SubqueryNode (EclipseLink Core 3.0.4-RC1 API)

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

All Methods Instance Methods Concrete Methods
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 Detail
  - SubqueryNode
```
public SubqueryNode()
```
    Return a new SubqueryNode.
- Method Detail
  - 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()
```