Module org.eclipse.persistence.core

Package org.eclipse.persistence.internal.jpa.parsing

Class GroupByNode

java.lang.Object

org.eclipse.persistence.internal.jpa.parsing.Node

org.eclipse.persistence.internal.jpa.parsing.MajorNode

org.eclipse.persistence.internal.jpa.parsing.GroupByNode

public class GroupByNode
extends MajorNode

INTERNAL

Purpose: Represent an GROUP BY

Responsibilities:

• Generate the correct expression for an GROUP BY

Field Summary

Fields inherited from class org.eclipse.persistence.internal.jpa.parsing.Node

alias, left, right, shouldGenerateExpression

Constructor Summary

Constructors

Constructor	Description
GroupByNode()	Return a new GroupByNode.

Method Summary

Modifier and Type	Method	Description
void	addGroupingToQuery(ObjectLevelReadQuery theQuery, GenerationContext context)	INTERNAL Add the grouping expressions to the passed query
String	getAsString()	INTERNAL Get the string representation of this node.
List<Node>	getGroupByItems()	INTERNAL Return the GROUP BY statements
boolean	isValidHavingExpr(Node expr)	INTERNAL Returns true if the sp
void	setGroupByItems(List<Node> newItems)	INTERNAL Set the GROUP BY statements
void	validate(ParseTreeContext context, SelectNode selectNode)	INTERNAL Validate the current node.

Methods inherited from class org.eclipse.persistence.internal.jpa.parsing.MajorNode

getContext, setContext

Methods inherited from class org.eclipse.persistence.internal.jpa.parsing.Node

addToExpression, appendExpression, applyToQuery, generateExpression, getAlias, getColumn, getLeft, getLine, getRight, getType, hasLeft, hasRight, isAggregateNode, isAliasableNode, isAttributeNode, isConstructorNode, isCountNode, isDivideNode, isDotNode, isEscape, isLiteralNode, isMapKeyNode, isMinusNode, isMultiplyNode, isNotNode, isParameterNode, isPlusNode, isSubqueryNode, isVariableNode, qualifyAttributeAccess, resolveAttribute, resolveClass, resolveClass, resolveMapping, resolveMapping, setAlias, setColumn, setLeft, setLine, setRight, setType, toString, toString, toStringDisplayName, toStringIndent, validate, validateParameter

Methods inherited from class java.lang.Object

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

Constructor Details

GroupByNode

public GroupByNode()

Return a new GroupByNode.

Method Details

validate

public void validate(ParseTreeContext context,
 SelectNode selectNode)

INTERNAL Validate the current node.

addGroupingToQuery

public void addGroupingToQuery(ObjectLevelReadQuery theQuery,
 GenerationContext context)

INTERNAL Add the grouping expressions to the passed query

isValidHavingExpr

public boolean isValidHavingExpr(Node expr)

INTERNAL Returns true if the sp

getGroupByItems

public List<Node> getGroupByItems()

INTERNAL Return the GROUP BY statements

setGroupByItems

public void setGroupByItems(List<Node> newItems)

INTERNAL Set the GROUP BY statements

getAsString

public String getAsString()

INTERNAL Get the string representation of this node.

Overrides:

getAsString in class Node