休眠本机查询映射

Question

I am trying to make a native named query.I saw the link

result-set-mapping-complex-mappings

<sql-result-set-mapping name="BookAuthorMappingXml">
   <entity-result entity-class="org.thoughts.on.java.jpa.model.Author">
    <field-result name="id" column="authorId"/>
    <field-result name="firstName" column="firstName"/>
    <field-result name="lastName" column="lastName"/>
    <field-result name="version" column="authorVersion"/>
</entity-result>

   <entity-result entity-class="org.thoughts.on.java.jpa.model.Book">
       <field-result name="id" column="id"/>
       <field-result name="title" column="title"/>
       <field-result name="author" column="author_id"/>
       <field-result name="version" column="version"/>
   </entity-result>
</sql-result-set-mapping>

the number of columns i have is more than 20.Is there is way to map all columns in one go

I am using hibernate 4.2

Answer 1

What you need is an hibernate mapping auto generation. You can follow the blog from mkyong

https://www.mkyong.com/hibernate/how-to-generate-code-with-hibernate-tools/