Package org.hibernate.query.sqm.tree.select

Class SqmSelectClause

java.lang.Object

org.hibernate.query.sqm.tree.AbstractSqmNode

org.hibernate.query.sqm.tree.select.SqmSelectClause

All Implemented Interfaces:

Selection<Object>, TupleElement<Object>, Serializable, JpaCriteriaNode, JpaSelection<Object>, JpaTupleElement<Object>, SqmAliasedExpressionContainer<SqmSelection<?>>, SqmNode

public class SqmSelectClause
extends AbstractSqmNode
implements SqmAliasedExpressionContainer<SqmSelection<?>>, JpaSelection<Object>

The semantic select clause. Defined as a list of individual selections.

Author:

Steve Ebersole

See Also:

• Serialized Form

Field Summary

Fields inherited from interface org.hibernate.query.sqm.tree.SqmNode

log

Constructor Summary

Constructors

Constructor	Description
SqmSelectClause(boolean distinct, int expectedNumberOfSelections, NodeBuilder nodeBuilder)
SqmSelectClause(boolean distinct, NodeBuilder nodeBuilder)

Method Summary

Modifier and Type	Method	Description
SqmSelection<?>	add(SqmExpression<?> expression, String alias)
void	add(SqmSelection<?> aliasExpression)
void	addSelection(SqmSelection<?> selection)
JpaSelection<Object>	alias(String name)	Assigns an alias to the selection item.
SqmSelectClause	copy(SqmCopyContext context)
String	getAlias()	Return the alias assigned to the tuple element or null, if no alias has been assigned.
JavaType<Object>	getJavaTypeDescriptor()
List<SqmSelectableNode<?>>	getSelectionItems()
List<SqmSelection<?>>	getSelections()
boolean	isCompoundSelection()	Whether the selection item is a compound selection.
boolean	isDistinct()
void	makeDistinct(boolean distinct)
JpaSelection<?>	resolveJpaSelection()
void	setSelection(SqmSelectableNode<?> selectableNode)
void	setSelection(SqmSelection<?> sqmSelection)

Methods inherited from class org.hibernate.query.sqm.tree.AbstractSqmNode

nodeBuilder

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.hibernate.query.criteria.JpaSelection

getCompoundSelectionItems

Methods inherited from interface org.hibernate.query.criteria.JpaTupleElement

getJavaType, getJavaTypeName, isEnum

Methods inherited from interface org.hibernate.query.sqm.tree.SqmNode

asLoggableText

Constructor Details

SqmSelectClause

public SqmSelectClause(boolean distinct,
 NodeBuilder nodeBuilder)

SqmSelectClause

public SqmSelectClause(boolean distinct,
 int expectedNumberOfSelections,
 NodeBuilder nodeBuilder)

Method Details

copy

public SqmSelectClause copy(SqmCopyContext context)

Specified by:

copy in interface SqmNode

isDistinct

public boolean isDistinct()

makeDistinct

public void makeDistinct(boolean distinct)

getSelections

public List<SqmSelection<?>> getSelections()

addSelection

public void addSelection(SqmSelection<?> selection)

add

public SqmSelection<?> add(SqmExpression<?> expression,
 String alias)

Specified by:

add in interface SqmAliasedExpressionContainer<SqmSelection<?>>

add

public void add(SqmSelection<?> aliasExpression)

Specified by:

add in interface SqmAliasedExpressionContainer<SqmSelection<?>>

setSelection

public void setSelection(SqmSelection<?> sqmSelection)

setSelection

public void setSelection(SqmSelectableNode<?> selectableNode)

resolveJpaSelection

public JpaSelection<?> resolveJpaSelection()

getSelectionItems

public List<SqmSelectableNode<?>> getSelectionItems()

Specified by:

getSelectionItems in interface JpaSelection<Object>

alias

public JpaSelection<Object> alias(String name)

Description copied from interface: Selection

Assigns an alias to the selection item. Once assigned, an alias cannot be changed or reassigned. Returns the same selection item.

Specified by:

alias in interface JpaSelection<Object>

Specified by:

alias in interface Selection<Object>

Parameters:

name - alias

Returns:

selection item

isCompoundSelection

public boolean isCompoundSelection()

Description copied from interface: Selection

Whether the selection item is a compound selection.

Specified by:

isCompoundSelection in interface Selection<Object>

Returns:

boolean indicating whether the selection is a compound selection

getJavaTypeDescriptor

public JavaType<Object> getJavaTypeDescriptor()

Specified by:

getJavaTypeDescriptor in interface JpaTupleElement<Object>

getAlias

public String getAlias()

Description copied from interface: TupleElement

Return the alias assigned to the tuple element or null, if no alias has been assigned.

Specified by:

getAlias in interface TupleElement<Object>

Returns:

alias