[hibernate-issues] [Hibernate-JIRA] Created: (HHH-3013) value not necessary is mappingClass but should return ClassType, getTypedValue(Criteria subcriteria, String propertyName, Object value)
value not necessary is mappingClass but should return ClassType, getTypedValue(Criteria
subcriteria, String propertyName, Object value)
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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 );
}
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