Package org.hibernate.sql.results.internal

Class RowTransformerSingularReturnImpl<R>

java.lang.Object

org.hibernate.sql.results.internal.RowTransformerSingularReturnImpl<R>

All Implemented Interfaces:

RowTransformer<R>

public class RowTransformerSingularReturnImpl<R>
extends Object
implements RowTransformer<R>

Returns the first object in each row.

Should only be used when the query has exactly one item in its selection list.

Author:

Steve Ebersole

Field Summary

Fields

Modifier and Type	Field	Description
static final RowTransformerSingularReturnImpl	INSTANCE	Singleton access

Constructor Summary

Constructors

Constructor	Description
RowTransformerSingularReturnImpl()

Method Summary

Modifier and Type	Method	Description
int	determineNumberOfResultElements(int rawElementCount)	How many result elements will this transformation produce?
static <R> RowTransformer<R>	instance()
R	transformRow(Object[] row)	Transform the "raw" row values into the ultimate query result (for a row)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

INSTANCE

public static final RowTransformerSingularReturnImpl INSTANCE

Singleton access

Constructor Details

RowTransformerSingularReturnImpl

public RowTransformerSingularReturnImpl()

Method Details

instance

public static <R> RowTransformer<R> instance()

transformRow

public R transformRow(Object[] row)

Description copied from interface: RowTransformer

Transform the "raw" row values into the ultimate query result (for a row)

Specified by:

transformRow in interface RowTransformer<R>

determineNumberOfResultElements

public int determineNumberOfResultElements(int rawElementCount)

Description copied from interface: RowTransformer

How many result elements will this transformation produce?

Specified by:

determineNumberOfResultElements in interface RowTransformer<R>