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.

Method Summary

Modifier and Type	Method and Description
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.