像ibatis一样集中管理hql

hibernate.cfg.xml

<mapping resource="org/jbpm/db/hibernate.queries.hbm.xml" />

 

hibernate.queries.hbm.xml

<?xml version="1.0"?>

<!DOCTYPE hibernate-mapping PUBLIC
      "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
      "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<hibernate-mapping>

  <query name="GraphSession.findLatestProcessDefinitionQuery">
    <![CDATA[
     select pd
     from org.jbpm.graph.def.ProcessDefinition as pd
     where pd.name = :name
     order by pd.version desc   
    ]]>
  </query>

</hibernate-mapping>

 

GraphSession.java

public static findLatestProcessDefinition(String name){

      Query query = session.getNamedQuery("GraphSession.findLatestProcessDefinitionQuery");
      query.setString("name", name);
      query.setMaxResults(1);
      processDefinition = (ProcessDefinition) query.uniqueResult();

}