[jboss-jira] [JBoss JIRA] Created: (HIBERNATE-117) Part of Composite-Id is foreign Key:How specify in Mapping?

[Sandeep Vaid (JIRA)]

Part of Composite-Id is foreign Key:How specify in Mapping?
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                 Key: HIBERNATE-117
                 URL: https://jira.jboss.org/jira/browse/HIBERNATE-117
             Project: Hibernate
          Issue Type: Feature Request
            Reporter: Sandeep Vaid
            Assignee: Steve Ebersole


 I have 2 classes viz. Product and ProductBasic having one-to-one relationship
  
  class Product{
   String productId;
   ProductBasic productBasic;
   }
   
   class ProductBasic{
    String productId;
    String useCode;
    TimeStamp startTime;
   
    Product product;
   }
   
   Product is mapped to a table PRODUCT which has PRODUCTID as PK.
   ProductBasic is mapped to a table PRODUCTBASIC which has PRODUCTID,USECODE and STARTTTIME as composite key. 
   Also PRODUCTID (of PRODUCTBASIC table) is the foreign key referencing PRODUCT table...
   
  How can i define my one-to-one mapping considering ProductBasic.productId should get its value from Product.productId ?
  
  
  <composite-id>
    <key-property name="productId" column="PRODUCTID" type="string" length="10" />
    <key-property name="useCode" column="USECODE" type="string" length="10" />
    <key-property name="startTime" column="STARTTIME" />
  <composite-id>
  
  In this only productId is the foreign key..
  
  I am aware that i can use a <generator> tag (with class="foreign") inside <composite-id> but i guess it will generate the
  value for entire composite-id and not just a field of it.

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