程序包 org.hibernate.hql.internal.ast.tree

接口 AggregatedSelectExpression

所有超级接口:

SelectExpression

所有已知实现类:

ConstructorNode, MapEntryNode

public interface AggregatedSelectExpression
extends SelectExpression

Contract for a select expression which aggregates other select expressions together into a single return

作者:

Steve Ebersole

方法概要

修饰符和类型	方法	说明
String[]	getAggregatedAliases()	Retrieve the aliases for the columns aggregated here.
List	getAggregatedSelectionTypeList()	Retrieves a list of the selection types being aggregated
Class	getAggregationResultType()	Obtain the java type of the aggregation
ResultTransformer	getResultTransformer()	Retrieve the ResultTransformer responsible for building aggregated select expression results into their aggregated form.

从接口继承的方法 org.hibernate.hql.internal.ast.tree.SelectExpression

getAlias, getDataType, getFromElement, getScalarColumnIndex, isConstructor, isReturnableEntity, isScalar, setAlias, setScalarColumn, setScalarColumnText, setText

方法详细资料

getAggregatedSelectionTypeList

List getAggregatedSelectionTypeList()

Retrieves a list of the selection types being aggregated

返回:

The list of types.

getAggregatedAliases

String[] getAggregatedAliases()

Retrieve the aliases for the columns aggregated here.

返回:

The column aliases.

getResultTransformer

ResultTransformer getResultTransformer()

Retrieve the ResultTransformer responsible for building aggregated select expression results into their aggregated form.

返回:

The appropriate transformer

getAggregationResultType

Class getAggregationResultType()

Obtain the java type of the aggregation

返回:

The java type.