value not necessary is mappingClass but should return ClassType, getTypedValue(Criteria subcriteria, String propertyName, Object value) --------------------------------------------------------------------------------------------------------------------------------------- Key: HHH-3013 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-3013 Project: Hibernate3 Issue Type: Bug Environment: 3.2.5, mysql Reporter: kinfei Priority: Critical Criteria criteria = this.createCriteria( Entity.class ).add( Restrictions.eq( "entityClass", Entity.class ) ); --> throw QueryException( "Unsupported discriminator type " + type ) public Entity { private Class entityClass; public void setEntityClass( Class entityClass ) { ..... } <class name="Entity" table="tbl_entity"> <id name="id" column="ENTITY_ID" type="java.lang.Long" unsaved-value="-1" > <generator class="increment" /> </id> <property name="entityClass" column="ENTITY_CLASS" type="java.lang.Class" length="50" not-null="true" /> /** * Get the a typed value for the given property value. */ public TypedValue getTypedValue(Criteria subcriteria, String propertyName, Object value) throws HibernateException { // Detect discriminator values... if ( value instanceof Class ) { Class entityClass = ( Class ) value; Queryable q = SessionFactoryHelper.findQueryableUsingImports( sessionFactory, entityClass.getName() ); //=====>return mapping class if ( q != null ) { Type type = q.getDiscriminatorType(); String stringValue = q.getDiscriminatorSQLValue(); // Convert the string value into the proper type. if ( type instanceof NullableType ) { NullableType nullableType = ( NullableType ) type; value = nullableType.fromStringValue( stringValue ); } else { throw new QueryException( "Unsupported discriminator type " + type ); } -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://opensource.atlassian.com/projects/hibernate/secure/Administrators.... - For more information on JIRA, see: http://www.atlassian.com/software/jira