org.hibernate.persister.entity
Interface DiscriminatorMetadata

public interface DiscriminatorMetadata

Provides the information needed to properly handle type discrimination in HQL queries, either by 'something.class' or 'type(something)' references.

Author:

Steve Ebersole

Method Summary

Type	getResolutionType() Get the type used to resolve the actual discriminator value resulting from getSqlFragment(java.lang.String) back into a Class reference.
String	getSqlFragment(String sqlQualificationAlias) Get the sql fragment that is used to determine the actual discriminator value for a row.

Method Detail

getSqlFragment

String getSqlFragment(String sqlQualificationAlias)

Get the sql fragment that is used to determine the actual discriminator value for a row.

Parameters:

sqlQualificationAlias - The qualification alias to append to any columns references in the generated fragment.

Returns:

The fragment

getResolutionType

Type getResolutionType()

Get the type used to resolve the actual discriminator value resulting from getSqlFragment(java.lang.String) back into a Class reference.

Returns:

The resolution type.