Re: Using query hints for mapping extensions in orm.xml

[Albert Lee]

Somehow the one of the attachment (openjpa_orm_1_0.xsd) from my previous
note did not make it to this forum.

Try again here.
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<?xml version="1.0" encoding="UTF-8"?>
<!--
   OpenJPA specific orm.xml schema locates in: (E.g.)

http://incubator.apache.org/openjpa/xml/ns/persistence/openjpa_orm_1_0.xsd";

   This schema extends http://java.sun.com/xml/ns/persistence/orm_1_0.xsdwith
       OpenJPA specific stanza and uses the same name space as
           "http://java.sun.com/xml/ns/persistence/orm";
-->
<xsd:schema
                version="1.0"
              xmlns:xsd="http://www.w3.org/2001/XMLSchema";
        targetNamespace="http://java.sun.com/xml/ns/persistence/orm";
              xmlns:orm="http://java.sun.com/xml/ns/persistence/orm";
     elementFormDefault="qualified"
   attributeFormDefault="unqualified"
 >

 <xsd:annotation>
   <xsd:documentation>
     @(#)openjpa_orm_1_0.xsd 1.0  Jan 22 2007
   </xsd:documentation>
 </xsd:annotation>
 <xsd:annotation>
    <xsd:documentation><![CDATA[

      This is the XML Schema for extending the persistence
object-relational
      mapping file for OpenJPA specific features.

      The file may be named "META-INF/orm.xml" in the persistence
      archive or it may be named some other name which would be
      used to locate the file as resource on the classpath.

    ]]></xsd:documentation>
 </xsd:annotation>

 <!-- Redefine the orm_1_0.xsd with additional OpenJPA extensions -->
 <xsd:redefine schemaLocation="
http://java.sun.com/xml/ns/persistence/orm_1_0.xsd";>

   <!--
       Append optional single <data-cache> element to <entity>.
         Valid values are "true" | "false" | "1" | "0".
         Default value is "false".
   -->
   <xsd:complexType name="entity">
     <xsd:complexContent>
       <xsd:extension base="orm:entity">
         <xsd:sequence>
           <xsd:element name="data-cache" type="xsd:boolean" minOccurs="0"
maxOccurs="1" default="false"/>
         </xsd:sequence>
       </xsd:extension>
     </xsd:complexContent>
   </xsd:complexType>


   <!--
       Append optional single <jdbc-nonpolymorphic> element to
<one-to-many>.
         Valid values are "true" | "false" | "1" | "0".
         Default value is "false".

       Append optional single <jdbc-eager-fetch-mode> element to
<one-to-many>.
         Valid values are "parallel" | "others".
         Default value is "parallel".
   -->
   <xsd:complexType name="one-to-many">
     <xsd:complexContent>
       <xsd:extension base="orm:one-to-many">
         <xsd:sequence>

           <xsd:element name="jdbc-nonpolymorphic" type="xsd:boolean"
minOccurs="0" maxOccurs="1" default="false"/>

           <xsd:element name="jdbc-eager-fetch-mode" minOccurs="0"
maxOccurs="1" default="parallel">
             <xsd:simpleType>
               <xsd:restriction base="xsd:string">
                 <xsd:enumeration value="parallel"/>
                 <xsd:enumeration value="others"/>
               </xsd:restriction>
             </xsd:simpleType>
           </xsd:element>

         </xsd:sequence>
       </xsd:extension>
     </xsd:complexContent>
   </xsd:complexType>

 </xsd:redefine>

</xsd:schema>


Albert Lee