLICATION_ID NUMBER(10 , 0) NOT NULL,
NAME VARCHAR2(30) NOT NULL,
);
CREATE TABLE CS_TOKEN_USER (
CS_TOKEN_ID NUMBER(10 , 0) NOT NULL,
USERNAME VARCHAR2(30) NOT NULL
);
I've created two java objects, Token.java represents TOKEN entity and the other is User.java represents TOKEN_USER table. I've created User.java having properties like username, (email, network_id,etc., fields will be populated later from the peoplesoft table view-- ignore these fields as this may confuse ). Only UserName property of User.java has to be mapped with TOKEN_USER table's userName column.
Below is the mapping file for Token table.
Code:
<hibernate-mapping><class name="com.cvc.authenticateUser.cssecurity.hibernate.CsToken" table="CS_TOKEN">
<id name="csTokenId" column="CS_TOKEN_ID">
<generator class="increment"/>
</id>
<many-to-one name="csApplication" column="CS_APPLICATION_ID"/>
<property name="name" column="NAME"/>
<bag name="csUsers" lazy="true" table="cs_token_user" order-by="USER_ID asc">
<key column="CS_TOKEN_ID" />
<composite-element class="com.cvc.authenticateUser.cssecurity.hibernate.CsUser">
<property name="userId" column="USER_ID" not-null="true" />
</composite-element>
</bag>
</class>
</hibernate-mapping>
With the use of <composite-element>, I'm able to get List of users who is assigned to a tokenId.
But I need to fetch all the tokens, who is assigned to a UserName. What kind of relation I can map in this scenario?.
I'm really confused as I don't have a separate USER entity/table which can be possibly mapped with User.java.
Please let me know, do I need to create separate mapping file for TOKEN_USER table and what are the possible relationships can be mapped in this situation.
Sorry for the bit lengthy post.
Thanks in advance,
Velu
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