EclipseLink JPA 4.0.2 · org.eclipse.persistence.internal.jpa.querydef.SelectionImpl

Modifier and Type	Field and Description
protected String	alias
protected Expression	currentNode
protected Class<X>	javaType

Access	Constructor and Description
public <T>	SelectionImpl(Class<X> javaType, Expression expressionNode)

Method Summary

Modifier and Type	Method and Description
public Selection<X>	alias(String alias name) Implements jakarta.persistence.criteria.Selection.alias. Assign an alias to the selection.
public String	getAlias() Implements jakarta.persistence.TupleElement.getAlias. Return the alias assigned to the tuple element or null, if no alias has been assigned.
public List<Selection<?>>	Returns: list of selection items getCompoundSelectionItems() Implements jakarta.persistence.criteria.Selection.getCompoundSelectionItems. Return selection items composing a compound selection
public Expression	Returns: the currentNode getCurrentNode() Implements org.eclipse.persistence.internal.jpa.querydef.InternalSelection.getCurrentNode. Returns the current EclipseLink expression at this node in the criteria expression tree
public Class<? extends X>	getJavaType() Implements jakarta.persistence.TupleElement.getJavaType. Return the Java type of the tuple element.
public boolean	Returns: boolean isCompoundSelection() Implements jakarta.persistence.criteria.Selection.isCompoundSelection. Whether the selection item is a compound selection
public boolean	isConstructor() Implements org.eclipse.persistence.internal.jpa.querydef.InternalSelection.isConstructor.
public boolean	isFrom() Implements org.eclipse.persistence.internal.jpa.querydef.InternalSelection.isFrom.
public boolean	isRoot() Implements org.eclipse.persistence.internal.jpa.querydef.InternalSelection.isRoot.
public void	setJavaType(Class<X> javaType)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

alias	back to summary
protected String alias

currentNode	back to summary
protected Expression currentNode

javaType	back to summary
protected Class<X> javaType

SelectionImpl	back to summary
public <T> SelectionImpl(Class<X> javaType, Expression expressionNode)

Method Detail

alias	back to summary
public Selection<X> alias(String name) Implements jakarta.persistence.criteria.Selection.alias. Assign an alias to the selection. Parameters name:String alias Returns:Selection<X> Doc from jakarta.persistence.criteria.Selection.alias. selection item Annotations @Override

alias

back to summary

public Selection<X> alias(String name)

Implements jakarta.persistence.criteria.Selection.alias.

Assign an alias to the selection.

Parameters

name:String: alias

Returns:Selection<X>

Doc from jakarta.persistence.criteria.Selection.alias.

selection item

Annotations

@Override

getAlias	back to summary
public String getAlias() Implements jakarta.persistence.TupleElement.getAlias. Doc from jakarta.persistence.TupleElement.getAlias. Return the alias assigned to the tuple element or null, if no alias has been assigned. Returns:String alias Annotations @Override

getAlias

back to summary

public String getAlias()

Implements jakarta.persistence.TupleElement.getAlias.

Doc from jakarta.persistence.TupleElement.getAlias.

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

Returns:String

alias

Annotations

@Override

getCompoundSelectionItems	back to summary
public List<Selection<?>> getCompoundSelectionItems() Implements jakarta.persistence.criteria.Selection.getCompoundSelectionItems. Return selection items composing a compound selection Returns:List<Selection<?>> list of selection items Annotations @Override Exceptions IllegalStateException: if selection is not a compound selection

getCompoundSelectionItems

back to summary

public List<Selection<?>> getCompoundSelectionItems()

Implements jakarta.persistence.criteria.Selection.getCompoundSelectionItems.

Return selection items composing a compound selection

Returns:List<Selection<?>>

list of selection items

Annotations

@Override

Exceptions

IllegalStateException:: if selection is not a compound selection

getCurrentNode	back to summary
public Expression getCurrentNode() Implements org.eclipse.persistence.internal.jpa.querydef.InternalSelection.getCurrentNode. Returns the current EclipseLink expression at this node in the criteria expression tree Returns:Expression the currentNode Annotations @Override

getCurrentNode

back to summary

public Expression getCurrentNode()

Implements org.eclipse.persistence.internal.jpa.querydef.InternalSelection.getCurrentNode.

Returns the current EclipseLink expression at this node in the criteria expression tree

Returns:Expression

the currentNode

Annotations

@Override

getJavaType	back to summary
public Class<? extends X> getJavaType() Implements jakarta.persistence.TupleElement.getJavaType. Doc from jakarta.persistence.TupleElement.getJavaType. Return the Java type of the tuple element. Returns:Class<? extends X> the Java type of the tuple element Annotations @Override

getJavaType

back to summary

public Class<? extends X> getJavaType()

Implements jakarta.persistence.TupleElement.getJavaType.

Doc from jakarta.persistence.TupleElement.getJavaType.

Return the Java type of the tuple element.

Returns:Class<? extends X>

the Java type of the tuple element

Annotations

@Override

isCompoundSelection	back to summary
public boolean isCompoundSelection() Implements jakarta.persistence.criteria.Selection.isCompoundSelection. Whether the selection item is a compound selection Returns:boolean boolean Annotations @Override

isCompoundSelection

back to summary

public boolean isCompoundSelection()

Implements jakarta.persistence.criteria.Selection.isCompoundSelection.

Whether the selection item is a compound selection

Returns:boolean

boolean

Annotations