程序包 org.hibernate.persister.entity

接口 DiscriminatorMetadata

public interface DiscriminatorMetadata

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

作者:

Steve Ebersole

方法概要

修饰符和类型	方法	说明
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.

方法详细资料

getSqlFragment

String getSqlFragment(String sqlQualificationAlias)

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

参数:

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

返回:

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.

返回:

The resolution type.