Module org.eclipse.persistence.core

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

Class SubqueryNode

java.lang.Object

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

org.eclipse.persistence.internal.jpa.parsing.SubqueryNode

public class SubqueryNode
extends Node

INTERNAL

Purpose: Represent a subquery.

Field Summary

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

alias, left, right, shouldGenerateExpression

Constructor Summary

Constructors

Constructor	Description
SubqueryNode()	Return a new SubqueryNode.

Method Summary

Modifier and Type	Method	Description
Expression	generateExpression(GenerationContext context)	INTERNAL Generate the EclipseLink expression for this node
JPQLParseTree	getParseTree()
ReportQuery	getReportQuery(GenerationContext context)
boolean	isSubqueryNode()	INTERNAL Is this node a SubqueryNode
Node	qualifyAttributeAccess(ParseTreeContext context)	INTERNAL If called the subquery is part of the WHERE clause of an UPDATE or DELETE statement that does not define an identification variable.
void	setParseTree(JPQLParseTree parseTree)
void	validate(ParseTreeContext context)	INTERNAL Validate node and calculate its type.

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

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

Methods inherited from class java.lang.Object

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

Constructor Details

SubqueryNode

public SubqueryNode()

Return a new SubqueryNode.

Method Details

getReportQuery

public ReportQuery getReportQuery(GenerationContext context)

qualifyAttributeAccess

public Node qualifyAttributeAccess(ParseTreeContext context)

INTERNAL If called the subquery is part of the WHERE clause of an UPDATE or DELETE statement that does not define an identification variable. The method checks the clauses of the subquery for unqualified fields accesses.

Overrides:

qualifyAttributeAccess in class Node

validate

public void validate(ParseTreeContext context)

INTERNAL Validate node and calculate its type.

Overrides:

validate in class Node

generateExpression

public Expression generateExpression(GenerationContext context)

INTERNAL Generate the EclipseLink expression for this node

Overrides:

generateExpression in class Node

isSubqueryNode

public boolean isSubqueryNode()

INTERNAL Is this node a SubqueryNode

Overrides:

isSubqueryNode in class Node

setParseTree

public void setParseTree(JPQLParseTree parseTree)

getParseTree

public JPQLParseTree getParseTree()